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collapseos/blk/286
Virgil Dupras abb4dc8bd7 Reduce the scope of the stable ABI
Only 2>R in actually needed in the RSP family (for LOOP). Reducing
the scope of the stable ABI makes porting to other arches easier.
2020-06-17 07:54:43 -04:00

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CODE 2>R ( 0xa9 )
DE POPqq, HL POPqq,
17 BCALL, ( 17 == pushRS ) EXDEHL, 17 BCALL,
;CODE ( END OF STABLE ABI )
CODE >R
HL POPqq,
17 BCALL, ( 17 == pushRS )
;CODE
CODE R>
20 BCALL, ( 20 == popRS )
HL PUSHqq,
;CODE
CODE 2R>
20 BCALL, ( 20 == popRS ) EXDEHL, 20 BCALL,
HL PUSHqq, DE PUSHqq,
;CODE