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- 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 - LDddnn,
- SP SUBHLss,
- EXX,
- CNC RETcc, ( PS_ADDR >= SP? good )
- JR, lblofl BWR ( abortUnderflow-B298 )
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