Mirror of CollapseOS
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15 行
376B

  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 )