SpinAsm OR: Difference between revisions
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======Description====== | ======Description====== | ||
OR will perform a bit wise "or" of the current ACC and the 24bit MASK specified within the instruction word. The instruction might be used to load a constant into ACC provided ACC contains $000000 | OR will perform a bit wise "or" of the current ACC and the 24bit MASK specified within the instruction word. The instruction might be used to load a constant into ACC provided ACC contains $000000 | ||
====== Parameters ====== | |||
{| class="wikitable" | {| class="wikitable" | ||
|+ | |+ | ||
!Name | !Name | ||
!Width | !Width |
Revision as of 20:55, 6 January 2023
OR
Mnemonic | Operation | Instruction coding |
---|---|---|
OR | ACC | MASK | MMMMMMMMMMMMMMMMMMMMMMMM000001111 |
Description
OR will perform a bit wise "or" of the current ACC and the 24bit MASK specified within the instruction word. The instruction might be used to load a constant into ACC provided ACC contains $000000
Parameters
Name | Width | Entry formats, range |
---|---|---|
M | 24 Bit | Binary
Hex ($000000 - $FFFFFF) Symbolic |
Syntax
OR M
Coding Example
<syntaxhighlight line="1"> OMASK EQU $0F0000 ;
;
- -------------------------------------------
sof 0,0 ; Clear all bits within ACC or $1 ; Set LSB or %10000000_00000000_00000000 ; Set MSB or OMASK ; Set ACC[19..16] and %S=[15..8] ; Set ACC[15..8] </syntaxhighlight>