mirror of https://github.com/KarolS/millfork.git
118 lines
2.4 KiB
Plaintext
118 lines
2.4 KiB
Plaintext
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#if not(ATARI_2600)
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#warn vcs_hardware module should be only used on Atari 2600-compatible targets
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#endif
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volatile byte VSYNC @$00
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volatile byte VBLANK @$01
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volatile byte WSYNC @$02
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volatile byte RSYNC @$03
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volatile byte NUSIZ0 @$04
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volatile byte NUSIZ1 @$05
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volatile byte COLUP0 @$06
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volatile byte COLUP1 @$07
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volatile byte COLUPF @$08
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volatile byte COLUBK @$09
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volatile byte CTRLPF @$0A
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volatile byte REFP0 @$0B
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volatile byte REFP1 @$0C
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volatile byte PF0 @$0D
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volatile byte PF1 @$0E
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volatile byte PF2 @$0F
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volatile byte RESP0 @$10
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volatile byte RESP1 @$11
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volatile byte RESM0 @$12
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volatile byte RESM1 @$13
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volatile byte RESBL @$14
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volatile byte AUDC0 @$15
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volatile byte AUDC1 @$16
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volatile byte AUDF0 @$17
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volatile byte AUDF1 @$18
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volatile byte AUDV0 @$19
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volatile byte AUDV1 @$1A
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volatile byte GRP0 @$1B
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volatile byte GRP1 @$1C
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volatile byte ENAM0 @$1D
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volatile byte ENAM1 @$1E
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volatile byte ENABL @$1F
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volatile byte HMP0 @$20
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volatile byte HMP1 @$21
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volatile byte HMM0 @$22
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volatile byte HMM1 @$23
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volatile byte HMBL @$24
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volatile byte VDELP0 @$25
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volatile byte VDELP1 @$26
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volatile byte VDELBL @$27
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volatile byte RESMP0 @$28
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volatile byte RESMP1 @$29
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volatile byte HMOVE @$2A
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volatile byte HMCLR @$2B
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volatile byte CXCLR @$2C
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volatile byte CXM0P @$30
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volatile byte CXM1P @$31
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volatile byte CXP0FB @$32
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volatile byte CXP1FB @$33
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volatile byte CXM0FB @$34
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volatile byte CXM1FB @$35
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volatile byte CXBLPF @$36
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volatile byte CXPPMM @$37
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volatile byte INPT0 @$38
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volatile byte INPT1 @$39
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volatile byte INPT2 @$3A
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volatile byte INPT3 @$3B
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volatile byte INPT4 @$3C
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volatile byte INPT5 @$3D
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volatile byte SWCHA @$0280
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volatile byte SWACNT @$0281
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volatile byte SWCHB @$0282
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volatile byte SWBCNT @$0283
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volatile byte INTIM @$0284
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volatile byte INSTAT @$0285
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volatile byte TIM1T @$0294
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volatile byte TIM8T @$0295
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volatile byte TIM64T @$0296
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volatile byte T1024T @$0297
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macro asm void wsync() {
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STA WSYNC
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}
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macro asm void start_frame() {
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? LDA #0
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! STA VBLANK
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? LDA #2
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! STA VSYNC
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! STA WSYNC
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! STA WSYNC
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! STA WSYNC
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! LDA #0
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! STA VSYNC
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? LDX #37
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start_frame_loop:
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! STA WSYNC
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? DEX
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BNE start_frame_loop
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}
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macro asm void end_frame() {
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? LDA #%01000010
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! STA VBLANK
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? LDX #30
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end_frame_loop:
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! STA WSYNC
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? DEX
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BNE end_frame_loop
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}
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asm void reset_routine() @$FFF4 {
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LDX #$FF
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TXS
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JMP main
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}
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const array __vectors @$FFFA = @word [
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reset_routine.addr,
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reset_routine.addr,
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reset_routine.addr
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]
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