1
0
mirror of https://github.com/hsoft/collapseos.git synced 2024-11-14 17:18:06 +11:00
collapseos/blk/324
Virgil Dupras bf4ab0f1b4 z80: protect or avoid BC wherever it's used
For the IY->BC move, of course.
2020-07-05 23:12:17 -04:00

14 lines
218 B
Plaintext

CODE PC! EXX, ( protect BC )
BC POP,
HL POP,
L OUT(C)r,
EXX, ( unprotect BC ) ;CODE
CODE PC@ EXX, ( protect BC )
BC POP,
chkPS,
H 0 LDri,
L INr(C),
HL PUSH,
EXX, ( unprotect BC ) ;CODE