NXP Semiconductors
UM11227
NTM88 family of tire pressure monitor sensors
UM11227 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2020. All rights reserved.
User manual Rev. 6 — 24 April 2020
20 / 205
opr8a — Any label or expression that evaluates to an 8-bit value. The instruction treats
this 8-bit value as the low order 8 bits of an address in the direct page of the 64 kB
address space (0x00xx).
opr16a — Any label or expression that evaluates to a 16-bit value. The instruction treats
this value as an address in the 64 kB address space.
oprx8 — Any label or expression that evaluates to an unsigned 8-bit value, used for
indexed addressing
oprx16 — Any label or expression that evaluates to a 16-bit value. Because the HCS08
has a 16-bit address bus, this can be either a signed or an unsigned value.
rel — Any label or expression that refers to an address that is within –128 to +127
locations from the next address after the last byte of object code for the current
instruction. The assembler calculates the 8-bit signed offset and include it in the object
code for this instruction.
8.6.9 Address modes
INH = Inherent (no operands)
IMM = 8-bit or 16-bit immediate
DIR = 8-bit direct
EXT = 16-bit extended
IX = 16-bit indexed no offset
IX+ = 16-bit indexed no offset, post increment (CBEQ and MOV only)
IX1 = 16-bit indexed with 8-bit offset from H:X
IX1+ = 16-bit indexed with 8-bit offset, post increment (CBEQ only)
IX2 = 16-bit indexed with 16-bit offset from H:X
rel = 8-bit relative offset
SP1 = Stack pointer with 8-bit offset
SP2 = Stack pointer with 16-bit offset
Table 7. HCS08 instruction set summary
Effect
on CCR
Source Form Operation Description
V H I N Z C
Address
Mode
Opcode Operand
Bus
Cycles
[1]
ADC #opr8i
ADC opr8a
ADC opr16a
ADC oprx16,X
ADC oprx8,X
ADC,X
ADC oprx16,SP
ADC oprx8,SP
Add with Carry A ← (A) + (M) + (C) Þ Þ – Þ Þ Þ
IMM
DIR
EXT
IX2
IX1
IX
SP2
SP1
A9
B9
C9
D9
E9
F9
9ED9
9EE9
ii
dd
hh ll
ee ff
ff
ee ff
ff
2
3
4
4
3
3
5
4
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