Zilog EZ80F916 - Manual (Page 63)

eZ80
®
CPU
User Manual
UM007715-0415 CPU Instruction Set
54
eZ80
®
CPU Instruction Classes
Mmn
A 24-bit immediate data value
(Mmn)
A 24-bit value indicating a location in memory at this
address
mn
A 16-bit immediate data value
(mn)
A 16-bit value indicating a location in memory at this
address
n
8-bit immediate data value
r
or r’ 8-bit CPU register A, B, C, D, E, H, or L
rr
16- or 24-bit CPU register BC, DE, or HL
rxy
16- or 24-bit CPU register BC, DE, IX or IY
s
8-bit value
SP
Stack Pointer. Indicates either the Stack Pointer Short
register (SPS) or the Stack Pointer Long register (SPL)
ss
8-, 16-, or 24-bit value, depending on instruction and
context
Table 27. Arithmetic Instructions
Mnemonic Instruction Page(s)
ADC
Add with Carry 79–87
ADD
Add without Carry 88–99
CP
Compare with Accumulator 118–122
DAA
Decimal Adjust Accumulator 129
DEC
Decrement 132–139
INC
Increment 155–162
MLT
Multiply 246–247
NEG
Negate Accumulator 248
SBC
Subtract with Carry 329–337
SUB
Subtract without Carry 357–361
Table 26. Instruction Notations (Continued)
Mnemonic Definition