16-Bit Microprocessor Handbook

Table 1-1. INS8900 and PACE Instruction Set Summary
STATUSES
TYPE MNEMONIC OPERAND(SI BYTES OPERA nON PERFORMED
c 0 L
LD r.DISP(X) 2 [rl-[EA]
w
Load any Accumulator, direct addressing options.
0 LD O,@DISP(X) 2 [ACO]-[EA]
z
w
Load Primary Accumulator, indirect addressing options.
> II:
II: W 0 ST r,DISP(X) 2 [EA]-[rl
c( ~ --
::; ~ ;; Store any Accumulator. direct addressing options.
ii: > Z
ST
Q. II: c(
O,@IDISP(X) 2 [ EA]-[ACO]
0 Store Primary Accumulator, indirect addressing options.
:!:
W LSEX O,DISP(X) 2 [ACO]-[ EA](sign extended)
:!: Load a signed byte into Primary Accumulator; extend sign bit into high order byte. Direct
addressing options.
N
-..J
ADD r.DISP(X) 2 X X [r]-[r]+[EA]
w _
Add to any Accumulator. direct addressing options.
o W
z I- DEC A O,DISP(X) 2 X X
[ACO]-[ ACO]-:-l EA]-.- [C)
> W c(
II: II: II:
Add decimal with Carry to any Accumulator, direct addressing options.
c( ~ ~
o SUBB O,DISP(X) 2 X X [ACO]-[ACO] - [EA].+lC]
W 0
Z II: >
Subtract from Primary Accumulator with borrow, direct addressing options.
> II:
o II: 0 AND O,DISP(X) 2 [ACO]-[ACO]/\ [EA]
~ ~ ! AND with Primary Accumulator, direct addressing options.
w:!:
:!:- OR O,DISP(X) 2 [ACO]-[ ACO] V [EA]
OR with Primary Accumulator, direct addressing options.
_LI r,DATA8 2 [r< 7,0>]- DATA8 (sign extended)
Load immediate into any Accumulator. DATA8 is an 8-bit signed binary value. The sign bit
W
I-
e(
is propagated through 8 high order bits.
C JMP DISP(X) 2 [PC]-EA
W
:!:
Jump by loading the effective difect address into the Program Counter.
~ JMP @DISP(X) 2 [PC]-EA
Jump by loading the effective indirect address into the Program Counter.
... -_._-- ------ --------- ------_._---