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collapseos/blk/822
Virgil Dupras cd514e6cd6 pcat: add PSP checks in all native words
Also, fix (roll) which wasn't properly implemented.
2020-06-21 14:07:02 -04:00

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386 B
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( native words )
CODE EXECUTE 1 chkPS,
DI POPx, JMPn, lblexec @ RPCn,
CODE >R 1 chkPS,
BP INCx, BP INCx, [BP] 0 POP[w]+,
;CODE NOP, NOP, NOP,
CODE R>
[BP] 0 PUSH[w]+, BP DECx, BP DECx,
;CODE
CODE 2R> 2 chkPS,
[BP] -2 PUSH[w]+, [BP] 0 PUSH[w]+, BP 4 SUBxi,
;CODE
CODE ROT ( a b c -- b c a ) 3 chkPS,
CX POPx, BX POPx, AX POPx,
BX PUSHx, CX PUSHx, AX PUSHx,
;CODE