Difference between revisions of "83Plus:BCALLs:50BC"
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== Example == | == Example == | ||
| − | + | in a,[[83Plus:Ports:23|(23h)]] | |
| − | loop: | + | loop: |
| − | + | inc a | |
| − | + | cp 6Ah ;Last app page on SE | |
| − | + | ret z | |
| − | + | B_CALL GetAppBasePage | |
| − | + | ;Register A now points to an application's first page | |
| − | + | jr loop | |
Latest revision as of 14:38, 30 March 2005
Synopsis
Unofficial Name: GetAppBasePage
BCALL Address: 50BC
Returns the base (first) page of an application.
Inputs
- A: application page
Outputs
- A: application's base page.
Registers Destroyed
- DE, HL
Comments
This entry point is only useful for multipage applications. It can be used to browse through the application table, as in the example code below (which works only on an SE calculator).
Example
in a,(23h) loop: inc a cp 6Ah ;Last app page on SE ret z B_CALL GetAppBasePage ;Register A now points to an application's first page jr loop
