mirror of
https://github.com/hsoft/collapseos.git
synced 2024-12-27 05:28:06 +11:00
d041b91846
Use EXX instead of the stack for HL protection and remove all spurious uses of chkPS, I wanted to inline chkPS in next because of its "tight loop" status, but for reasons I don't understand, doing so breaks Collapse OS. Later...
17 lines
383 B
Plaintext
17 lines
383 B
Plaintext
CODE >R ( 0xa8 )
|
|
HL POPqq,
|
|
17 BCALL, ( 17 == pushRS )
|
|
;CODE NOP, NOP, NOP,
|
|
CODE 2>R ( 0xb9 )
|
|
DE POPqq, HL POPqq,
|
|
17 BCALL, ( 17 == pushRS ) EXDEHL, 17 BCALL,
|
|
;CODE NOP, NOP, NOP,
|
|
CODE R> ( 0xce )
|
|
20 BCALL, ( 20 == popRS )
|
|
HL PUSHqq,
|
|
;CODE
|
|
CODE 2R> ( 0xdc )
|
|
20 BCALL, ( 20 == popRS ) EXDEHL, 20 BCALL,
|
|
HL PUSHqq, DE PUSHqq,
|
|
;CODE ( END OF STABLE ABI )
|