mirror of https://github.com/hsoft/collapseos.git
17 lines
581 B
Plaintext
17 lines
581 B
Plaintext
CODE ROT ( a b c -- b c a ) 3 chkPS,
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CX POPx, BX POPx, AX POPx,
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BX PUSHx, CX PUSHx, AX PUSHx, ;CODE
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CODE ROT> ( a b c -- c a b ) 3 chkPS,
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CX POPx, BX POPx, AX POPx,
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CX PUSHx, AX PUSHx, BX PUSHx, ;CODE
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CODE DUP 1 chkPS, AX POPx, AX PUSHx, AX PUSHx, ;CODE
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CODE ?DUP 1 chkPS, AX POPx, AX AX ORxx, AX PUSHx,
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IFNZ, AX PUSHx, THEN, ;CODE
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CODE OVER ( a b -- a b a ) 2 chkPS,
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DI SP MOVxx, AX [DI] 2 MOVx[]+, AX PUSHx, ;CODE
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CODE PICK
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DI POPx, DI SHLx1, ( x2 )
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CX DI MOVxx, CX 2 ADDxi, CALL, lblchkPS @ RPCn,
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DI SP ADDxx, DI [DI] MOVx[], DI PUSHx,
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;CODE
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