1
0
mirror of https://github.com/hsoft/collapseos.git synced 2024-11-05 21:30:56 +11:00
collapseos/blk/322
Virgil Dupras d041b91846 Optimize chkPS
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...
2020-05-22 23:12:03 -04:00

16 lines
190 B
Plaintext

CODE !
HL POPqq,
DE POPqq,
(HL) E LDrr,
HL INCss,
(HL) D LDrr,
;CODE
CODE @
HL POPqq,
chkPS,
E (HL) LDrr,
HL INCss,
D (HL) LDrr,
DE PUSHqq,
;CODE