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collapseos/blk/284
Virgil Dupras f2f520cacc Extract (br), (?br) and (loop)'s code out of stable ABI zone
There is now no more actual code in stable ABI, only references.
This makes refactoring of this code much easier. For example,
changing IY to BC as the IP register.
2020-07-05 14:57:18 -04:00

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H@ 4 + XCURRENT ! ( make next CODE have 0 prev field )
CODE (br) ( TODO: move with other native words )
L1 BSET ( used in ?br and loop )
PC ORG @ 0x3d + ! ( stable ABI JP )
E 0 IY+ LDrIXY, D 1 IY+ LDrIXY,
DE ADDIYd,
;CODE
CODE (?br)
PC ORG @ 0x41 + ! ( stable ABI JP )
HL POP,
HLZ,
JRZ, L1 BWR ( br + 1. False, branch )
( True, skip next 2 bytes and don't branch )
IY INCd, IY INCd,
;CODE