mirror of
https://github.com/KarolS/millfork.git
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158 lines
2.2 KiB
Plaintext
158 lines
2.2 KiB
Plaintext
#if ATARI_8
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const byte KEY_ENTER = 155
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#else
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const byte KEY_ENTER = 13
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#endif
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#if CBM_64
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noinline asm byte readkey() {
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LDA #0
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STA $C6
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__read_key__start:
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LDA $C6
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BEQ __read_key__start
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JMP $E5B4
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}
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#define OK = 1
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#endif
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#if CBM_128
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noinline asm byte readkey() {
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LDA #0
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STA $D0
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__read_key__start:
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LDA $D0
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BEQ __read_key__start
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LDX #0
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JMP $C244
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}
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#define OK = 1
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#endif
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#if CBM_264
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noinline asm byte readkey() {
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LDA #0
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STA $EF
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__read_key__start:
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LDA $EF
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BEQ __read_key__start
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LDX #0
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JMP $D8D5
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}
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#define OK = 1
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#endif
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#if CBM_VIC
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noinline asm byte readkey() {
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LDA #0
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STA $C6
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__read_key__start:
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LDA $C6
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BEQ __read_key__start
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JMP $E5CF
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}
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#define OK = 1
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#endif
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#if CBM_PET
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#if not(PET2001_SUPPORT) && not(PET3000_SUPPORT) && not(PET4000_SUPPORT)
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#error At least one of PET2000_SUPPORT, PET3000_SUPPORT, PET4000_SUPPORT has to be defined
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#endif
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noinline asm byte readkey() {
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#if PET2001_SUPPORT && (PET3000_SUPPORT || PET4000_SUPPORT)
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JSR is_pet2000
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BNE __read_key__start_new
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#endif
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#if PET2001_SUPPORT
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// ROM 1.0:
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LDA #0
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STA $20D
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__read_key__start1:
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LDA $20D
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BEQ __read_key__start1
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LDA $20F
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RTS
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#endif
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#if PET3000_SUPPORT || PET4000_SUPPORT
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// ROM 2.0 and above:
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__read_key__start_new:
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LDA #0
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STA $9E
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__read_key__start2:
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LDA $9E
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BEQ __read_key__start2
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LDA $026F
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RTS
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#endif
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}
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#define OK = 1
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#endif
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#if ATARI_8
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noinline asm byte readkey() {
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lda #$C
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sta $2A
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lda $E425
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pha
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lda $E424
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pha
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rts
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}
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#define OK = 1
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#endif
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#if APPLE_2
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asm byte readkey() @$FD0C extern
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#define OK = 1
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#endif
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#if NEC_PC_88
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asm byte readkey() @$3583 extern
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#define OK = 1
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#endif
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#if AMSTRAD_CPC
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asm byte readkey() @$BB06 extern
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#define OK = 1
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#endif
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#if ZX_SPECTRUM
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#pragma zilog_syntax
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asm byte readkey() {
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ld hl,23560
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ld (hl),0
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__readkey__start:
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ld a,(hl)
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or a
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jr z,__readkey__start
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? ret
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}
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#define OK = 1
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#endif
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#if COCO
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import coco/keyboard
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#define OK = 1
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#endif
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#if not(OK)
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#if KEYBOARD
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#warn keyboard module is not yet supported
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#else
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#warn keyboard module is not supported on targets without keyboard
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#endif
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#endif |