Difference between revisions of "84PCE:Syscalls:021D50"
From WikiTI
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=== Destroys === | === Destroys === | ||
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Revision as of 09:25, 26 May 2015
Contents
Synopsis
Hypothesized Official Name: ChkHLis0
Syscall Address: 021D50h
Checks if the 24-bit value in HL is 0.
Inputs
HL - value
Outputs
Z flag set if HL == 0
A holds upper byte of HL
Destroys
- AF
