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Updated to use the new VIA register names.

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Olli Savia
2018-04-11 22:40:46 +03:00
parent 165b98bba5
commit 79433ddb60
2 changed files with 9 additions and 10 deletions
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4
libsrc/vic20/joy/vic20-stdjoy.s
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@@ -90,13 +90,13 @@ READ: lda #$7F ; mask for VIA2 JOYBIT: sw3
ldy VIA2_DDRB ; remember the date of DDRB
sta VIA2_DDRB ; set JOYBITS on this VIA for input
lda VIA2_JOY ; read JOYBIT: sw3
lda VIA2_PB ; read JOYBIT: sw3
sty VIA2_DDRB ; restore the state of DDRB
asl ; Shift sw3 into carry
ldy VIA1_DDRA ; remember the state of DDRA
stx VIA1_DDRA ; set JOYBITS on this VIA for input
lda VIA1_JOY ; read JOYBITS: sw0,sw1,sw2,sw4
lda VIA1_PA1 ; read JOYBITS: sw0,sw1,sw2,sw4
sty VIA1_DDRA ; restore the state of DDRA
cli ; necessary?