Z86E6116PSC Datasheet, PDF (56/69 Pages) Zilog, Inc. – Z86E61/Z86E63 CMOS Z8 16K/32K EPROM Microcontroller

Z86E61/E63
CMOS Z8 16K/32K EPROM Microcontroller
52
INSTRUCTION SET NOTATION
Addressing Modes. The following notation is used to describe the addressing
modes and instruction operations as shown in the instruction summary (Table 14).
Table 30. Instruction Set Notation
Symbol Meaning
IRR
Indirect register pair or indirect working register pair
address
Irr
Indirect working register pair only
X
Indexed address
DA
Direct address
RA
Relative address
IM
Immediate
R
Register or working register address
r
Working register address only
IR
Indirect register or indirect working register address
Ir
Indirect working register address only
RR
Register pair or working register pair address
Symbols. The following symbols are used in describing the instruction set.
Symbol
dst
src
cc
@
SP
PC
FLAGS
RP
IMR
Meaning
Destination location or contents
Source location or contents
Condition Code
Indirect address prefix
Stack Pointer
Program Counter
Flag Register (Control Register 252)
Register Pointer (R253)
Interrupt Mask Register (R251)
PS014401-1001