Difference between revisions of "83Plus:BCALLs:4FF9"
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− | + | [[Category:83Plus:BCALLs:By Name|RunTracerHook]] | |
− | + | [[Category:83Plus:BCALLs:By Name:Hook|RunTracerHook]] | |
− | + | [[Category:83Plus:BCALLs:By Address|4FF9 - RunTracerHook]] | |
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | == Synopsis == | |
+ | '''Unofficial Name:''' RunTracerHook | ||
− | + | '''BCALL Address:''' 4FF9 | |
+ | |||
+ | Checks the first byte of the block for the [[83Plus:Hooks:9BA8|Trace Hook]]. | ||
+ | If the byte is 83, the hook is run. Otherwise, the active flag for the hook | ||
+ | is set to zero. | ||
+ | |||
+ | === Inputs === | ||
+ | The block for the Trace Hook must be set up correctly. | ||
+ | <!-- What does this mean? --> | ||
+ | |||
+ | === Outputs === | ||
+ | *HL points to the start of the hook. <!-- The hook block? --> | ||
+ | *F is 6A if the hook was not run. <!-- And if it was run? --> | ||
+ | |||
+ | == Comments == | ||
+ | This BCALL is known to be present in AMS 1.13, and is undocumented. | ||
+ | |||
+ | == Credits and Contributions == | ||
+ | *Michael Cimino |
Revision as of 00:27, 27 March 2006
Synopsis
Unofficial Name: RunTracerHook
BCALL Address: 4FF9
Checks the first byte of the block for the Trace Hook. If the byte is 83, the hook is run. Otherwise, the active flag for the hook is set to zero.
Inputs
The block for the Trace Hook must be set up correctly.
Outputs
- HL points to the start of the hook.
- F is 6A if the hook was not run.
Comments
This BCALL is known to be present in AMS 1.13, and is undocumented.
Credits and Contributions
- Michael Cimino