Difference between revisions of "83Plus:BCALLs:8051"
From WikiTI
m (→Destroys: linkie) |
(→Destroys: yes, it trashes the first byte of OP1 as well) |
||
| Line 17: | Line 17: | ||
* All registers preserved | * All registers preserved | ||
* Destroys contents of memory at [[83Plus:RAM:8100|8100]] (ramCode) | * Destroys contents of memory at [[83Plus:RAM:8100|8100]] (ramCode) | ||
| + | * [[83Plus:RAM:8478|OP1]] | ||
== Comments == | == Comments == | ||
Revision as of 18:11, 30 March 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)
