mirror of https://github.com/hsoft/collapseos.git
11 lines
297 B
Plaintext
11 lines
297 B
Plaintext
( ex: L1 LBL! .. L1 @ RJMP, )
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: LBL! ( l -- ) PC SWAP ! ;
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( ex: L1 FLBL, .. RJMPOP L1 FLBL! )
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: FLBL, ( l -- ) LBL! 0 A,, ;
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: FLBL! ( op l -- )
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@ DUP PC -^ 1- ( op l off )
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ROT 8 LSHIFT OR ( l op' )
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( warning: l is a PC offset, not a mem addr! )
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SWAP 2 * ORG @ + ( op' addr ) ! ;
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