From: mrdudz Date: Thu, 28 Dec 2017 00:58:03 +0000 (+0100) Subject: added peek functions for soft80 X-Git-Tag: V2.17~52^2~4 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=0543ecabe2624e0ec73df1e090f386c6d96a3a1e;p=cc65 added peek functions for soft80 --- diff --git a/libsrc/c64/extra/soft80.s b/libsrc/c64/extra/soft80.s index d445c85c0..0ea28cfaf 100644 --- a/libsrc/c64/extra/soft80.s +++ b/libsrc/c64/extra/soft80.s @@ -15,6 +15,22 @@ .export _textcolor := soft80_textcolor ; color.s .export _bgcolor := soft80_bgcolor ; color.s + ; soft80_cpeekc.s + .import soft80_cpeekc + .export _cpeekc := soft80_cpeekc ; cpeekc.s + + ; soft80_cpeekcolor.s + .import soft80_cpeekcolor + .export _cpeekcolor := soft80_cpeekcolor ; cpeekcolor.s + + ; soft80_cpeekrevers.s + .import soft80_cpeekrevers + .export _cpeekrevers := soft80_cpeekrevers ; cpeekrevers.s + + ; soft80_cpeeks.s + .import soft80_cpeeks + .export _cpeeks := soft80_cpeeks ; cpeeks.s + ; soft80_cputc.s .import soft80_cputc .import soft80_cputcxy @@ -50,3 +66,6 @@ ; Chars used by chline () and cvline () .exportzp chlinechar = CH_HLINE .exportzp cvlinechar = CH_VLINE + + .import return1 + .export _doesclrscrafterexit := return1 diff --git a/libsrc/c64/extra/soft80mono.s b/libsrc/c64/extra/soft80mono.s index 6fd2c687c..700cbcb6c 100644 --- a/libsrc/c64/extra/soft80mono.s +++ b/libsrc/c64/extra/soft80mono.s @@ -18,6 +18,22 @@ .export _textcolor := soft80mono_textcolor ; color.s .export _bgcolor := soft80mono_bgcolor ; color.s + ; soft80mono_cpeekc.s + .import soft80_cpeekc + .export _cpeekc := soft80_cpeekc ; cpeekc.s + + ; soft80mono_cpeekcolor.s + .import soft80mono_cpeekcolor + .export _cpeekcolor := soft80mono_cpeekcolor ; cpeekcolor.s + + ; soft80mono_cpeekrevers.s + .import soft80_cpeekrevers + .export _cpeekrevers := soft80_cpeekrevers ; cpeekrevers.s + + ; soft80mono_cpeeks.s + .import soft80_cpeeks + .export _cpeeks := soft80_cpeeks ; cpeeks.s + ; soft80mono_cputc.s .import soft80mono_cputc .import soft80mono_cputcxy @@ -53,3 +69,6 @@ ; Chars used by chline () and cvline () .exportzp chlinechar = CH_HLINE .exportzp cvlinechar = CH_VLINE + + .import return1 + .export _doesclrscrafterexit := return1 diff --git a/libsrc/c64/soft80_cpeekc.s b/libsrc/c64/soft80_cpeekc.s new file mode 100644 index 000000000..2801ade97 --- /dev/null +++ b/libsrc/c64/soft80_cpeekc.s @@ -0,0 +1,168 @@ + + .export soft80_cpeekc, soft80_cpeekchar + + .include "c64.inc" + .include "soft80.inc" + + .macpack longbranch + + .segment "CODE" + +soft80_cpeekc: + jsr soft80_cpeekchar + ldx #0 + rts + +soft80_cpeekchar: + + sei + ;;dec $01 ;; assumed = $36 + ;;dec $01 ;; assumed = $36 + lda #$34 + sta $01 + + lda CURS_X + and #$01 + + jne @l1a + + ; test non-inverted character (left side) + + ldx #0 +@l2aa: + ldy #0 + +;; stx $d020 + + .repeat 8,line +;; jsr readdirect + lda (SCREEN_PTR),y + and #$f0 +; sta $e100,y + cmp soft80_hi_charset+(line*$80),x +; cmp #0 + bne @l2b + .if (line < 7) + iny + .endif + .endrepeat + + +@backok: +;inc $d020 +; inc $01 +; inc $01 + lda #$36 + sta $01 + cli + txa ; return char in A + ; sec +; sbc #$20 + ldx #$00 ; revers flag +;inc $d020 + rts +@l2b: +;jmp * + inx + cpx #$80 + jne @l2aa + + ; test inverted character (left side) + + ldx #0 +@l2aa2: + ldy #0 + +;; stx $d020 + + .repeat 8,line +;; jsr readdirect + lda (SCREEN_PTR),y + and #$f0 + eor #$f0 + cmp soft80_hi_charset+(line*$80),x +; cmp #0 + bne @l2b2 + .if (line < 7) + iny + .endif + .endrepeat + +@backokrevers: +;inc $d020 +; inc $01 +; inc $01 + lda #$36 + sta $01 + cli + txa ; return char in A + ; sec +; sbc #$20 + ldx #$01 ; revers flag +;inc $d020 + rts + +@l2b2: + inx + cpx #$80 + jne @l2aa2 + +@backerr: +;inc $d020 + ;; inc $01 +;; inc $01 + lda #$36 + sta $01 + cli + ldx #0 + txa + + rts + + ; test non-inverted character (right side) + +@l1a: + ldx #0 +@l1aa: + ldy #0 + .repeat 8,line +;; jsr readdirect + lda (SCREEN_PTR),y + and #$0f + eor soft80_lo_charset+(line*$80),x + bne @l2bb + .if line < 7 + iny + .endif + .endrepeat + jmp @backok +@l2bb: + inx + cpx #$80 + bne @l1aa + + ; test inverted character (right side) + + ldx #0 +@l1aa2: + ldy #0 + .repeat 8,line +;; jsr readdirect + lda (SCREEN_PTR),y + and #$0f + eor #$0f + eor soft80_lo_charset+(line*$80),x + bne @l2bb2 + .if line < 7 + iny + .endif + .endrepeat + jmp @backokrevers +@l2bb2: + inx + cpx #$80 + bne @l1aa2 + + + jmp @backerr + diff --git a/libsrc/c64/soft80_cpeekcolor.s b/libsrc/c64/soft80_cpeekcolor.s new file mode 100644 index 000000000..c8f1c6e43 --- /dev/null +++ b/libsrc/c64/soft80_cpeekcolor.s @@ -0,0 +1,19 @@ +; +; 2017-12-27, Groepaz +; +; unsigned char cpeekcolor (void); +; + + .export soft80_cpeekcolor + + .include "c64.inc" + .include "soft80.inc" + + .segment "CODE" + +soft80_cpeekcolor: + ldy #0 + lda (CRAM_PTR),y + and #$0f + ldx #0 + rts diff --git a/libsrc/c64/soft80_cpeekrevers.s b/libsrc/c64/soft80_cpeekrevers.s new file mode 100644 index 000000000..6fc0c166a --- /dev/null +++ b/libsrc/c64/soft80_cpeekrevers.s @@ -0,0 +1,10 @@ + + .import soft80_cpeekchar + + .export soft80_cpeekrevers + +soft80_cpeekrevers: + jsr soft80_cpeekchar + txa + ldx #0 + rts diff --git a/libsrc/c64/soft80_cpeeks.s b/libsrc/c64/soft80_cpeeks.s new file mode 100644 index 000000000..837afef1e --- /dev/null +++ b/libsrc/c64/soft80_cpeeks.s @@ -0,0 +1,71 @@ +; +; 2017-12-27, groepaz +; +; void cpeeks (char* s, unsigned length); +; + .export soft80_cpeeks + .import soft80_cpeekc, soft80_kplot, popax + + .importzp ptr1, ptr2 + + .include "c64.inc" + .include "soft80.inc" + +soft80_cpeeks: + eor #<$FFFF ; counting a word upward is faster + sta ptr2 ; so, we use -(length + 1) + txa + eor #>$FFFF + sta ptr2+1 + + jsr popax + sta ptr1 + stx ptr1+1 + + ; save current cursor position + lda CURS_X + pha + lda CURS_Y + pha + + ; get the string +@lp: + jsr soft80_cpeekc + ldy #0 + sta (ptr1),y + + ; advance cursor position + ldy CURS_X + ldx CURS_Y + iny + cpy #charsperline + bne @sk2 + ldy #0 + inx +@sk2: + sty CURS_X + stx CURS_Y + clc + jsr soft80_kplot + + inc ptr1 + bne @sk + inc ptr1+1 +@sk: + inc ptr2 + bne @lp + inc ptr2+1 + bne @lp + + ; terminate the string + lda #0 + ldy #0 + sta (ptr1),y + + ; restore the cursor position + pla + tax ; CURS_Y + pla + tay ; CURS_X + clc + jmp soft80_kplot diff --git a/libsrc/c64/soft80mono_cpeekcolor.s b/libsrc/c64/soft80mono_cpeekcolor.s new file mode 100644 index 000000000..a03875a74 --- /dev/null +++ b/libsrc/c64/soft80mono_cpeekcolor.s @@ -0,0 +1,17 @@ +; +; 2017-12-27, Groepaz +; +; unsigned char cpeekcolor (void); +; + + .export soft80mono_cpeekcolor + + .include "c64.inc" + .include "soft80.inc" + + .segment "CODE" + +soft80mono_cpeekcolor: + lda CHARCOLOR + ldx #0 + rts