Difference between revisions of "83Plus:BCALLs:80CF"
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== Comments == | == Comments == | ||
| − | This B_CALL writes the value in A to Port 23. The code is located on page 3Fh/7Fh. | + | This B_CALL writes the value in A to Port 23. The code is located on page 3Fh/7Fh. Flash must be unlocked before calling this entry point. |
<nowiki>SetFlashLowerBound: | <nowiki>SetFlashLowerBound: | ||
nop | nop | ||
Latest revision as of 08:46, 8 April 2005
Synopsis
Official Name: SetFlashLowerBound
BCALL Address: 80CF
This B_CALL sets the lower flash page executution boundary.
Inputs
A=Value to write to Port 23. Interrupts should be disabled.
Outputs
None
Destroys
None
Comments
This B_CALL writes the value in A to Port 23. The code is located on page 3Fh/7Fh. Flash must be unlocked before calling this entry point.
SetFlashLowerBound: nop nop im 1 di out (23h),a di ret
