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Fix cia_disable_irq macro. 

I'm fairly sure this is the correct sequence of instructions to disable irq - tested in my own project. The original macro didn't work for me.
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Bruce Sutherland 2020-01-05 10:53:51 +08:00 committed by GitHub
parent 43b64aac21
commit d49e5cf022
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1 changed files with 2 additions and 2 deletions
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include/c64_cia.mfk
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@ -16,8 +16,8 @@ byte cia2_ddrb @$DD03
macro asm void cia_disable_irq() {
? LDA #$7f
! LDA $dc0d
! LDA $dd0d
! STA $dc0d
! STA $dd0d
! LDA $dc0d
! LDA $dd0d
}