User Guide

8VHU¶V0DQXDO

=&38

80 0DQXDO2EMHFWLYHV

[YL

=&38,QVWUXFWLRQ'HVFULSWLRQ

Presents the User’s Manual instruction types, addressing modes and

instruction Op Codes.

=,QVWUXFWLRQ6HW

Presents an overview of the User’s Manual assenbly language, status

indicator flags and the Z80 instructions.

5HODWHG'RFXPHQWV

0DQXDO&RQYHQWLRQV

The following assumptions and conventions are adopted to provide clarity

and ease of use:

8VHRIWKH:RUGV6HWDQG&OHDU

The words set and clear imply that a register bit or a condition contains

the values logical 1 and logical 0, respectively. When either of these

terms is followed by a number, the word logical may not be included, but

it is implied.

1RWDWLRQIRU%LWVDQG6LPLODU5HJLVWHUV

A field of bits within a register is designated as: Register (n–n). For

example:

PWM_CR (31–20). A field of bits within a bus is designated as:

Bus

n–n

. For example: PCntl

7–4

. A range of similar (whole) registers is

designated as: Registern–Registern. For example: OPBCS5–OPBCS0.

Part Number Title DC number