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Applecorn
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Use STZ in macros to set softswitches.

This commit is contained in:
Bobbi Webber-Manners 2022-12-18 18:42:54 -05:00
parent e796b93532
commit 7232b49090
1 changed files with 4 additions and 4 deletions
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applecorn.s
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@ -218,12 +218,12 @@ IENTMAIN MAC
WRTMAIN MAC
PHP
SEI ; Keeps IRQ handler easy
STA WRMAINRAM ; Write to main memory
STZ WRMAINRAM ; Write to main memory
EOM
* Go back to writing to aux (for code running in aux)
WRTAUX MAC
STA WRCARDRAM ; Write to aux memory
STZ WRCARDRAM ; Write to aux memory
PLP ; Normal service resumed
EOM
@ -234,13 +234,13 @@ ALTZP MAC
SEI ; Disable IRQ when AltZP on
LDA LCBANK1 ; R/W LC bank 1
LDA LCBANK1
STA SETALTZP ; Alt ZP and LC
STZ SETALTZP ; Alt ZP and LC
EOM
* Manually disable AltZP + Aux LC (for code running in main)
* Banks ROM in
MAINZP MAC
STA SETSTDZP ; Main ZP and LC
STZ SETSTDZP ; Main ZP and LC
LDA ROMIN ; Bank ROM back in
LDA ROMIN
PLP ; Turn IRQ back on