Addressing modes – Zilog EZ80F916 User Manual

Page 244

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UM014423-0607

ZiLOG Developer Studio II

eZ80Acclaim!

®

User Manual

224

ADDRESSING MODES

This section discusses the addressing modes supported by the eZ80Acclaim! Macro
Assembler.

Table 11. eZ80Acclaim! Addressing Modes

Addressing Modes

Symbolic Name

Notes

8-Bit Register Mode

A

B

C

D

E

H

L

16/24-Bit Register Mode

BC

DE

HL

IX

IY

Indirect Register Mode

(BC)

(DE)

(HL)

(IX)

(IY)

Indirect Register Mode Plus Offset

(IX+dd)

dd must be in the range of –128<dd<127.

(IY+dd)

dd must be in the range of –128<dd<127.

16/24-Bit Direct Addressing Mode

xxxxH or xxxxxxH For 24-bit values, ADL must equal 1.

PC Relative Addressing Mode

PC

Single-Bit Flags

ADL

Not directly accessible but can be changed by suffixed
JP and CALL instructions.

IEF1

IEF2

MADL

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