Apple-2-SW
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Applecorn
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Replace addresses with symbols.

This commit is contained in:
Bobbi Webber-Manners 2022-11-19 22:39:38 -05:00
parent dab247e52d
commit 408f1ad9ea
2 changed files with 3 additions and 3 deletions
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2
auxmem.audio.s
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@ -58,7 +58,7 @@ WORD07 INY
JSR INSHND ; Insert into queue X
:RTS RTS
:ESCAPE PLX ; Fix up stack
STA $C010 ; Ack keypress
STA KBDSTRB ; Ack keypress
RTS

4
auxmem.bytwrd.s
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@ -391,12 +391,12 @@ WORD06 JSR GETADDR ; Point to address, set Y=>data byte
* We want to be able to write to anywhere in main memory.
* As we are within the OSWORD handler, IRQs are off, so we can just
* 'write through' all memory.
WORD06A STA $C008 ; &0000-&01FF writes to main memory
WORD06A STA SETSTDZP ; &0000-&01FF writes to main memory
STA WRMAINRAM ; &0200-&BFFF writes to main memory
* ; &C000-&CFFF is always I/O
* ; &D000-&FFFF how do we write to this?
STA (OSINTWS) ; Store it
STA $C009 ; &0000-&01FF writes to aux memory
STA SETALTZP ; &0000-&01FF writes to aux memory
STA WRCARDRAM ; &0200-&BFFF writes to aux memory
* ; &D000-&FFFF
RTS