izaya
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collapseos
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Mirror of CollapseOS
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collapseos/blk/299

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  1. PC ORG @ 0x1e + ! ( chkPS )

  2.     HL PUSHqq,

  3.     RAMSTART LDHL(nn), ( RAM+00 == INITIAL_SP )

  4. ( We have the return address for this very call on the stack

  5.   and protected registers. Let's compensate )

  6.     HL DECss,

  7.     HL DECss,

  8.     HL DECss,

  9.     HL DECss,

  10.     SP SUBHLss,

  11.     HL POPqq,

  12.     CNC RETcc,      ( INITIAL_SP >= SP? good )

  13.     JR, L2 BWR      ( abortUnderflow-B298 )