[Telestrat] TGI initialization, some bugs (clrscr) correction, cgetc optimization, irq management
;
; Oric Telemon definition
-; Telemon 2.4 & Telemon 3.0
-; For telemon 3.0 check http://orix.oric.org
+; Telemon 2.4 & Telemon 3.x
+; For telemon 3.x check http://orix.oric.org
;
FNAME_LEN = 11 ; maximum length of file-name
+; ---------------------------------------------------------------------------
+; I/O Identifier
+; this identifers are used for channel management
+;
+
+XKBD = $80 ; Keyboard
+XRSE = $83 ; RS232 in
+XSCR = $88 ; Screen
+XRSS = $90 ; RS232 out
; ---------------------------------------------------------------------------
TR6 := $12
TR7 := $13
-
-
-
-PTR_READ_DEST := $2C ; used for XFREAD and XWRITE only in telemon 3.0
+PTR_READ_DEST := $2C ; used for XFREAD and XWRITE only in telemon 3.x
HRSX := $46
HRSY := $47
HRS4 := $53
HRS5 := $55
-
+HRSFB := $57
+
+; RS232T
+; b0-b3 : speed
+; 1111 => 19200 bps (please note that telestrat can't handle this speed without stopping all IRQ except ACIA's one)
+; 1100 => 9600 bps (default from telemon)
+; 1110 => 4800 bps
+; 1010 => 2400 bps
+; 1000 => 1200 bps
+; 0111 => 600 bps
+; 0110 => 300 bps
+; 0101 => 150 bps
+; 0010 => 75 bps
+
+; b4 : 0 external clock, 1 internal clock
+; b6-b5 : 00 8 bits
+; 01 7 bits
+; 10 6 bits
+; 11 5 bits
+; b7 : 0 a stop
+
+RS232T := $59
+
+; RS232C
+; b0-b3 : 0
+; b4 : 1 if echo
+; b5 : 1 if parity
+; b7-b6 : 00 in/out parity odd
+; : 01 on/out parity even
+; : 10 parity sent, answer not tested
+; : 11 SPACE SENT, reception not tested
+
+RS232C := $5A
; ---------------------------------------------------------------------------
; Low memory
-
+IRQVec := $02FB ; "fast" interrupt vector
.endstruct
-.struct VIA2 ; Versatile Interface Adapter
+.struct VIA2 ; Versatile Interface Adapter
.res $0320
PRB .byte ; Port Register B
PRA .byte ; Port Register A
; ---------------------------------------------------------------------------
; ROM entries
-; primitives telemon 2.4
+; telemon primitives (2.4 & 3.x)
XRD0 = $08
XRDW0 = $0C
XWR0 = $10
XHIRES = $1A
XFILLM = $1C
XMINMA = $1F
-XVARS = $24 ; only in TELEMON 3.0, in telemon 2.4, it's XNOMFI ($24)
-XFREAD = $27 ; only in TELEMON 3.0
-XOPEN = $30 ; only in TELEMON 3.0
+XVARS = $24 ; only in TELEMON 3.x, in telemon 2.4, it's XNOMFI ($24)
+XFREAD = $27 ; only in TELEMON 3.x
+XOPEN = $30 ; only in TELEMON 3.x
XCOSCR = $34 ; switch off cursor
XCSSCR = $35 ; switch on cursor
-XCLOSE = $3A ; only in TELEMON 3.0 Close file
-XFWRITE = $3B ; only in TELEMON 3.0 write file
+XCLOSE = $3A ; only in TELEMON 3.x Close file
+XFWRITE = $3B ; only in TELEMON 3.x write file
XSONPS = $40
XOUPS = $42
XPLAY = $43
XMUSIC = $45
XZAP = $46
XSHOOT = $47
+XSOUT = $67 ; Send A register to RS232, available in telemon 2.4 & 3.x
+XHRSSE = $8C ; Put in X and Y
+XDRAWA = $8D ; Draw a line
+XDRAWR = $8E ; Draw a line
XCIRCL = $8F
XCURSE = $90
+XCURMO = $91
XPAPER = $92
XINK = $93
+XBOX = $94
+XABOX = $95
+XFILL = $96
+XCHAR = $97
+XSCHAR = $98 ; Draw a string
XEXPLO = $9C
XPING = $9D
SCRY := $224
ADSCRL := $218
ADSCRH := $21C
+HRSPAT := $2AA ; Hires pattern : it's used to draw pattern for a line or a circle
IRQVECTOR := $2FA
+
+/* Color defines */
+#define COLOR_BLACK 0x00
+#define COLOR_RED 0x01
+#define COLOR_GREEN 0x02
+#define COLOR_YELLOW 0x03
+#define COLOR_BLUE 0x04
+#define COLOR_MAGENTA 0x05
+#define COLOR_CYAN 0x06
+#define COLOR_WHITE 0x07
+
+/* TGI color defines */
+/* White and red are swapped, so that the pallete
+** driver is compatible with black-and-white drivers.
+*/
+#define TGI_COLOR_BLACK COLOR_BLACK
+#define TGI_COLOR_WHITE 1
+#define TGI_COLOR_GREEN COLOR_GREEN
+#define TGI_COLOR_YELLOW COLOR_YELLOW
+#define TGI_COLOR_BLUE COLOR_BLUE
+#define TGI_COLOR_MAGENTA COLOR_MAGENTA
+#define TGI_COLOR_CYAN COLOR_CYAN
+#define TGI_COLOR_RED 7
+
+
+extern void telestrat_228_200_3_tgi[];
+extern void telestrat_240_200_2_tgi[]; /* Referred to by tgi_static_stddrv[] */
+
+/* Define hardware */
+#include <_6522.h>
+#define VIA (*(struct __6522*)0x300)
+
+
+
+/* These are defined to be FUNCT + NumberKey */
+#define CH_F1 0xB1
+#define CH_F2 0xB2
+#define CH_F3 0xB3
+#define CH_F4 0xB4
+#define CH_F5 0xB5
+#define CH_F6 0xB6
+#define CH_F7 0xB7
+#define CH_F8 0xB8
+#define CH_F9 0xB9
+#define CH_F10 0xB0
+
+
+
+/* Character codes */
+#define CH_ULCORNER '+'
+#define CH_URCORNER '+'
+#define CH_LLCORNER '+'
+#define CH_LRCORNER '+'
+#define CH_TTEE '+'
+#define CH_BTEE '+'
+#define CH_LTEE '+'
+#define CH_RTEE '+'
+#define CH_CROSS '+'
+#define CH_CURS_UP 11
+#define CH_CURS_DOWN 10
+#define CH_CURS_LEFT 8
+#define CH_CURS_RIGHT 9
+#define CH_DEL 127
+#define CH_ENTER 13
+#define CH_STOP 3
+#define CH_LIRA 95
+#define CH_ESC 27
+
+
+
void oups();
void ping();
void zap();
.proc _cgetc
; this routine could be quicker if we wrote in page 2 variables,
; but it's better to use telemon routine in that case, because telemon can manage 4 I/O
- lda cursor ; if cursor equal to 0, then switch off cursor
+ ldx cursor ; if cursor equal to 0, then switch off cursor
beq switchoff_cursor
ldx #$00 ; x is the first screen
jmp loop ; could be replaced by a bne/beq but 'jmp' is cleaner than a bne/beq which could expect some matters
switchoff_cursor:
- ldx #$00 ; x is the first screen
+ ; at this step X is equal to $00, X must be set, because it's the id of the screen (telestrat can handle 4 virtuals screen)
BRK_TELEMON(XCOSCR) ; switch off cursor
loop:
.include "telestrat.inc"
.proc _clrscr
+ ; Switch to text mode
+ BRK_TELEMON(XTEXT)
+
lda #<SCREEN
ldy #>SCREEN
sta RES
--- /dev/null
+;
+; IRQ handling (Oric version)
+;
+
+ .export initirq, doneirq
+ .import callirq
+
+ .include "telestrat.inc"
+
+; ------------------------------------------------------------------------
+
+.segment "ONCE"
+
+initirq:
+ lda IRQVec
+ ldx IRQVec+1
+ sta IRQInd+1
+ stx IRQInd+2
+ lda #<IRQStub
+ ldx #>IRQStub
+ jmp setvec
+
+; ------------------------------------------------------------------------
+
+.code
+
+doneirq:
+ lda IRQInd+1
+ ldx IRQInd+2
+setvec: sei
+ sta IRQVec
+ stx IRQVec+1
+ cli
+ rts
+
+; ------------------------------------------------------------------------
+
+.segment "LOWCODE"
+
+IRQStub:
+ cld ; Just to be sure
+ pha
+ txa
+ pha
+ tya
+ pha
+ jsr callirq ; Call the functions
+ pla
+ tay
+ pla
+ tax
+ pla
+ jmp IRQInd ; Jump to the saved IRQ vector
+
+; ------------------------------------------------------------------------
+
+.data
+
+IRQInd: jmp $0000
--- /dev/null
+;
+; Jede (jede@oric.org), 2017-10-16
+;
+
+ .export tgi_libref
+ .import _exit
+
+tgi_libref := _exit
--- /dev/null
+;
+; Graphics driver for the 228x200x3 palette mode on the Telestrat
+;
+; Jede (jede@oric.org), 2017-10-15
+
+ .include "zeropage.inc"
+
+ .include "tgi-kernel.inc"
+ .include "tgi-error.inc"
+ .include "telestrat.inc"
+
+ .macpack generic
+ .macpack module
+
+XSIZE = 6 ; System font width
+YSIZE = 8 ; System font height
+
+; ------------------------------------------------------------------------
+; Header. Includes jump table and constants.
+
+ module_header _telestrat_228_200_3_tgi
+
+; The first part of the header is a structure that has a signature,
+; and defines the capabilities of the driver.
+
+ .byte "tgi"
+ .byte TGI_API_VERSION ; TGI API version number
+ .addr $0000 ; Library reference
+ .word 228 ; x resolution
+ .word 200 ; y resolution
+ .byte 3 ; Number of drawing colors
+ .byte 1 ; Number of screens available
+ .byte XSIZE ; System font x size
+ .byte YSIZE ; System font y size
+ .word $011C ; Aspect ratio (based on 4/3 display)
+ .byte 0 ; TGI driver flags
+
+; Next comes the jump table. Currently, all entries must be valid;
+; and, may point to an RTS, for test versions (function not implemented).
+
+ .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 CIRCLE
+ .addr TEXTSTYLE
+ .addr OUTTEXT
+ .addr 0 ; IRQ entry is unused
+
+; ------------------------------------------------------------------------
+; Data.
+
+; Variables mapped to the zero-page segment variables. These are
+; used for passing parameters to the driver.
+
+X1 := ptr1
+Y1 := ptr2
+X2 := ptr3
+Y2 := ptr4
+
+; Absolute variables used in the code
+
+.bss
+
+ERROR: .res 1 ; Error code
+MODE: .res 1 ; Graphics mode
+PALETTE: .res 2
+
+; Constant table
+
+.rodata
+
+; Default colors: black background, white foreground
+; (The third "color" actually flips a pixel
+; between the foreground and background colors.)
+;
+DEFPALETTE: .byte 0, 1
+
+.code
+
+; ------------------------------------------------------------------------
+; INIT: Changes an already installed device from text mode to graphics mode.
+; Note that INIT/DONE may be called multiple times while the driver
+; is loaded, while INSTALL is called only once. So, any code that is needed
+; to initialize variables and so on must go here. Setting palette and
+; clearing the screen are not needed because they are called by the graphics
+; kernel later.
+; The graphics kernel never will call INIT when a graphics mode is already
+; active, so there is no need to protect against that.
+;
+; Must set an error code: YES
+;
+
+INIT:
+
+; Switch into graphics mode.
+ BRK_TELEMON(XHIRES)
+
+; Done, reset the error code.
+
+ lda #TGI_ERR_OK
+ sta ERROR
+ rts
+
+; ------------------------------------------------------------------------
+; GETERROR: Return the error code in A, and clear it.
+
+GETERROR:
+ ldx #TGI_ERR_OK
+ lda ERROR
+ stx ERROR
+ rts
+; ------------------------------------------------------------------------
+; INSTALL routine. Is called after the driver is loaded into memory. May
+; initialize anything that has to be done just once. Is probably empty
+; most of the time.
+;
+; Must set an error code: NO
+;
+
+INSTALL:
+
+; ------------------------------------------------------------------------
+; UNINSTALL routine. Is called before the driver is removed from memory. May
+; clean up anything done by INSTALL, but probably is empty most of the time.
+;
+; Must set an error code: NO
+;
+
+UNINSTALL:
+ rts
+
+; ------------------------------------------------------------------------
+; DONE: Will be called to switch the graphics device back into text mode.
+; The graphics kernel never will call DONE when no graphics mode is active,
+; so there is no need to protect against that.
+;
+; Must set an error code: NO
+;
+
+DONE:
+ BRK_TELEMON(XTEXT)
+ rts
+; ------------------------------------------------------------------------
+; CONTROL: Platform-/driver-specific entry point.
+;
+; Must set an error code: YES
+;
+
+CONTROL:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; CLEAR: Clears the screen.
+;
+; Must set an error code: NO
+;
+
+CLEAR:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; SETVIEWPAGE: Set the visible page. Called with the new page in A (0..n).
+; The page number already is checked to be valid, by the graphics kernel.
+;
+; Must set an error code: NO (will be called only if page OK)
+;
+
+SETVIEWPAGE:
+
+; ------------------------------------------------------------------------
+; SETDRAWPAGE: Set the drawable page. Called with the new page in A (0..n).
+; The page number already is checked to be valid, by the graphics kernel.
+;
+; Must set an error code: NO (will be called only if page OK)
+;
+
+SETDRAWPAGE:
+ rts
+
+; ------------------------------------------------------------------------
+; SETCOLOR: Set the drawing color (in A). The new color already is checked
+; to be in a valid range (0..maxcolor-1).
+;
+; Must set an error code: NO (will be called only if color OK)
+;
+
+SETCOLOR:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; SETPALETTE: Set the palette (not available with all drivers/hardware).
+; A pointer to the palette is passed in ptr1. Must set an error if palettes
+; are not supported.
+;
+; Must set an error code: YES
+;
+
+SETPALETTE:
+ ; not done yet
+ rts
+
+flipcolor:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; GETPALETTE: Return the current palette in A/X. Even drivers that cannot
+; set the palette should return the default palette here, so there's no
+; way for this function to fail.
+;
+; Must set an error code: NO
+;
+
+GETPALETTE:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; GETDEFPALETTE: Return the default palette for the driver in A/X. All
+; drivers should return something reasonable here, even drivers that don't
+; support palettes; otherwise, the caller has no way to determine the colors
+; of the (not changeable) palette.
+;
+; Must set an error code: NO (all drivers must have a default palette)
+;
+
+GETDEFPALETTE:
+ lda #<DEFPALETTE
+ ldx #>DEFPALETTE
+ rts
+
+; ------------------------------------------------------------------------
+; SETPIXEL: Draw one pixel at X1/Y1 = ptr1/ptr2 with the current drawing
+; color. The co-ordinates passed to this function are never outside the
+; visible screen area, so there is no need for clipping inside this function.
+;
+; Must set an error code: NO
+;
+
+SETPIXEL:
+
+ lda X1
+ sta HRS1
+ lda Y1
+ sta HRS2
+
+ lda #$80
+ sta HRSFB
+
+ BRK_TELEMON(XCURSE)
+
+ rts
+
+; ------------------------------------------------------------------------
+; GETPIXEL: Read the color value of a pixel, and return it in A/X. The
+; co-ordinates passed to this function are never outside the visible screen
+; area, so there is no need for clipping inside this function.
+
+GETPIXEL:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; LINE: Draw a line from X1/Y1 to X2/Y2, where X1/Y1 = ptr1/ptr2 and
+; X2/Y2 = ptr3/ptr4, using the current drawing color.
+;
+; Must set an error code: NO
+;
+
+LINE:
+ ; not done yet
+ rts
+
+CIRCLE:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; BAR: Draw a filled rectangle with the corners X1/Y1, X2/Y2, where
+; X1/Y1 = ptr1/ptr2 and X2/Y2 = ptr3/ptr4, using the current drawing color.
+; Contrary to most other functions, the graphics kernel will sort and clip
+; the co-ordinates before calling the driver; so, on entry, the following
+; conditions are valid:
+; X1 <= X2
+; Y1 <= Y2
+; (X1 >= 0) && (X1 < XRES)
+; (X2 >= 0) && (X2 < XRES)
+; (Y1 >= 0) && (Y1 < YRES)
+; (Y2 >= 0) && (Y2 < YRES)
+;
+; Must set an error code: NO
+;
+
+BAR:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; TEXTSTYLE: Set the style used when calling OUTTEXT. Text scaling in the x
+; and y directions is passed in X/Y, the text direction is passed in A.
+;
+; Must set an error code: NO
+;
+
+TEXTSTYLE:
+ rts
+
+
+; ------------------------------------------------------------------------
+; OUTTEXT: Output text at x/y = ptr1/ptr2, using the current color and the
+; current text style. The text to output is given as a zero-terminated
+; string with its address in ptr3.
+;
+; Must set an error code: NO
+;
+
+OUTTEXT:
+ ; not done yet
+ rts
--- /dev/null
+;
+; Graphics driver for the 240x200x2 monochrome mode on the Atmos
+;
+; Jede (jede@oric.org), 2017-10-15
+
+
+ .include "zeropage.inc"
+
+ .include "tgi-kernel.inc"
+ .include "tgi-error.inc"
+ .include "telestrat.inc"
+
+ .macpack generic
+ .macpack module
+
+XSIZE = 6 ; System font width
+YSIZE = 8 ; System font height
+
+; ------------------------------------------------------------------------
+; Header. Includes jump table and constants.
+
+ module_header _telestrat_240_200_2_tgi
+
+; First part of the header is a structure that has a magic and defines the
+; capabilities of the driver
+
+ .byte $74, $67, $69 ; "tgi"
+ .byte TGI_API_VERSION ; TGI API version number
+ .addr $0000 ; Library reference
+ .word 240 ; X resolution
+ .word 200 ; Y resolution
+ .byte 2 ; Number of drawing colors
+ .byte 1 ; Number of screens available
+ .byte XSIZE ; System font X size
+ .byte YSIZE ; System font Y size
+ .word $011C ; Aspect ratio (based on 4/3 display)
+ .byte 0 ; TGI driver flags
+
+; Next comes the jump table. Currently all entries must be valid and may point
+; to an RTS for test versions (function not implemented).
+
+ .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
+
+; ------------------------------------------------------------------------
+; Data.
+
+; Variables mapped to the zero page segment variables. Some of these are
+; used for passing parameters to the driver.
+
+X1 := ptr1
+Y1 := ptr2
+X2 := ptr3
+Y2 := ptr4
+
+; Absolute variables used in the code
+
+.bss
+
+ERROR: .res 1 ; Error code
+MODE: .res 1 ; Graphics mode
+
+; Constant table
+
+.rodata
+
+DEFPALETTE: .byte 0, 1
+
+.code
+
+; ------------------------------------------------------------------------
+; INSTALL routine. Is called after the driver is loaded into memory. May
+; initialize anything that has to be done just once. Is probably empty
+; most of the time.
+;
+; Must set an error code: NO
+;
+
+INSTALL:
+
+; ------------------------------------------------------------------------
+; UNINSTALL routine. Is called before the driver is removed from memory. May
+; clean up anything done by INSTALL but is probably empty most of the time.
+;
+; Must set an error code: NO
+;
+
+UNINSTALL:
+ rts
+
+; ------------------------------------------------------------------------
+; INIT: Changes an already installed device from text mode to graphics
+; mode.
+; Note that INIT/DONE may be called multiple times while the driver
+; is loaded, while INSTALL is only called once, so any code that is needed
+; to initializes variables and so on must go here. Setting palette and
+; clearing the screen is not needed because this is called by the graphics
+; kernel later.
+; The graphics kernel will never call INIT when a graphics mode is already
+; active, so there is no need to protect against that.
+;
+; Must set an error code: YES
+;
+
+INIT:
+
+; Switch into graphics mode
+
+ BRK_TELEMON(XHIRES)
+
+; Done, reset the error code
+
+ lda #TGI_ERR_OK
+ sta ERROR
+ rts
+
+; ------------------------------------------------------------------------
+; DONE: Will be called to switch the graphics device back into text mode.
+; The graphics kernel will never call DONE when no graphics mode is active,
+; so there is no need to protect against that.
+;
+; Must set an error code: NO
+;
+
+DONE:
+ BRK_TELEMON(XTEXT)
+ rts
+
+; ------------------------------------------------------------------------
+; GETERROR: Return the error code in A and clear it.
+
+GETERROR:
+ ldx #TGI_ERR_OK
+ lda ERROR
+ stx ERROR
+ rts
+
+; ------------------------------------------------------------------------
+; CONTROL: Platform/driver specific entry point.
+;
+; Must set an error code: YES
+;
+
+CONTROL:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; CLEAR: Clears the screen.
+;
+; Must set an error code: NO
+;
+
+CLEAR:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; SETVIEWPAGE: Set the visible page. Called with the new page in A (0..n).
+; The page number is already checked to be valid by the graphics kernel.
+;
+; Must set an error code: NO (will only be called if page ok)
+;
+
+SETVIEWPAGE:
+
+; ------------------------------------------------------------------------
+; SETDRAWPAGE: Set the drawable page. Called with the new page in A (0..n).
+; The page number is already checked to be valid by the graphics kernel.
+;
+; Must set an error code: NO (will only be called if page ok)
+;
+
+SETDRAWPAGE:
+ rts
+
+; ------------------------------------------------------------------------
+; SETCOLOR: Set the drawing color (in A). The new color is already checked
+; to be in a valid range (0..maxcolor-1).
+;
+; Must set an error code: NO (will only be called if color ok)
+;
+
+SETCOLOR:
+ ;not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; SETPALETTE: Set the palette (not available with all drivers/hardware).
+; A pointer to the palette is passed in ptr1. Must set an error if palettes
+; are not supported
+;
+; Must set an error code: YES
+;
+
+SETPALETTE:
+ lda #TGI_ERR_INV_FUNC ; This resolution has no palette
+ sta ERROR
+ rts
+
+; ------------------------------------------------------------------------
+; GETPALETTE: Return the current palette in A/X. Even drivers that cannot
+; set the palette should return the default palette here, so there's no
+; way for this function to fail.
+;
+; Must set an error code: NO
+;
+
+GETPALETTE:
+
+; ------------------------------------------------------------------------
+; GETDEFPALETTE: Return the default palette for the driver in A/X. All
+; drivers should return something reasonable here, even drivers that don't
+; support palettes, otherwise the caller has no way to determine the colors
+; of the (not changeable) palette.
+;
+; Must set an error code: NO (all drivers must have a default palette)
+;
+
+GETDEFPALETTE:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; SETPIXEL: Draw one pixel at X1/Y1 = ptr1/ptr2 with the current drawing
+; color. The coordinates passed to this function are never outside the
+; visible screen area, so there is no need for clipping inside this function.
+;
+; Must set an error code: NO
+;
+
+SETPIXEL:
+
+ lda X1
+ sta HRS1
+ lda Y1
+ sta HRS2
+
+ lda #$80 ; curset on
+ sta HRSFB
+
+ BRK_TELEMON(XCURSE)
+
+ rts
+
+; ------------------------------------------------------------------------
+; GETPIXEL: Read the color value of a pixel and return it in A/X. The
+; coordinates passed to this function are never outside the visible screen
+; area, so there is no need for clipping inside this function.
+
+GETPIXEL:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; LINE: Draw a line from X1/Y1 to X2/Y2, where X1/Y1 = ptr1/ptr2 and
+; X2/Y2 = ptr3/ptr4 using the current drawing color.
+;
+; Must set an error code: NO
+;
+
+LINE:
+ ; not done yet
+ rts
+
+CIRCLE:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; BAR: Draw a filled rectangle with the corners X1/Y1, X2/Y2, where
+; X1/Y1 = ptr1/ptr2 and X2/Y2 = ptr3/ptr4 using the current drawing color.
+; Contrary to most other functions, the graphics kernel will sort and clip
+; the coordinates before calling the driver, so on entry the following
+; conditions are valid:
+; X1 <= X2
+; Y1 <= Y2
+; (X1 >= 0) && (X1 < XRES)
+; (X2 >= 0) && (X2 < XRES)
+; (Y1 >= 0) && (Y1 < YRES)
+; (Y2 >= 0) && (Y2 < YRES)
+;
+; Must set an error code: NO
+;
+
+BAR:
+ ; not done yet
+ rts
+
+; ------------------------------------------------------------------------
+; TEXTSTYLE: Set the style used when calling OUTTEXT. Text scaling in X and Y
+; direction is passend in X/Y, the text direction is passed in A.
+;
+; Must set an error code: NO
+;
+
+TEXTSTYLE:
+ rts
+
+
+; ------------------------------------------------------------------------
+; OUTTEXT: Output text at X/Y = ptr1/ptr2 using the current color and the
+; current text style. The text to output is given as a zero terminated
+; string with address in ptr3.
+;
+; Must set an error code: NO
+;
+
+OUTTEXT:
+ ; Not done yet
+ rts
--- /dev/null
+;
+; Target-specific black & white values for use by the target-shared TGI kernel
+;
+
+ .include "tgi-kernel.inc"
+
+ .export tgi_color_black:zp = $00
+ .export tgi_color_white:zp = $01
--- /dev/null
+;
+; Address of the static standard tgi driver
+;
+; Jede (jede@oric.org), 2017-10-15
+;
+; const void tgi_static_stddrv[];
+;
+
+ .export _tgi_static_stddrv
+ .import _telestrat_240_200_2_tgi
+
+.rodata
+
+_tgi_static_stddrv := _telestrat_240_200_2_tgi
projects / cc65 / commitdiff