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Presents the User’s Manual instruction types, addressing modes and
instruction Op Codes.
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Presents an overview of the User’s Manual assenbly language, status
indicator flags and the Z80 instructions.
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The following assumptions and conventions are adopted to provide clarity
and ease of use:
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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.
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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
Part Number Title DC number
Part Number Title DC number