Apple-2-SW/Applecorn
1
0
Fork 0
mirror of https://github.com/bobbimanners/Applecorn.git synced 2025-04-08 05:38:34 +00:00
Code Issues Projects Releases Wiki Activity

SEI before XFER, CLI after. For the IIgs.

Browse Source
This commit is contained in:
Bobbi Webber-Manners 2021-08-15 17:15:26 -04:00
parent 4d292c4702
commit 76842a55c7
2 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN
applecorn.po
View File

Binary file not shown.

4
applecorn.s
View File

@ -75,6 +75,7 @@ AUXMOS EQU $D000 ; Final location in aux LC
* Called by code running in main mem to invoke a
* routine in aux memory
XF2AUX MAC
SEI ; EXPERIMENT
LDX $C08B ; R/W LC RAM, bank 1
LDX $C08B
LDX #<]1
@ -89,6 +90,7 @@ XF2AUX MAC
* Called by code running in aux mem to invoke a
* routine in main memory
XF2MAIN MAC
SEI ; Experiment
LDX STRTL
STX STRTBCKL
LDX STRTH
@ -113,6 +115,7 @@ ENTAUX MAC
STX STRTH
LDX $0101 ; Recover alt SP
TXS
CLI
EOM
* Macro called on re-entry to main memory
@ -120,6 +123,7 @@ ENTMAIN MAC
TXS ; Main SP already in X
LDX $C081 ; Bank in ROM
LDX $C081
CLI
EOM
* Enable writing to main memory (for code running in aux)