MC9RS08KA2_07 Datasheet, PDF (71/136 Pages) Freescale Semiconductor, Inc – Microcontrollers

Chapter 8 Central Processor Unit (RS08CPUV1)
Table 8-1. Instruction Set Summary (Sheet 5 of 5)
Source
Form
STX opr8a ⁽¹⁾
STOP
SUB #opr8i
SUB opr8a
SUB opr4a
SUB ,X ⁽¹⁾
SUB X
TAX⁽¹⁾
TST opr8a ⁽¹⁾
TSTA ⁽¹⁾
TST ,X ⁽¹⁾
TSTX ⁽¹⁾
TXA⁽¹⁾
WAIT
Description
Store Index Register in
Memory
Put MCU into stop mode
Subtract
Transfer A to X
Test for Zero
Transfer X to A
Put MCU into WAIT
mode
Operation
M ← (X)
A ← (A) – (M)
A ← (A) – (X)
X ← (A)
(M) – $00
(A) – $00
(X) – $00
A ← (X)
Effect
on
CCR
ZC
↕ – DIR
– – INH
IMM
DIR
↕ ↕ TNY
IX
DIR
↕ – INH
DD
↕
–
INH
IX
INH
↕ – INH
– – INH
4E 0F dd 5
AE
2+
A0
B0
7x
ii
dd
2
3
3
7E
3
7F
3
EF
2
4E dd dd 5
AA 00
2
4E 0E 0E 5
4E 0F 0F 5
CF
3
AF
2+
1. This is a pseudo instruction supported by the normal RS08 instruction set.
2. This instruction is different from that of the HC08 and HCS08 in that the RS08 does not auto-increment the index register.
MC9RS08KA2 Series Data Sheet, Rev. 3
Freescale Semiconductor
71