Difference between revisions of "83Plus:BCALLs:8051"
From WikiTI
(→Destroys: yes, it trashes the first byte of OP1 as well) |
m (addr -> name) |
||
| Line 16: | Line 16: | ||
=== Destroys === | === Destroys === | ||
* All registers preserved | * All registers preserved | ||
| − | * Destroys contents of memory at [[83Plus:RAM:8100| | + | * Destroys contents of memory at [[83Plus:RAM:8100|ramCode]] |
* [[83Plus:RAM:8478|OP1]] | * [[83Plus:RAM:8478|OP1]] | ||
Latest revision as of 08:26, 26 April 2005
Synopsis
Official Name: LoadAIndPaged
BCALL Address: 8051
Reads a byte into register A on page A at address HL.
Inputs
- A = page
- HL = address
Outputs
- A = byte read
Destroys
Comments
Simple enough to implement yourself if speed is important.
Example
ld a,0 ld hl,4000 B_CALL LoadAIndPaged ;should return a=DB (at least on OS version 1.18)
