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collapseos/blk/495
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

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CODE @RDSEC ( drv cylsec addr -- f ) EXX, ( protect BC )
HL POP,
DE POP,
BC POP,
chkPS,
A 0x31 LDri, ( @RDSEC )
0x28 RST,
PUSHZ,
EXX, ( unprotect BC ) ;CODE