Difference between revisions of "84PCE:Syscalls:021D80"
From WikiTI
| Line 6: | Line 6: | ||
'''Syscall Address:''' 021D80h | '''Syscall Address:''' 021D80h | ||
| − | This was originally a | + | This was originally a broken call, and still is in OS 5.0.0.0089 (and others, perchance?) But after sending in information, TI did an amazing job and fixed this call. It basically performs a sign extension on a 16bit HL to 24bit HL. |
=== Inputs === | === Inputs === | ||
Revision as of 12:56, 4 September 2015
Contents
Synopsis
Hypothesized Official Name: SignExtendHL
Syscall Address: 021D80h
This was originally a broken call, and still is in OS 5.0.0.0089 (and others, perchance?) But after sending in information, TI did an amazing job and fixed this call. It basically performs a sign extension on a 16bit HL to 24bit HL.
Inputs
HL - 16-bit signed value
Outputs
HL - 24-bit signed value
Destroys
- HLU
