1
0
mirror of https://github.com/hsoft/collapseos.git synced 2024-11-06 02:31:01 +11:00
collapseos/blk/290

16 lines
483 B
Plaintext
Raw Normal View History

lbluflw BSET ( abortUnderflow )
DE BIN( @ 0x06 ( uflw ) + LDd(i),
JR, lblexec BWR
2020-07-06 03:41:12 +10:00
lblchkPS BSET ( chkPS )
( Note that you only need to call this in words that push
back to PSP. If they don't, calling chkPS is redundant with
check in next )
EXX,
( We have the return address for this very call on the stack
and protected registers. 2- is to compensate that. )
HL PS_ADDR 2- LDdi,
2020-07-06 03:41:12 +10:00
SP SUBHLd,
EXX,
CNC RETc, ( PS_ADDR >= SP? good )
JR, lbluflw BWR