Difference between revisions of "83Plus:BCALLs:4B82"
From WikiTI
(official name, a word of warning) |
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| − | [[Category:83Plus:BCALLs:By Name| | + | [[Category:83Plus:BCALLs:By Name:Other|ResetStacks]] [[Category:83Plus:BCALLs:By Name|ResetStacks]] [[Category:83Plus:BCALLs:By Address|4B82 - ResetStacks]] |
| − | [[Category:83Plus:BCALLs:By Address|4B82 - | + | |
== Synopsis == | == Synopsis == | ||
| + | '''Official Name:''' ResetStacks | ||
| + | |||
'''Unofficial Name:''' CollapseStacks | '''Unofficial Name:''' CollapseStacks | ||
'''BCALL Address:''' 4B82 | '''BCALL Address:''' 4B82 | ||
| − | + | Deletes all data from the operator and floating-point stacks, and removes all error handlers (except the standard system error handler.) | |
=== Inputs === | === Inputs === | ||
| Line 18: | Line 19: | ||
== Comments == | == Comments == | ||
| + | For obvious reasons, you should never call this routine if you intend to return to the OS (or any other program) afterwards. It should only be used when you intend to "reboot" the OS using a routine such as [[83Plus:BCALLs:4027|JForceCmdNoChar]] (which itself calls this routine.) | ||
| + | |||
Full disassembly of this entry point on OS 2.41 is below: | Full disassembly of this entry point on OS 2.41 is below: | ||
Latest revision as of 12:36, 6 November 2006
Synopsis
Official Name: ResetStacks
Unofficial Name: CollapseStacks
BCALL Address: 4B82
Deletes all data from the operator and floating-point stacks, and removes all error handlers (except the standard system error handler.)
Inputs
- None
Outputs
- None
Destroys
- HL
Comments
For obvious reasons, you should never call this routine if you intend to return to the OS (or any other program) afterwards. It should only be used when you intend to "reboot" the OS using a routine such as JForceCmdNoChar (which itself calls this routine.)
Full disassembly of this entry point on OS 2.41 is below:
ld hl,(OPBase) ld (OPS),hl ld hl,(FPBase) ld (FPS),hl ld hl,(onSP) ld (errSP),hl ret
