Difference between revisions of "84PCE:Syscalls:021D80"

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(Synopsis)
 
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'''Syscall Address:''' 021D80h
 
'''Syscall Address:''' 021D80h
  
This was originally a buggy 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.
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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.
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 +
It is known to work in OS 5.1.0.0110.
 +
 
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=== Inputs ===
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HL - 16-bit signed value
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=== Outputs ===
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HL - 24-bit signed value
 +
 
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=== Destroys ===
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* HLU

Latest revision as of 13:05, 4 September 2015

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 is known to work in OS 5.1.0.0110.

Inputs

HL - 16-bit signed value

Outputs

HL - 24-bit signed value

Destroys

  • HLU