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This commit is contained in:
Karri Kaksonen 2022-04-16 21:22:44 +03:00 committed by mrdudz
parent 057fd866da
commit a2aaeb0d1d
1 changed files with 158 additions and 158 deletions
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316
libsrc/atari7800/conio.s
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@ -8,11 +8,11 @@
.constructor initconio
.include "atari7800.inc"
.import _font160
.import _get_tv
.export _screen
.export _zones
.export _dll
.import _font160
.import _get_tv
.export _screen
.export _zones
.export _dll
.bss
_screen:
@ -22,43 +22,43 @@ _screen:
; Macros used to generate lists
.macro DLLentry offset, addr
.byte offset
.byte >addr
.byte <addr
.byte offset
.byte >addr
.byte <addr
.endmacro
.macro NullHeader offset, zero
.byte offset
.byte zero
.byte offset
.byte zero
.endmacro
.macro Header addr, palwidth, hpos
.byte <addr
.byte palwidth
.byte >addr
.byte hpos
.byte <addr
.byte palwidth
.byte >addr
.byte hpos
.endmacro
.macro XHeader addr, flags, palwidth, hpos
.byte <addr
.byte flags
.byte >addr
.byte palwidth
.byte hpos
.byte <addr
.byte flags
.byte >addr
.byte palwidth
.byte hpos
.endmacro
.macro TextZone row
; Text
.byte <(_screen + row * charsperline)
.byte $60
.byte >(_screen + row * charsperline)
.byte 12
.byte 0
; Cursor
.byte 254
.byte 0
.byte >_font160
.byte 0
; Text
.byte <(_screen + row * charsperline)
.byte $60
.byte >(_screen + row * charsperline)
.byte 12
.byte 0
; Cursor
.byte 254
.byte 0
.byte >_font160
.byte 0
.endmacro
;-----------------------------------------------------------------------------
@ -68,155 +68,155 @@ _screen:
.data
_zones:
zone0: TextZone 0
nh: NullHeader 0, 0
zone1: TextZone 1
NullHeader 0, 0
zone2: TextZone 2
NullHeader 0, 0
zone3: TextZone 3
NullHeader 0, 0
zone4: TextZone 4
NullHeader 0, 0
zone5: TextZone 5
NullHeader 0, 0
zone6: TextZone 6
NullHeader 0, 0
zone7: TextZone 7
NullHeader 0, 0
zone8: TextZone 8
NullHeader 0, 0
zone9: TextZone 9
NullHeader 0, 0
zone10: TextZone 10
NullHeader 0, 0
zone11: TextZone 11
NullHeader 0, 0
zone12: TextZone 12
NullHeader 0, 0
zone13: TextZone 13
NullHeader 0, 0
zone14: TextZone 14
NullHeader 0, 0
zone15: TextZone 15
NullHeader 0, 0
zone16: TextZone 16
NullHeader 0, 0
zone17: TextZone 17
NullHeader 0, 0
zone18: TextZone 18
NullHeader 0, 0
zone19: TextZone 19
NullHeader 0, 0
zone20: TextZone 20
NullHeader 0, 0
zone21: TextZone 21
NullHeader 0, 0
zone22: TextZone 22
NullHeader 0, 0
zone23: TextZone 23
NullHeader 0, 0
zone24: TextZone 24
NullHeader 0, 0
zone25: TextZone 25
NullHeader 0, 0
zone26: TextZone 26
NullHeader 0, 0
zone27: TextZone 27
NullHeader 0, 0
zone0: TextZone 0
nh: NullHeader 0, 0
zone1: TextZone 1
NullHeader 0, 0
zone2: TextZone 2
NullHeader 0, 0
zone3: TextZone 3
NullHeader 0, 0
zone4: TextZone 4
NullHeader 0, 0
zone5: TextZone 5
NullHeader 0, 0
zone6: TextZone 6
NullHeader 0, 0
zone7: TextZone 7
NullHeader 0, 0
zone8: TextZone 8
NullHeader 0, 0
zone9: TextZone 9
NullHeader 0, 0
zone10: TextZone 10
NullHeader 0, 0
zone11: TextZone 11
NullHeader 0, 0
zone12: TextZone 12
NullHeader 0, 0
zone13: TextZone 13
NullHeader 0, 0
zone14: TextZone 14
NullHeader 0, 0
zone15: TextZone 15
NullHeader 0, 0
zone16: TextZone 16
NullHeader 0, 0
zone17: TextZone 17
NullHeader 0, 0
zone18: TextZone 18
NullHeader 0, 0
zone19: TextZone 19
NullHeader 0, 0
zone20: TextZone 20
NullHeader 0, 0
zone21: TextZone 21
NullHeader 0, 0
zone22: TextZone 22
NullHeader 0, 0
zone23: TextZone 23
NullHeader 0, 0
zone24: TextZone 24
NullHeader 0, 0
zone25: TextZone 25
NullHeader 0, 0
zone26: TextZone 26
NullHeader 0, 0
zone27: TextZone 27
NullHeader 0, 0
_dll:
PALscanlines: ; 25 lines
DLLentry 15, nh
DLLentry 8, nh
PALscanlines: ; 25 lines
DLLentry 15, nh
DLLentry 8, nh
Topscanlines: ; 9 lines
DLLentry 8, nh
Topscanlines: ; 9 lines
DLLentry 8, nh
Displaylines:
DLLentry $80+7, zone0 ; NMI interrupt from end of prev zone
DLLentry 7, zone1
DLLentry 7, zone2
DLLentry 7, zone3
DLLentry 7, zone4
DLLentry 7, zone5
DLLentry 7, zone6
DLLentry 7, zone7
DLLentry 7, zone8
DLLentry 7, zone9
DLLentry 7, zone10
DLLentry 7, zone11
DLLentry 7, zone12
DLLentry 7, zone13
DLLentry 7, zone14
DLLentry 7, zone15
DLLentry 7, zone16
DLLentry 7, zone17
DLLentry 7, zone18
DLLentry 7, zone19
DLLentry 7, zone20
DLLentry 7, zone21
DLLentry 7, zone22
DLLentry 7, zone23
DLLentry 7, zone24
DLLentry 7, zone25
DLLentry 7, zone26
DLLentry 7, zone27
DLLentry $80+7, zone0 ; NMI interrupt from end of prev zone
DLLentry 7, zone1
DLLentry 7, zone2
DLLentry 7, zone3
DLLentry 7, zone4
DLLentry 7, zone5
DLLentry 7, zone6
DLLentry 7, zone7
DLLentry 7, zone8
DLLentry 7, zone9
DLLentry 7, zone10
DLLentry 7, zone11
DLLentry 7, zone12
DLLentry 7, zone13
DLLentry 7, zone14
DLLentry 7, zone15
DLLentry 7, zone16
DLLentry 7, zone17
DLLentry 7, zone18
DLLentry 7, zone19
DLLentry 7, zone20
DLLentry 7, zone21
DLLentry 7, zone22
DLLentry 7, zone23
DLLentry 7, zone24
DLLentry 7, zone25
DLLentry 7, zone26
DLLentry 7, zone27
Bottomscanlines:
DLLentry $80+15, nh ; NMI interrupt at end of display
DLLentry 9, nh
DLLentry 15, nh
DLLentry 8, nh
DLLentry $80+15, nh ; NMI interrupt at end of display
DLLentry 9, nh
DLLentry 15, nh
DLLentry 8, nh
;-----------------------------------------------------------------------------
; Set up the screen to 320a mode
;
.segment "ONCE"
CTRL_MODE160 .set 0
CTRL_MODEAC .set 3
CTRL_KANGOFF .set 0
CTRL_BCBLACK .set 0
CTRL_CHAR1B .set 0
CTRL_CHAR2B .set $10
CTRL_DMAON .set $40
CTRL_CKOFF .set 0
CTRL_MODE160 .set 0
CTRL_MODEAC .set 3
CTRL_KANGOFF .set 0
CTRL_BCBLACK .set 0
CTRL_CHAR1B .set 0
CTRL_CHAR2B .set $10
CTRL_DMAON .set $40
CTRL_CKOFF .set 0
;-----------------------------------------------------------------------------
; Initialize the conio display lists and zones
;
.proc initconio
jsr _get_tv
bne pal
lda #<Topscanlines
sta DPPL
lda #>Topscanlines
sta DPPH
jmp vblankon
pal: lda #<PALscanlines
sta DPPL
lda #>PALscanlines
sta DPPH
jsr _get_tv
bne pal
lda #<Topscanlines
sta DPPL
lda #>Topscanlines
sta DPPH
jmp vblankon
pal: lda #<PALscanlines
sta DPPL
lda #>PALscanlines
sta DPPH
vblankon:
lda MSTAT
bmi vblankon
lda MSTAT
bmi vblankon
vblankoff:
lda MSTAT
bpl vblankoff
lda #>_font160
sta CHBASE
lda #(CTRL_MODE160 | CTRL_KANGOFF | CTRL_BCBLACK | CTRL_CHAR2B | CTRL_DMAON | CTRL_CKOFF)
sta CTRL
lda #$00 ; Black background
sta BKGRND
lda #$33 ; Red
sta P0C1
lda #$c8 ; Green
sta P0C2
lda #$0f ; White
sta P0C3
lda MSTAT
bpl vblankoff
lda #>_font160
sta CHBASE
lda #(CTRL_MODE160 | CTRL_KANGOFF | CTRL_BCBLACK | CTRL_CHAR2B | CTRL_DMAON | CTRL_CKOFF)
sta CTRL
lda #$00 ; Black background
sta BKGRND
lda #$33 ; Red
sta P0C1
lda #$c8 ; Green
sta P0C2
lda #$0f ; White
sta P0C3
rts
.endproc