mirror of
https://github.com/hsoft/collapseos.git
synced 2024-12-26 04:48:05 +11:00
17 lines
313 B
Plaintext
17 lines
313 B
Plaintext
CODE PICK
|
|
HL POPqq,
|
|
chkPS,
|
|
( x2 )
|
|
L SLAr, H RLr,
|
|
SP ADDHLss,
|
|
C (HL) LDrr,
|
|
HL INCss,
|
|
B (HL) LDrr,
|
|
( check PS range before returning )
|
|
EXDEHL,
|
|
RAMSTART LDHL(nn), ( RAM+00 == INITIAL_SP )
|
|
DE SUBHLss,
|
|
CC L2 @ JPccnn, ( abortUnderflow-B298 )
|
|
BC PUSHqq,
|
|
;CODE
|