Difference between revisions of "83Plus:BCALLs:8045"
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| − | [[Category:83Plus:BCALLs:By Name:Math| | + | [[Category:83Plus:BCALLs:By Name:Math|Mult16By8]] |
| − | [[Category:83Plus:BCALLs:By Name| | + | [[Category:83Plus:BCALLs:By Name|Mult16By8]] |
| − | [[Category:83Plus:BCALLs:By Address|8045 - | + | [[Category:83Plus:BCALLs:By Address|8045 - Mult16By8]] |
== Synopsis == | == Synopsis == | ||
| − | '''Official Name:''' MultAbyDE | + | '''Official Name:''' Mult16By8 |
| + | |||
| + | '''Other Name:''' MultAbyDE | ||
'''BCALL Address:''' 8045 | '''BCALL Address:''' 8045 | ||
Revision as of 23:38, 28 March 2005
Synopsis
Official Name: Mult16By8
Other Name: MultAbyDE
BCALL Address: 8045
Multiplies register A by register DE and stores the result in register HL.
Inputs
- A = operand 1
- DE = operand 2
Outputs
- HL = A * DE
Destroys
- A, HL, DE
Comments
Simple enough to implement yourself if speed is important.
Example
ld a,4 ld de,105h B_CALL MultAbyDE ;should return 414h or 1044 decimal
