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auxmem.init.s: Added paranoid SEI while setting up aux stack.

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Bobbi Webber-Manners 2022-09-20 16:58:28 -04:00
parent ecc8669e84
commit c0ae79ab3a
2 changed files with 3 additions and 2 deletions
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applecorn.po
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auxmem.init.s
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@ -28,7 +28,8 @@ MOSSHIM
*
* Initially executing at $3000 until copied to $D000
MOSINIT LDX #$FF ; Initialize Alt SP to $1FF
MOSINIT SEI ; Disable IRQ while initializing
LDX #$FF ; Initialize Alt SP to $1FF
TXS
STA $C005 ; Make sure we are writing aux
@ -108,7 +109,7 @@ MOSINIT LDX #$FF ; Initialize Alt SP to $1FF
STA $C055 ; PAGE2
JMP MOSHIGH ; Ensure executing in high memory here
MOSHIGH SEI
MOSHIGH SEI ; Disable IRQ while initializing
LDX #$FF
TXS ; Initialise stack
INX ; X=$00