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

TCD: Difference between revisions

From SnesLab
Jump to: navigation, search
(ignores m flag)
Line 36: Line 36:


'''TCD''' (Transfer aCcumulator to Direct page register) is a [[65c816]] instruction that transfers the value of the 16-bit [[accumulator]] to the [[direct page register]].  An alternate mnemonic is "TAD."
'''TCD''' (Transfer aCcumulator to Direct page register) is a [[65c816]] instruction that transfers the value of the 16-bit [[accumulator]] to the [[direct page register]].  An alternate mnemonic is "TAD."
TCD ignores the M flag.  If the accumulator is only 8 bits wide, the transfer still happens as if it were 16 bits wide.


=== See Also ===
=== See Also ===

Revision as of 10:53, 7 December 2023

Basic Info
Addressing Mode Opcode Length Speed
Implied (type 1) 5B 1 byte 2 cycles
Flags Affected
N V M X D I Z C
. . . . . .

TCD (Transfer aCcumulator to Direct page register) is a 65c816 instruction that transfers the value of the 16-bit accumulator to the direct page register. An alternate mnemonic is "TAD."

TCD ignores the M flag. If the accumulator is only 8 bits wide, the transfer still happens as if it were 16 bits wide.

See Also

External Links