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17 lines
486 B
Plaintext
17 lines
486 B
Plaintext
PC ORG @ 0x1b + ! ( next )
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( This routine is jumped to at the end of every word. In it,
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we jump to current IP, but we also take care of increasing
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it by 2 before jumping. )
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( Before we continue: are stacks within bounds? )
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0x1d CALLnn, ( chkPS )
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( check RS )
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IX PUSHqq, HL POPqq,
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DE RS_ADDR LDddnn,
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DE SUBHLss,
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JRC, L2 BWR ( IX < RS_ADDR? abortUnderflow-B298 )
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E 0 IY+ LDrIXY,
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D 1 IY+ LDrIXY,
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IY INCss,
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IY INCss,
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( continue to execute )
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