We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS

TXA

From SnesLab
Revision as of 21:13, 7 August 2024 by Xetheria (talk | contribs) (→‎External Links: hid archive URL for TXA)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search
Basic Info
Addressing Mode Opcode Length Speed
Implied (type 1) 8A 1 byte 2 cycles
Flags Affected
N V M X D I Z C
N . . . . . Z .

TXA is a 65x instruction that transfers the value of the X index register to the accumulator.

Instruction Behavior
8-bit accumulator (m=1) 16-bit accumulator (m=0)
8-bit index registers (x=1) 8 bits are transferred 8 bits are transferred to the low byte of accumulator and high byte of the accumulator is zeroed
16-bit index registers (x=0) 8 bits are transferred 16 bits are transferred

Syntax

TXA

See Also

External Links