From: cpg Date: Tue, 10 Nov 2009 21:53:55 +0000 (+0000) Subject: add Atari TGI drivers from Fatih Aygun X-Git-Tag: V2.13.1~73 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=b18d6ad8dbeac027f04ef7e8f8e204d1c280bf6b;p=cc65 add Atari TGI drivers from Fatih Aygun git-svn-id: svn://svn.cc65.org/cc65/trunk@4456 b7a2c559-68d2-44c3-8de9-860c34a00d81 --- diff --git a/asminc/tgi-error.inc b/asminc/tgi-error.inc index 6daaeab49..99eb6ee4a 100644 --- a/asminc/tgi-error.inc +++ b/asminc/tgi-error.inc @@ -44,6 +44,12 @@ TGI_ERR_INV_FUNC ; Function not supported TGI_ERR_INV_FONT ; Font file is invalid + ; Atari specific error codes + + TGI_ERR_NO_IOCB ; No free IOCB to open the screen device + TGI_ERR_NO_MEM ; Not enough memory + TGI_ERR_UNKNOWN ; Unknown error + TGI_ERR_COUNT ; Special: Number of error messages .endenum diff --git a/asminc/tgi-mode.inc b/asminc/tgi-mode.inc index ac01b4acb..c7c0fb709 100644 --- a/asminc/tgi-mode.inc +++ b/asminc/tgi-mode.inc @@ -42,6 +42,22 @@ TGI_MODE_640_480_2 ; 640x480, 2 colors (b/w) TGI_MODE_280_192_8 ; 280x192, 8 colors TGI_MODE_40_48_16 ; 40x48, 16 colors + + TGI_MODE_320_192_2 + TGI_MODE_160_192_4 + TGI_MODE_160_192_2 + TGI_MODE_160_96_4 + TGI_MODE_160_96_2 + TGI_MODE_80_48_4 + TGI_MODE_80_48_2 + TGI_MODE_40_24_4 + TGI_MODE_80_192_16b + TGI_MODE_80_192_9 + TGI_MODE_80_192_16h + TGI_MODE_320_192_2_2p + TGI_MODE_80_192_16b_2p + TGI_MODE_160_192_4_2p + TGI_MODE_80_192_9_2p .endenum diff --git a/libsrc/Makefile b/libsrc/Makefile index 2ba17bf09..e21d85d77 100644 --- a/libsrc/Makefile +++ b/libsrc/Makefile @@ -15,18 +15,18 @@ LD = ../../src/ld65/ld65 # List of all targets ALLTARGETS = apple2 \ apple2enh \ - atari \ - atmos \ + atari \ + atmos \ c16 \ - c128 \ - c64 \ - cbm510 \ - cbm610 \ - geos \ + c128 \ + c64 \ + cbm510 \ + cbm610 \ + geos \ lynx \ nes \ - pet \ - plus4 \ + pet \ + plus4 \ supervision \ vic20 @@ -43,7 +43,7 @@ all: apple2lib: for i in apple2 common runtime conio dbg em joystick mouse serial tgi zlib; do \ - $(MAKE) SYS=apple2 -C $$i || exit 1; \ + $(MAKE) SYS=apple2 -C $$i || exit 1; \ $(AR) a apple2.lib $$i/*.o;\ done cp apple2/apple2-auxmem.emd a2.auxmem.emd @@ -83,18 +83,34 @@ apple2enhlib: atarilib: for i in atari common runtime conio dbg em joystick tgi zlib; do \ - $(MAKE) SYS=atari -C $$i || exit 1; \ + $(MAKE) SYS=atari -C $$i || exit 1; \ $(AR) a atari.lib $$i/*.o;\ done cp atari/atari-stdjoy.joy ataristd.joy cp atari/atari-multijoy.joy atarimj8.joy + cp atari/atari-10.tgi atari10.tgi + cp atari/atari-10p2.tgi atr10p2.tgi + cp atari/atari-11.tgi atari11.tgi + cp atari/atari-14.tgi atari14.tgi + cp atari/atari-15.tgi atari15.tgi + cp atari/atari-15p2.tgi atr15p2.tgi + cp atari/atari-3.tgi atari3.tgi + cp atari/atari-4.tgi atari4.tgi + cp atari/atari-5.tgi atari5.tgi + cp atari/atari-6.tgi atari6.tgi + cp atari/atari-7.tgi atari7.tgi + cp atari/atari-8.tgi atari8.tgi + cp atari/atari-8p2.tgi atr8p2.tgi + cp atari/atari-9.tgi atari9.tgi + cp atari/atari-9p2.tgi atr9p2.tgi + #----------------------------------------------------------------------------- # Oric Atmos atmoslib: for i in atmos common conio runtime em joystick tgi zlib; do \ - $(MAKE) SYS=atmos -C $$i || exit 1; \ + $(MAKE) SYS=atmos -C $$i || exit 1; \ $(AR) a atmos.lib $$i/*.o;\ done cp atmos/*.tgi . @@ -104,7 +120,7 @@ atmoslib: c16lib: for i in c16 cbm common runtime conio dbg em joystick tgi zlib; do \ - $(MAKE) SYS=c16 -C $$i || exit 1; \ + $(MAKE) SYS=c16 -C $$i || exit 1; \ $(AR) a c16.lib $$i/*.o;\ done cp c16/*.joy . @@ -173,7 +189,7 @@ geoslib: CC=../$(CC) \ AS=../$(AS) \ AR=../$(AR) \ - LD=../$(LD) \ + LD=../$(LD) \ AFLAGS="-t geos -I../../../asminc" \ CFLAGS="-Osir -g -T -t geos --forget-inc-paths -I. -I../../../include" \ $(MAKE) -C geos || exit 1 @@ -265,7 +281,7 @@ vic20lib: .PHONY: clean clean: @for i in cbm common conio dbg em joystick mouse runtime serial tgi zlib $(ALLTARGETS); do\ - $(MAKE) -C $$i clean; \ + $(MAKE) -C $$i clean; \ done .PHONY: zap diff --git a/libsrc/atari/Makefile b/libsrc/atari/Makefile index 4e0b93013..95ca16229 100644 --- a/libsrc/atari/Makefile +++ b/libsrc/atari/Makefile @@ -49,8 +49,9 @@ CFLAGS = -Osir -g -T -t $(SYS) --forget-inc-paths -I . -I ../../include %.joy: %.o ../runtime/zeropage.o @$(LD) -t module -o $@ $^ -%.tgi: %.o ../runtime/zeropage.o - @$(LD) -t module -o $@ $^ +%.tgi: %.o ../runtime/zeropage.o atari_tgi_common.inc + @$(LD) -t module -o $@ $< ../runtime/zeropage.o + #-------------------------------------------------------------------------- # Object files @@ -107,6 +108,7 @@ OBJS = _scrsize.o \ sysrmdir.o \ systime.o \ sysuname.o \ + tgi_mode_table.o\ tvtype.o \ ucase_fn.o \ wherex.o \ @@ -121,7 +123,9 @@ EMDS = JOYS = atari-stdjoy.joy atari-multijoy.joy -TGIS = +TGIS = atari-3.tgi atari-4.tgi atari-5.tgi atari-6.tgi atari-7.tgi atari-8.tgi \ + atari-9.tgi atari-10.tgi atari-11.tgi atari-14.tgi atari-15.tgi atari-8p2.tgi \ + atari-9p2.tgi atari-10p2.tgi atari-15p2.tgi #-------------------------------------------------------------------------- # Targets diff --git a/libsrc/atari/atari-10.s b/libsrc/atari/atari-10.s new file mode 100644 index 000000000..340a9902b --- /dev/null +++ b/libsrc/atari/atari-10.s @@ -0,0 +1,80 @@ +; +; Graphics driver for the 80x192x9 (CIO mode 10, ANTIC mode F, GTIA mode $80) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 10 +; X resolution + .define x_res 80 +; Y resolution + .define y_res 192 +; Number of colors + .define colors 9 +; Pixels per byte + .define ppb 2 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0400 ; 4:1 +; Free memory needed + .define mem_needed 7147 +; Number of screen pages + .define pages 1 + +.rodata + mask_table: ; Mask table to set pixels + .byte %11110000, %00001111 + masks: ; Color masks + .byte $00, $11, $22, $33, $44, $55, $66, $77, $88 + bar_table: ; Mask table for BAR + .byte %11111111, %00001111, %00000000 + default_palette: + .byte $00, $0E, $32, $96, $68, $C4, $74, $EE, $4A + +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; Copy the palette + ldy #colors - 1 +loop: lda (ptr1),y + sta palette,y + sta PCOLR0,y + dey + bpl loop + + ; Done, reset the error code + lda #TGI_ERR_OK + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-10p2.s b/libsrc/atari/atari-10p2.s new file mode 100644 index 000000000..f4b6a7450 --- /dev/null +++ b/libsrc/atari/atari-10p2.s @@ -0,0 +1,80 @@ +; +; Graphics driver for the 80x192x9 (CIO mode 10, ANTIC mode F, GTIA mode $80) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 10 +; X resolution + .define x_res 80 +; Y resolution + .define y_res 192 +; Number of colors + .define colors 9 +; Pixels per byte + .define ppb 2 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0400 ; 4:1 +; Free memory needed + .define mem_needed 15339 +; Number of screen pages + .define pages 2 + +.rodata + mask_table: ; Mask table to set pixels + .byte %11110000, %00001111 + masks: ; Color masks + .byte $00, $11, $22, $33, $44, $55, $66, $77, $88 + bar_table: ; Mask table for BAR + .byte %11111111, %00001111, %00000000 + default_palette: + .byte $00, $0E, $32, $96, $68, $C4, $74, $EE, $4A + +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; Copy the palette + ldy #colors - 1 +loop: lda (ptr1),y + sta palette,y + sta PCOLR0,y + dey + bpl loop + + ; Done, reset the error code + lda #TGI_ERR_OK + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-11.s b/libsrc/atari/atari-11.s new file mode 100644 index 000000000..3aa6d614f --- /dev/null +++ b/libsrc/atari/atari-11.s @@ -0,0 +1,72 @@ +; +; Graphics driver for the 80x192x16h (CIO mode 11, ANTIC mode F, GTIA mode $C0) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 11 +; X resolution + .define x_res 80 +; Y resolution + .define y_res 192 +; Number of colors + .define colors 16 +; Pixels per byte + .define ppb 2 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0400 ; 4:1 +; Free memory needed + .define mem_needed 7147 +; Number of screen pages + .define pages 1 + +.rodata + mask_table: ; Mask table to set pixels + .byte %11110000, %00001111 + masks: ; Color masks + .byte $00, $11, $22, $33, $44, $55, $66, $77, $88, $99, $aa, $bb, $cc, $dd, $ee, $ff + bar_table: ; Mask table for BAR + .byte %11111111, %00001111, %00000000 + default_palette: + .byte $00, $10, $20, $30, $40, $50, $60, $70, $80, $90, $A0, $B0, $C0, $D0, $E0, $F0 + +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; No palettes + lda #TGI_ERR_INV_FUNC + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-14.s b/libsrc/atari/atari-14.s new file mode 100644 index 000000000..536203412 --- /dev/null +++ b/libsrc/atari/atari-14.s @@ -0,0 +1,85 @@ +; +; Graphics driver for the 160x192x2 (CIO mode 14, ANTIC mode C) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 14 +; X resolution + .define x_res 160 +; Y resolution + .define y_res 192 +; Number of colors + .define colors 2 +; Pixels per byte + .define ppb 8 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0200 ; 2:1 +; Free memory needed + .define mem_needed 3305 +; Number of screen pages + .define pages 1 + +.rodata + mask_table: ; Mask table to set pixels + .byte %10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001 + masks: ; Color masks + .byte %00000000, %11111111 + bar_table: ; Mask table for BAR + .byte %11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000 + default_palette: + .byte $00, $0E + +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; Copy the palette + ldy #colors - 1 +loop: lda (ptr1),y + sta palette,y + dey + bpl loop + + ; Get the color entries from the palette + lda palette + sta COLOR4 + lda palette + 1 + sta COLOR0 + + ; Done, reset the error code + lda #TGI_ERR_OK + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-15.s b/libsrc/atari/atari-15.s new file mode 100644 index 000000000..5606bdb63 --- /dev/null +++ b/libsrc/atari/atari-15.s @@ -0,0 +1,89 @@ +; +; Graphics driver for the 160x192x2 (CIO mode 15, ANTIC mode E) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 15 +; X resolution + .define x_res 160 +; Y resolution + .define y_res 192 +; Number of colors + .define colors 4 +; Pixels per byte + .define ppb 4 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0200 ; 2:1 +; Free memory needed + .define mem_needed 7147 +; Number of screen pages + .define pages 1 + +.rodata + mask_table: ; Mask table to set pixels + .byte %11000000, %00110000, %00001100, %00000011 + masks: ; Color masks + .byte %00000000, %01010101, %10101010, %11111111 + bar_table: ; Mask table for BAR + .byte %11111111, %00111111, %00001111, %00000011, %00000000 + default_palette: + .byte $00, $0E, $32, $96 + +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; Copy the palette + ldy #colors - 1 +loop: lda (ptr1),y + sta palette,y + dey + bpl loop + + ; Get the color entries from the palette + lda palette + sta COLOR4 + lda palette + 1 + sta COLOR0 + lda palette + 2 + sta COLOR1 + lda palette + 3 + sta COLOR2 + + ; Done, reset the error code + lda #TGI_ERR_OK + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-15p2.s b/libsrc/atari/atari-15p2.s new file mode 100644 index 000000000..48e4c6925 --- /dev/null +++ b/libsrc/atari/atari-15p2.s @@ -0,0 +1,89 @@ +; +; Graphics driver for the 160x192x2 (CIO mode 15, ANTIC mode E) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 15 +; X resolution + .define x_res 160 +; Y resolution + .define y_res 192 +; Number of colors + .define colors 4 +; Pixels per byte + .define ppb 4 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0200 ; 2:1 +; Free memory needed + .define mem_needed 15339 +; Number of screen pages + .define pages 2 + +.rodata + mask_table: ; Mask table to set pixels + .byte %11000000, %00110000, %00001100, %00000011 + masks: ; Color masks + .byte %00000000, %01010101, %10101010, %11111111 + bar_table: ; Mask table for BAR + .byte %11111111, %00111111, %00001111, %00000011, %00000000 + default_palette: + .byte $00, $0E, $32, $96 + +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; Copy the palette + ldy #colors - 1 +loop: lda (ptr1),y + sta palette,y + dey + bpl loop + + ; Get the color entries from the palette + lda palette + sta COLOR4 + lda palette + 1 + sta COLOR0 + lda palette + 2 + sta COLOR1 + lda palette + 3 + sta COLOR2 + + ; Done, reset the error code + lda #TGI_ERR_OK + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-3.s b/libsrc/atari/atari-3.s new file mode 100644 index 000000000..c8515faae --- /dev/null +++ b/libsrc/atari/atari-3.s @@ -0,0 +1,89 @@ +; +; Graphics driver for the 40x24x4 (CIO mode 3, ANTIC mode 8) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 3 +; X resolution + .define x_res 40 +; Y resolution + .define y_res 24 +; Number of colors + .define colors 4 +; Pixels per byte + .define ppb 4 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0100 ; 1:1 +; Free memory needed + .define mem_needed 1 +; Number of screen pages + .define pages 1 + +.rodata + mask_table: ; Mask table to set pixels + .byte %11000000, %00110000, %00001100, %00000011 + masks: ; Color masks + .byte %00000000, %01010101, %10101010, %11111111 + bar_table: ; Mask table for BAR + .byte %11111111, %00111111, %00001111, %00000011, %00000000 + default_palette: + .byte $00, $0E, $32, $96 + +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; Copy the palette + ldy #colors - 1 +loop: lda (ptr1),y + sta palette,y + dey + bpl loop + + ; Get the color entries from the palette + lda palette + sta COLOR4 + lda palette + 1 + sta COLOR0 + lda palette + 2 + sta COLOR1 + lda palette + 3 + sta COLOR2 + + ; Done, reset the error code + lda #TGI_ERR_OK + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-4.s b/libsrc/atari/atari-4.s new file mode 100644 index 000000000..f136ff1be --- /dev/null +++ b/libsrc/atari/atari-4.s @@ -0,0 +1,85 @@ +; +; Graphics driver for the 80x48x2 (CIO mode 4, ANTIC mode 9) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 4 +; X resolution + .define x_res 80 +; Y resolution + .define y_res 48 +; Number of colors + .define colors 2 +; Pixels per byte + .define ppb 8 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0100 ; 1:1 +; Free memory needed + .define mem_needed 1 +; Number of screen pages + .define pages 1 + +.rodata + mask_table: ; Mask table to set pixels + .byte %10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001 + masks: ; Color masks + .byte %00000000, %11111111 + bar_table: ; Mask table for BAR + .byte %11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000 + default_palette: + .byte $00, $0E + +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; Copy the palette + ldy #colors - 1 +loop: lda (ptr1),y + sta palette,y + dey + bpl loop + + ; Get the color entries from the palette + lda palette + sta COLOR4 + lda palette + 1 + sta COLOR0 + + ; Done, reset the error code + lda #TGI_ERR_OK + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-5.s b/libsrc/atari/atari-5.s new file mode 100644 index 000000000..77db24681 --- /dev/null +++ b/libsrc/atari/atari-5.s @@ -0,0 +1,89 @@ +; +; Graphics driver for the 80x48x4 (CIO mode 5, ANTIC mode A) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 5 +; X resolution + .define x_res 80 +; Y resolution + .define y_res 48 +; Number of colors + .define colors 4 +; Pixels per byte + .define ppb 4 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0100 ; 1:1 +; Free memory needed + .define mem_needed 185 +; Number of screen pages + .define pages 1 + +.rodata + mask_table: ; Mask table to set pixels + .byte %11000000, %00110000, %00001100, %00000011 + masks: ; Color masks + .byte %00000000, %01010101, %10101010, %11111111 + bar_table: ; Mask table for BAR + .byte %11111111, %00111111, %00001111, %00000011, %00000000 + default_palette: + .byte $00, $0E, $32, $96 + +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; Copy the palette + ldy #colors - 1 +loop: lda (ptr1),y + sta palette,y + dey + bpl loop + + ; Get the color entries from the palette + lda palette + sta COLOR4 + lda palette + 1 + sta COLOR0 + lda palette + 2 + sta COLOR1 + lda palette + 3 + sta COLOR2 + + ; Done, reset the error code + lda #TGI_ERR_OK + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-6.s b/libsrc/atari/atari-6.s new file mode 100644 index 000000000..b2266e852 --- /dev/null +++ b/libsrc/atari/atari-6.s @@ -0,0 +1,85 @@ +; +; Graphics driver for the 160x96x2 (CIO mode 6, ANTIC mode B) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 6 +; X resolution + .define x_res 160 +; Y resolution + .define y_res 96 +; Number of colors + .define colors 2 +; Pixels per byte + .define ppb 8 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0100 ; 1:1 +; Free memory needed + .define mem_needed 1193 +; Number of screen pages + .define pages 1 + +.rodata + mask_table: ; Mask table to set pixels + .byte %10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001 + masks: ; Color masks + .byte %00000000, %11111111 + bar_table: ; Mask table for BAR + .byte %11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000 + default_palette: + .byte $00, $0E + +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; Copy the palette + ldy #colors - 1 +loop: lda (ptr1),y + sta palette,y + dey + bpl loop + + ; Get the color entries from the palette + lda palette + sta COLOR4 + lda palette + 1 + sta COLOR0 + + ; Done, reset the error code + lda #TGI_ERR_OK + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-7.s b/libsrc/atari/atari-7.s new file mode 100644 index 000000000..d02f08ae8 --- /dev/null +++ b/libsrc/atari/atari-7.s @@ -0,0 +1,89 @@ +; +; Graphics driver for the 160x96x4 (CIO mode 7, ANTIC mode D) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 7 +; X resolution + .define x_res 160 +; Y resolution + .define y_res 96 +; Number of colors + .define colors 4 +; Pixels per byte + .define ppb 4 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0100 ; 1:1 +; Free memory needed + .define mem_needed 3209 +; Number of screen pages + .define pages 1 + +.rodata + mask_table: ; Mask table to set pixels + .byte %11000000, %00110000, %00001100, %00000011 + masks: ; Color masks + .byte %00000000, %01010101, %10101010, %11111111 + bar_table: ; Mask table for BAR + .byte %11111111, %00111111, %00001111, %00000011, %00000000 + default_palette: + .byte $00, $0E, $32, $96 + +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; Copy the palette + ldy #colors - 1 +loop: lda (ptr1),y + sta palette,y + dey + bpl loop + + ; Get the color entries from the palette + lda palette + sta COLOR4 + lda palette + 1 + sta COLOR0 + lda palette + 2 + sta COLOR1 + lda palette + 3 + sta COLOR2 + + ; Done, reset the error code + lda #TGI_ERR_OK + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-8.s b/libsrc/atari/atari-8.s new file mode 100644 index 000000000..1af09c757 --- /dev/null +++ b/libsrc/atari/atari-8.s @@ -0,0 +1,84 @@ +; +; Graphics driver for the 320x192x2 (CIO mode 8, ANTIC mode F) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 8 +; X resolution + .define x_res 320 +; Y resolution + .define y_res 192 +; Number of colors + .define colors 2 +; Pixels per byte + .define ppb 8 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0100 ; 1:1 +; Free memory needed + .define mem_needed 7147 +; Number of screen pages + .define pages 1 + +.rodata + mask_table: ; Mask table to set pixels + .byte %10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001 + masks: ; Color masks + .byte %00000000, %11111111 + bar_table: ; Mask table for BAR + .byte %11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000 + default_palette: + .byte $00, $0E +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; Copy the palette + ldy #colors - 1 +loop: lda (ptr1),y + sta palette,y + dey + bpl loop + + ; Get the color entries from the palette + lda palette + sta COLOR2 + lda palette + 1 + sta COLOR1 + + ; Done, reset the error code + lda #TGI_ERR_OK + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-8p2.s b/libsrc/atari/atari-8p2.s new file mode 100644 index 000000000..57e518376 --- /dev/null +++ b/libsrc/atari/atari-8p2.s @@ -0,0 +1,84 @@ +; +; Graphics driver for the 320x192x2 (CIO mode 8, ANTIC mode F) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 8 +; X resolution + .define x_res 320 +; Y resolution + .define y_res 192 +; Number of colors + .define colors 2 +; Pixels per byte + .define ppb 8 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0100 ; 1:1 +; Free memory needed + .define mem_needed 15339 +; Number of screen pages + .define pages 2 + +.rodata + mask_table: ; Mask table to set pixels + .byte %10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001 + masks: ; Color masks + .byte %00000000, %11111111 + bar_table: ; Mask table for BAR + .byte %11111111, %01111111, %00111111, %00011111, %00001111, %00000111, %00000011, %00000001, %00000000 + default_palette: + .byte $00, $0E +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; Copy the palette + ldy #colors - 1 +loop: lda (ptr1),y + sta palette,y + dey + bpl loop + + ; Get the color entries from the palette + lda palette + sta COLOR2 + lda palette + 1 + sta COLOR1 + + ; Done, reset the error code + lda #TGI_ERR_OK + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-9.s b/libsrc/atari/atari-9.s new file mode 100644 index 000000000..0ac9d92bc --- /dev/null +++ b/libsrc/atari/atari-9.s @@ -0,0 +1,72 @@ +; +; Graphics driver for the 80x192x16b (CIO mode 9, ANTIC mode F, GTIA mode $40) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 9 +; X resolution + .define x_res 80 +; Y resolution + .define y_res 192 +; Number of colors + .define colors 16 +; Pixels per byte + .define ppb 2 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0400 ; 4:1 +; Free memory needed + .define mem_needed 7147 +; Number of screen pages + .define pages 1 + +.rodata + mask_table: ; Mask table to set pixels + .byte %11110000, %00001111 + masks: ; Color masks + .byte $00, $11, $22, $33, $44, $55, $66, $77, $88, $99, $aa, $bb, $cc, $dd, $ee, $ff + bar_table: ; Mask table for BAR + .byte %11111111, %00001111, %00000000 + default_palette: + .byte $00, $0F, $01, $02, $03, $04, $05, $06, $07, $08, $09, $0A, $0B, $0C, $0D, $0E + +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; No palettes + lda #TGI_ERR_INV_FUNC + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari-9p2.s b/libsrc/atari/atari-9p2.s new file mode 100644 index 000000000..16fa088d2 --- /dev/null +++ b/libsrc/atari/atari-9p2.s @@ -0,0 +1,72 @@ +; +; Graphics driver for the 80x192x16b (CIO mode 9, ANTIC mode F, GTIA mode $40) on the Atari. +; +; Fatih Aygun (2009) +; + + .include "atari.inc" + .include "zeropage.inc" + + .include "tgi-kernel.inc" + .include "tgi-mode.inc" + .include "tgi-error.inc" + + .macpack generic + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Constants and tables + ; + ; ---------------------------------------------------------------------- + +; Graphics mode + .define grmode 9 +; X resolution + .define x_res 80 +; Y resolution + .define y_res 192 +; Number of colors + .define colors 16 +; Pixels per byte + .define ppb 2 +; Screen memory size in bytes + .define scrsize x_res * y_res / ppb +; Pixel aspect ratio + .define aspect $0400 ; 4:1 +; Free memory needed + .define mem_needed 15339 +; Number of screen pages + .define pages 2 + +.rodata + mask_table: ; Mask table to set pixels + .byte %11110000, %00001111 + masks: ; Color masks + .byte $00, $11, $22, $33, $44, $55, $66, $77, $88, $99, $aa, $bb, $cc, $dd, $ee, $ff + bar_table: ; Mask table for BAR + .byte %11111111, %00001111, %00000000 + default_palette: + .byte $00, $0F, $01, $02, $03, $04, $05, $06, $07, $08, $09, $0A, $0B, $0C, $0D, $0E + +.code + +; ****************************************************************************** + +.proc SETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; SETPALETTE: Set the palette (in ptr1) + ; + ; ---------------------------------------------------------------------- + +.code + ; No palettes + lda #TGI_ERR_INV_FUNC + sta error + rts +.endproc + +.include "atari_tgi_common.inc" diff --git a/libsrc/atari/atari_tgi_common.inc b/libsrc/atari/atari_tgi_common.inc new file mode 100644 index 000000000..b4af06763 --- /dev/null +++ b/libsrc/atari/atari_tgi_common.inc @@ -0,0 +1,1417 @@ +; +; Generic Atari graphics driver +; + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Header. Includes jump table and constants. + ; + ; ---------------------------------------------------------------------- + +.segment "JUMPTABLE" + +; Header + + .byte $74, $67, $69 ; "tgi" + .byte TGI_API_VERSION ; TGI API version number + .word x_res ; X resolution + .word y_res ; Y resolution + .byte colors ; Number of drawing colors + .byte pages ; Number of screens available + .byte 8 ; System font X size + .byte 8 ; System font Y size + .word aspect ; Aspect ratio + +; Function table + + .addr INSTALL + .addr UNINSTALL + .addr INIT + .addr DONE + .addr GETERROR + .addr CONTROL + .addr CLEAR + .addr SETVIEWPAGE + .addr SETDRAWPAGE + .addr SETCOLOR + .addr SETPALETTE + .addr GETPALETTE + .addr GETDEFPALETTE + .addr SETPIXEL + .addr GETPIXEL + .addr LINE + .addr BAR + .addr TEXTSTYLE + .addr OUTTEXT + .addr 0 ; IRQ entry is unused + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Parameters + ; + ; ---------------------------------------------------------------------- + + x1 := ptr1 + y1 := ptr2 + x2 := ptr3 + y2 := ptr4 + radius := tmp1 + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Global variables + ; + ; ---------------------------------------------------------------------- + + sptr := regsave + 2 + +.bss + error: + .res 1 ; Error code + .if grmode = 9 || grmode = 11 + palette = default_palette + .else + palette: + .res colors ; The current palette + .endif + mask: + .res 1 ; Current pixel mask + griocb: + .res 1 ; IOCB channel number for graphics + +.if pages = 2 + p0scr: + .res 1 ; High byte of screen address for screen page 0 + p0dls: + .res 1 ; High byte of display list address for screen page 0 + ; Page 1's addresses are 8K higher +.endif + +.data + mag_x: + .byte 1 ; Horizontal text scaling factor + mag_y: + .byte 1 ; Vertical text scaling factor + mag_x8: + .word 8 ; Horizontal text scaling factor * 8 + mag_y8: + .word 8 ; Vertical text scaling factor * 8 + text_dir: + .byte 0 ; Text direction, + +.code + +; ****************************************************************************** + +.macro put_pixel + + ; ---------------------------------------------------------------------- + ; + ; Put a pixel at (sptr),y using x as the bit mask offset + ; + ; ---------------------------------------------------------------------- + + lda (sptr),y + eor mask + and mask_table,x + eor (sptr),y + sta (sptr),y +.endmacro + +; ****************************************************************************** + +.rodata +screen_device: + .byte "S:",$9B ; Device code for screen +screen_device_length := * - screen_device + +.code + +.proc INIT + + ; ---------------------------------------------------------------------- + ; + ; INIT: Switch to graphics mode + ; + ; ---------------------------------------------------------------------- + + +.code + ; Initialize drawing color + ldx #$FF + stx mask + + ; Find a free IOCB + clc + lda #$70 +search: tax + ldy ICHID,x + cpy #$FF + beq found + sbc #$10 + bcs search + + ; No free IOCB + lda #TGI_ERR_NO_IOCB + sta error + rts + +found: ; Check if enough RAM is available + lda #0 + sub #mem_needed + cmp APPMHI + 1 + bcc nomem + bne switch + cpy APPMHI + bcs switch + + ; No memory +nomem: lda #TGI_ERR_NO_MEM + sta error + rts + + ; Switch into graphics mode +switch: lda #OPEN + sta ICCOM,x + lda #OPNIN | OPNOT + sta ICAX1,x + lda #grmode + sta ICAX2,x + lda #screen_device + sta ICBAH,x + lda #screen_device_length + sta ICBLH,x + jsr CIOV + + .if pages = 2 + ; Reserve 8K of high memory + lda RAMTOP + sub #32 + sta RAMTOP + ; Close and reopen graphics + lda #CLOSE + sta ICCOM,x + jsr CIOV + ; Reopen graphics + lda #OPEN + sta ICCOM,x + lda #OPNIN | OPNOT + sta ICAX1,x + lda #grmode + sta ICAX2,x + lda #screen_device + sta ICBAH,x + lda #screen_device_length + sta ICBLH,x + jsr CIOV + ; Save screen poniters + lda SAVMSC + 1 + sta p0scr + lda SDLSTH + sta p0dls + .endif + + stx griocb + ; Reset the error code and return + lda #TGI_ERR_OK + sta error + rts +.endproc + +; ****************************************************************************** + +.proc DONE + + ; ---------------------------------------------------------------------- + ; + ; DONE: Switch back to text mode + ; + ; ---------------------------------------------------------------------- + +.code + .if pages = 2 + ; Free 8K of high memory + lda RAMTOP + add #32 + sta RAMTOP + .endif + + ; Clear griocb + lda #$FF + ldx griocb + sta griocb + + ; Close the S: device + lda #CLOSE + sta ICCOM,x + jsr CIOV + + ; Reopen it in Graphics 0 + lda #OPEN + sta ICCOM,x + lda #OPNIN | OPNOT + sta ICAX1,x + lda #0 + sta ICAX2,x + lda #screen_device + sta ICBAH,x + lda #screen_device_length + sta ICBLH,x + jsr CIOV + + ; Now close it again; we don't need it anymore + lda #CLOSE + sta ICCOM,x + jmp CIOV +.endproc + +; ****************************************************************************** + +.proc GETERROR + + ; ---------------------------------------------------------------------- + ; + ; GETERROR: Return the error code in A and clear it + ; + ; ---------------------------------------------------------------------- + +.code + ldx #TGI_ERR_OK + lda error + stx error + rts +.endproc + +; ****************************************************************************** + +.proc CLEAR + + ; ---------------------------------------------------------------------- + ; + ; CLEAR: Clear the screen + ; + ; ---------------------------------------------------------------------- + +.code + ; Load the screen address in sptr + lda SAVMSC + sta sptr + lda SAVMSC + 1 + sta sptr + 1 + + ; Fill with zero + lda #0 + tay + + ; Clear full pages if any + .if >(scrsize) > 0 + ldx #>(scrsize) +loop1: sta (sptr),y + iny + bne loop1 + inc sptr + 1 + dex + bne loop1 + .endif + + ; Clear the rest, if any + .if <(scrsize) > 0 +loop2: sta (sptr),y + iny + cpy #<(scrsize) + bne loop2 + .endif + + rts +.endproc + +; ****************************************************************************** + +.proc GETPALETTE + + ; ---------------------------------------------------------------------- + ; + ; GETPALETTE: Return the current palette in A/X + ; + ; ---------------------------------------------------------------------- + +.code + lda #palette + rts +.endproc + +; ****************************************************************************** + +.proc GETDEFPALETTE + + ; ---------------------------------------------------------------------- + ; + ; GETDEFPALETTE: Return the default palette in A/X + ; + ; ---------------------------------------------------------------------- + +.code + lda #default_palette + rts +.endproc + +; ****************************************************************************** + +.proc SETCOLOR + + ; ---------------------------------------------------------------------- + ; + ; SETCOLOR: Set the drawing color (in A) + ; + ; ---------------------------------------------------------------------- + +.code + tax + .if grmode = 9 + ; Map colors like this: 0 -> 0, 1 -> 15, 2 -> 1, 3 -> 2 etc. + beq @cont + cpx #1 + bne @map + ldx #16 +@map: dex +@cont: .endif + lda masks,x + sta mask + rts +.endproc + +; ****************************************************************************** + +.proc CALC + + ; ---------------------------------------------------------------------- + ; + ; CALC: Calculate the screen address + ; in + ; x1 (ptr1) x coordinate + ; y1 (ptr2) y coordinate + ; out + ; sptr + y screen address + ; x bit mask index + ; + ; ---------------------------------------------------------------------- + +.bss + temp: .res 1 +.code + ; calculate line offset + lda y1 + 1 + sta temp + lda y1 + + .if x_res / ppb = 40 + .define yrep 3 + .elseif x_res / ppb = 20 + .define yrep 2 + .elseif x_res / ppb = 10 + .define yrep 1 + .endif + + .repeat yrep + asl a + rol temp + .endrepeat + sta sptr + ldx temp + stx sptr + 1 + .repeat 2 + asl a + rol temp + .endrepeat + add sptr + sta sptr + lda temp + adc sptr + 1 + sta sptr + 1 + + ; calculate bit mask offset + lda x1 + and #ppb - 1 + tax + + ; calculate row offset + lda x1 + 1 + sta temp + lda x1 + + .if ppb = 8 + .define xrep 3 + .elseif ppb = 4 + .define xrep 2 + .elseif ppb = 2 + .define xrep 1 + .endif + .repeat xrep + lsr temp + ror a + .endrepeat + tay + + ; sptr += SAVMSC + lda SAVMSC + add sptr + sta sptr + lda SAVMSC + 1 + adc sptr + 1 + sta sptr + 1 + + ; We're done! + rts +.endproc + +; ****************************************************************************** + +.proc SETPIXEL + + ; ---------------------------------------------------------------------- + ; + ; Draw one pixel at x1, y1 + ; + ; ---------------------------------------------------------------------- + +.code + jsr CALC + put_pixel + rts +.endproc + +; ****************************************************************************** + +.proc GETPIXEL + + ; ---------------------------------------------------------------------- + ; + ; GETPIXEL: Read the color value of a pixel and return it in A/X + ; + ; ---------------------------------------------------------------------- + +.code + jsr CALC + lda (sptr),y + and mask_table,x + .if ppb = 8 + beq zero + lda #1 +zero: ldx #0 + rts + .elseif ppb = 4 +loop: cpx #3 + beq cont + lsr a + lsr a + inx + bne loop +cont: and #$03 + rts + .elseif ppb = 2 + dex + bne shift + and #$0F + jmp exit +shift: ldx #0 + lsr a + lsr a + lsr a + lsr a + + ; Mode 9 mapping +exit: .if grmode = 9 + ; Map colors like this: 0 -> 0, 15 -> 1, 2 -> 3, 3 -> 4 etc. + beq @cont + cmp #15 + bne @map + lda #0 +@map: add #1 +@cont: .endif + + ; Mode 10 mapping + .if grmode = 10 + ; Map out of range colors like this: + ; 9 -> 8 + ; 10 -> 8 + ; 11 -> 8 + ; 12 -> 0 + ; 13 -> 1 + ; 14 -> 2 + ; 15 -> 3 + cmp #8 + bcs @cont + sub #12 + bcs @cont + lda #8 +@cont: .endif + + ; Done! + rts + .endif +.endproc + +; ****************************************************************************** + +.proc LINE + + ; ---------------------------------------------------------------------- + ; + ; LINE: Draw a line from x1,y1 to x2,y2 + ; + ; ---------------------------------------------------------------------- + +; locals + + dx := sreg + dy := y1 + dx2 := x2 + dy2 := y2 + iy := tmp1 + err := tmp3 + +.code + ; dx = x2 - x1 + lda x2 + sub x1 + sta dx + lda x2 + 1 + sbc x1 + 1 + sta dx + 1 + ; if dx is positive, no problem + bcs dx_positive + + ; if dx is negative, swap x1,y1 with x2,y2 + lda x1 ; x1 <-> x2, low byte + ldx x2 + sta x2 + stx x1 + lda x1 + 1 ; x1 <-> x2, high byte + ldx x2 + 1 + sta x2 + 1 + stx x1 + 1 + lda y1 ; y1 <-> y2, low byte + ldx y2 + sta y2 + stx y1 + lda y1 + 1 ; y1 <-> y2, high byte + ldx y2 + 1 + sta y2 + 1 + stx y1 + 1 + ; Calculate again + jmp LINE + +dx_positive: + ; Calculate coords + jsr CALC + + ; dy = y2 - y1 + lda y2 + sub y1 + sta dy + lda y2 + 1 + sbc y1 + 1 + sta dy + 1 + + ; if dy is negative + bcs dy_positive + ; dy = -dy + lda #0 + sub dy + sta dy + lda #0 + sbc dy + 1 + sta dy + 1 + ; iy = -row_size + lda #<(65536 - x_res / ppb) + sta iy + lda #>(65536 - x_res / ppb) + sta iy + 1 + bne skip_iy_1 ; always + +dy_positive: + ; iy = row_size + lda #<(x_res / ppb) + sta iy + lda #>(x_res / ppb) + sta iy + 1 +skip_iy_1: + + ; dx2 = dx * 2 + lda dx + asl a + sta dx2 + lda dx + 1 + rol a + sta dx2 + 1 + + ; dy2 = dy * 2 + lda dy + asl a + sta dy2 + lda dy + 1 + rol a + sta dy2 + 1 + + ; if dx >= dy + lda dx + cmp dy + lda dx + 1 + sbc dy + 1 + bcc dy_major + + ; dx is the major axis + + ; err = dy2 - dx + lda dy2 + sub dx + sta err + lda dy2 + 1 + sbc dx + 1 + sta err + 1 + + .scope +loop: ; main loop + put_pixel + ; if err >= 0 + lda err + 1 + bmi err_neg + ; err -= dx2 + lda err + sub dx2 + sta err + lda err + 1 + sbc dx2 + 1 + sta err + 1 + ; move_vertical (iy) + lda sptr + add iy + sta sptr + lda sptr + 1 + adc iy + 1 + sta sptr + 1 +err_neg: + ; err += dy2 + lda err + add dy2 + sta err + lda err + 1 + adc dy2 + 1 + sta err + 1 + ; move_right + inx + cpx #ppb + bne end_move + ldx #0 + iny + bne end_move + inc sptr + 1 +end_move: + ; loop while dx-- >= 0 + lda dx + ora dx + 1 + beq exit + dec dx + lda dx + cmp #$FF + bne loop + dec dx + 1 + jmp loop +exit: rts + .endscope + +dy_major: + ; dy is the major axis + + ; err = dx2 - dy; + lda dx2 + sub dy + sta err + lda dx2 + 1 + sbc dy + 1 + sta err + 1 + + .scope +loop: ; main loop + put_pixel + ; if err >= 0 + lda err + 1 + bmi end_move + ; err -= dy2 + lda err + sub dy2 + sta err + lda err + 1 + sbc dy2 + 1 + sta err + 1 + ; move_right + inx + cpx #ppb + bne end_move + ldx #0 + iny + bne end_move + inc sptr + 1 +end_move: + ; err += dx2 + lda err + add dx2 + sta err + lda err + 1 + adc dx2 + 1 + sta err + 1 + ; move_vertical(iy) + lda sptr + add iy + sta sptr + lda sptr + 1 + adc iy + 1 + sta sptr + 1 + ; loop while dy-- >= 0 + lda dy + ora dy + 1 + beq exit + dec dy + lda dy + cmp #$FF + bne loop + dec dy + 1 + jmp loop +exit: rts + .endscope +.endproc + +; ****************************************************************************** + +.proc clipped_bar + + ; ---------------------------------------------------------------------- + ; + ; Clip and draw bar + ; + ; ---------------------------------------------------------------------- + +.code + lda y1 + 1 + bne off + lda y1 + cmp #y_res + bcs off + + lda x1 + 1 + .if >(x_res - 1) > 0 + cmp #>x_res + bcc check2 + .endif + bne off + lda x1 + cmp #(x_res - 1) > 0 + cmp #>x_res + bcc BAR + .endif + bne off + lda x2 + cmp #(x_res - 1) > 0 + lda x2 + 1 + sta x1 + 1 + .endif + jsr CALC + ; Save the values + tya + add sptr + sta sptr + bcc skips + inc sptr + 1 +skips: inx + lda bar_table,x + eor #$FF + sta rmask + ; Calculate memory difference between x1 and x2 + lda sptr + sub lmem + sta dx +loop: ; Main loop + ldy #0 + ldx dx + beq same + ; Left + lda (lmem),y + eor mask + and lmask + eor (lmem),y + sta (lmem),y + iny + ; Between + lda mask + jmp next +btwn: sta (lmem),y + iny +next: dex + bne btwn + ; Right + lda (lmem),y + eor mask + and rmask + eor (lmem),y + sta (lmem),y + jmp cont +same: ; Same byte + lda lmask + and rmask + sta fmask + lda (lmem),y + eor mask + and fmask + eor (lmem),y + sta (lmem),y +cont: ; Go to next row + lda lmem + add #<(x_res / ppb) + sta lmem + bcc skipm + inc lmem + 1 +skipm: ; Loop while --dy > 0 + dec dy + bne loop + + rts + +.endproc + +; ****************************************************************************** + +.proc TEXTSTYLE + + ; ---------------------------------------------------------------------- + ; + ; TEXTSTYLE: Set text style. Scale factors in X and Y and direction in A + ; + ; ---------------------------------------------------------------------- + +.code + stx mag_x + sty mag_y + ; Save text direction in bit 8 so that we can use BIT instruction later + lsr a + ror a + sta text_dir + ; Save 8 * scaling factors + lda #0 + sta mag_x8 + 1 + sta mag_y8 + 1 + ; Save 8 * mag_x + txa + .repeat 3 + asl a + rol mag_x8 + 1 + .endrepeat + sta mag_x8 + ; Save 8 * mag_y + tya + .repeat 3 + asl a + rol mag_y8 + 1 + .endrepeat + sta mag_y8 + ; Done! + rts +.endproc + +; ****************************************************************************** + +.proc OUTTEXT + + ; ---------------------------------------------------------------------- + ; + ; OUTTEXT: Draw text at x1, y1. String is in ptr3 + ; + ; ---------------------------------------------------------------------- + +; locals + string := tmp1 + cols := tmp3 + pixels := tmp4 + font := regsave +.rodata + ataint: .byte 64,0,32,96 +.bss + rows: .res 1 + .if >(x_res - 1) > 0 + oldx1: .res 2 + oldx2: .res 2 + .else + oldx1: .res 1 + oldx2: .res 1 + .endif + oldy1: .res 1 + oldy2: .res 1 + inv: .res 1 +.code + ; Don't draw zero sized characters + lda mag_x + beq @exit + lda mag_y + bne @cont +@exit: rts +@cont: ; Save string address, ptr3 is needed by BAR + lda ptr3 + sta string + lda ptr3 + 1 + sta string + 1 + + bit text_dir + bmi vert + + ; Calculate x2 + lda mag_x + sub #1 + add x1 + sta x2 + .if >(x_res - 1) > 0 + lda x1 + 1 + adc #0 + sta x2 + 1 + .else + lda #0 + sta x2 + 1 + .endif + + ; Calculate y2 and adjust y1 + dec y1 + lda y1 + sta y2 + sub mag_y + add #1 + sta y1 + lda #0 + sta y2 + 1 + + jmp while + + ; Calculate for vertical text +vert: lda x1 + sub #1 + sta x2 + lda x1 + 1 + sbc #0 + sta x2 + 1 + lda x1 + sub mag_y + sta x1 + lda x1 + 1 + sbc #0 + sta x1 + 1 + + lda mag_x + sub #1 + add y1 + sta y2 + lda #0 + sta y2 + 1 + beq while ; Always + + ; Main loop +loop: inc string + bne skiph + inc string + 1 +skiph: ; Save coords + jsr save_text_y + ; Draw one character + jsr outchar + ; Restore coords + jsr restore_text_y + ; End of loop +while: ldy #0 + lda (string),y + bne loop ; Check for null character + rts + + ; -------------------- + ; Output one character +outchar: + ; Convert to ANTIC code + tay + rol a + rol a + rol a + rol a + and #3 + tax + tya + and #$9f + ora ataint,x + ; Save and clear inverse video bit + sta inv + and #$7F + ; Calculate font data address + sta font + lda #0 + sta font + 1 + .repeat 3 + asl font + rol a + .endrepeat + adc CHBAS + sta font + 1 + ; Save old coords + bit text_dir + bpl @hor + lda y1 + sta oldy1 + lda y2 + sta oldy2 + jmp @cont +@hor: lda x1 + sta oldx1 + lda x2 + sta oldx2 + .if >(x_res - 1) > 0 + lda x1 + 1 + sta oldx1 + 1 + lda x2 + 1 + sta oldx2 + 1 + .endif + ; Get glyph pixels +@cont: ldy #7 + ; Put one row of the glyph +putrow: sty rows + lda (font),y + bit inv + bpl noinv + eor #$FF +noinv: sta pixels + lda #7 + sta cols + ; Put one column of the row +putcol: asl pixels + bcc next_col + lda x1 + pha + lda x1 + 1 + pha + jsr clipped_bar + pla + sta x1 + 1 + pla + sta x1 +next_col: + ; Go to next column + jsr inc_x + dec cols + bpl putcol +next_row: + ; Go to next row + jsr dec_y + ; Restore old values + bit text_dir + bpl @hor + lda oldy1 + sta y1 + lda oldy2 + sta y2 + jmp @cont +@hor: lda oldx1 + sta x1 + lda oldx2 + sta x2 + .if >(x_res - 1) > 0 + lda oldx1 + 1 + sta x1 + 1 + lda oldx2 + 1 + sta x2 + 1 + .endif + ; Next row +@cont: ldy rows + dey + bpl putrow + + ; We're done! + rts + + +; ------------------------- +inc_x: ; increase x coords + bit text_dir + bmi @vert + + lda mag_x + add x1 + sta x1 + bcc @1 + inc x1 + 1 +@1: lda mag_x + add x2 + sta x2 + bcc @2 + inc x2 + 1 +@2: rts + +@vert: lda y1 + sub mag_x + sta y1 + lda y2 + sub mag_x + sta y2 + rts + +; ------------------------- +dec_y: ; decrease y coords + bit text_dir + bmi @vert + + lda y1 + sub mag_y + sta y1 + bcs @1 + dec y1 + 1 +@1: lda y2 + sub mag_y + sta y2 + bcs @2 + dec y2 + 1 +@2: rts + +@vert: lda x1 + sub mag_y + sta x1 + bcs @3 + dec x1 + 1 +@3: lda x2 + sub mag_y + sta x2 + bcs @4 + dec x2 + 1 +@4: rts + +; ------------------------- +save_text_y: ; Save text's height coords + bit text_dir + bmi @vert + ldx y1 + stx oldy1 + ldx y2 + stx oldy2 + rts +@vert: ldx x1 + stx oldx1 + ldx x2 + stx oldx2 + .if >(x_res - 1) > 0 + ldx x1 + 1 + stx oldx1 + 1 + ldx x2 + 1 + stx oldx2 + 1 + .endif + rts + +; ------------------------- +restore_text_y: ; Position to next char + bit text_dir + bmi @vert + + ldx oldy1 + stx y1 + ldx oldy2 + stx y2 + ldx #0 + stx y1 + 1 + stx y2 + 1 + + lda mag_x8 + add x1 + sta x1 + lda mag_x8 + 1 + adc x1 + 1 + sta x1 + 1 + lda mag_x8 + add x2 + sta x2 + lda mag_x8 + 1 + adc x2 + 1 + sta x2 + 1 + + rts + +@vert: ldx oldx1 + stx x1 + ldx oldx2 + stx x2 + .if >(x_res - 1) > 0 + ldx oldx1 + 1 + stx x1 + 1 + ldx oldx2 + 1 + stx x2 + 1 + .endif + + lda y1 + sub mag_x8 + sta y1 + lda y1 +1 + sbc mag_x8 + 1 + sta y1 + 1 + lda y2 + sub mag_x8 + sta y2 + lda y2 +1 + sbc mag_x8 + 1 + sta y2 + 1 + + rts + +.endproc + +.if pages = 2 +; ****************************************************************************** + +.proc SETVIEWPAGE + + ; ---------------------------------------------------------------------- + ; + ; SETVIEWPAGE, page in A + ; + ; ---------------------------------------------------------------------- + +.code + tax + beq cont + lda #32 + +cont: add p0dls + cmp SDLSTH + beq done ; We're already in the desired page + + ldx RTCLOK + 2 + sta SDLSTH + + ; Wait until next VBLANK +wait: cpx RTCLOK + 2 + beq wait + + ; Done +done: rts +.endproc + +; ****************************************************************************** + +.proc SETDRAWPAGE + + ; ---------------------------------------------------------------------- + ; + ; SETDRAWPAGE, page in A + ; + ; ---------------------------------------------------------------------- + +.code + tax + beq @cont + lda #32 +@cont: add p0scr + sta SAVMSC + 1 + rts +.endproc +.endif + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Unimplemented functions that require an error code + ; + ; ---------------------------------------------------------------------- + +CONTROL: + lda #TGI_ERR_INV_FUNC + sta error + ; fall through + +; ****************************************************************************** + + ; ---------------------------------------------------------------------- + ; + ; Unimplemented functions that don't require an error code + ; + ; ---------------------------------------------------------------------- + +INSTALL: +UNINSTALL: +.if pages = 1 +SETVIEWPAGE: +SETDRAWPAGE: +.endif + rts diff --git a/libsrc/atari/tgi_mode_table.s b/libsrc/atari/tgi_mode_table.s new file mode 100644 index 000000000..14995c58a --- /dev/null +++ b/libsrc/atari/tgi_mode_table.s @@ -0,0 +1,40 @@ +; +; Ullrich von Bassewitz, 31.05.2002 +; +; C64 mode table for tgi_map_mode +; + + .export _tgi_mode_table + + .include "tgi-mode.inc" + +;---------------------------------------------------------------------------- +; Mode table. Contains entries of mode and driver name, the driver name being +; null terminated. A mode with code zero terminates the list. The first entry +; defines also the default mode and driver for the system. +; BEWARE: The current implementation of tgi_map_mode does not work with tables +; larger that 255 bytes! + +.rodata + +_tgi_mode_table: + .byte TGI_MODE_320_192_2, "ATARI8.TGI", 0 + .byte TGI_MODE_160_192_4, "ATARI15.TGI", 0 + .byte TGI_MODE_160_192_2, "ATARI14.TGI", 0 + .byte TGI_MODE_160_96_4, "ATARI7.TGI", 0 + .byte TGI_MODE_160_96_2, "ATARI6.TGI", 0 + .byte TGI_MODE_80_48_4, "ATARI5.TGI", 0 + .byte TGI_MODE_80_48_2, "ATARI4.TGI", 0 + .byte TGI_MODE_40_24_4, "ATARI3.TGI", 0 + .byte TGI_MODE_80_192_16b, "ATARI9.TGI", 0 + .byte TGI_MODE_80_192_9, "ATARI10.TGI", 0 + .byte TGI_MODE_80_192_16h, "ATARI11.TGI", 0 + ; Double paged drivers + .byte TGI_MODE_320_192_2_2p, "ATR8P2.TGI", 0 + .byte TGI_MODE_80_192_16b_2p, "ATR9P2.TGI", 0 + .byte TGI_MODE_160_192_4_2p, "ATR15P2.TGI", 0 + .byte TGI_MODE_80_192_9_2p, "ATR10P2.TGI", 0 + + .byte 0 ; End marker + +