Difference between revisions of "84PCE:Syscalls:021D4C"
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[[Category:84PCE:Syscalls:By Address|021D4C - chkifDEis0]] | [[Category:84PCE:Syscalls:By Address|021D4C - chkifDEis0]] | ||
== Synopsis == | == Synopsis == | ||
| − | '''Hypothesized Official Name:''' | + | '''Hypothesized Official Name:''' chkifDEis0 |
'''Syscall Address:''' 021D4Ch | '''Syscall Address:''' 021D4Ch | ||
Revision as of 18:12, 4 May 2015
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
