1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
;
; 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-error.inc"
.macpack generic
; ******************************************************************************
; ----------------------------------------------------------------------
;
; Constants and tables
;
; ----------------------------------------------------------------------
; Graphics mode
grmode = 9
; X resolution
x_res = 80
; Y resolution
y_res = 192
; Number of colors
colors = 16
; Pixels per byte
ppb = 2
; Screen memory size in bytes
scrsize = x_res * y_res / ppb
; Pixel aspect ratio
aspect = $0330 ; based on 4/3 display
; Free memory needed
mem_needed = 7147
; Number of screen pages
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"
|
