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15 lines
376 B
Plaintext
15 lines
376 B
Plaintext
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PC ORG @ 0x1e + ! ( chkPS )
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HL PUSHqq,
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RAMSTART LDHL(nn), ( RAM+00 == INITIAL_SP )
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( We have the return address for this very call on the stack
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and protected registers. Let's compensate )
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HL DECss,
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HL DECss,
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HL DECss,
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HL DECss,
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SP SUBHLss,
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HL POPqq,
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CNC RETcc, ( INITIAL_SP >= SP? good )
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JR, L2 BWR ( abortUnderflow-B298 )
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