84PCE:Syscalls:021D4C
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Revision as of 17:12, 4 May 2015 by MateoConLechuga (Talk | contribs)
Contents
Synopsis
Hypothesized Official Name: chkifDEis0
Syscall Address: 021D4Ch
Checks if the 24-bit value in DE is 0.
Inputs
DE - value
Outputs
Z flag set if DE == 0
A holds upper byte of DE
Destroys
- A
