Apple-2-SW/Applecorn
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Improved comments for ALTZP / MAINZP macros.

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Bobbi Webber-Manners 2022-12-11 20:53:34 -05:00
parent 222bcc307d
commit 0132bd3b88
1 changed files with 4 additions and 2 deletions
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applecorn.s
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@ -227,7 +227,8 @@ WRTAUX MAC
PLP ; Normal service resumed
EOM
* Manually enable AltZP (for code running in main)
* Manually enable AltZP + Alt LC (for code running in main)
* Banks ROM out
ALTZP MAC
PHP
SEI ; Disable IRQ when AltZP on
@ -236,7 +237,8 @@ ALTZP MAC
STA SETALTZP ; Alt ZP and LC
EOM
* Manually disable AltZP (for code running in main)
* Manually disable AltZP + Alt LC (for code running in main)
* Banks ROM in
MAINZP MAC
STA SETSTDZP ; Main ZP and LC
LDA ROMIN ; Bank ROM back in