參數(shù)資料
型號: HT9480
廠商: Holtek Semiconductor Inc.
英文描述: Pager Controller
中文描述: 傳呼機(jī)控制器
文件頁數(shù): 54/57頁
文件大?。?/td> 1541K
代理商: HT9480
SIZA [m]
Description
Increment data memory-place result in ACC, skip if zero
The contents of the specified data memory is incremented by one. If the result
is zero, the next instruction is skipped and the result stored in the accumu-
lator. The data memory remains unchanged. If the result is zero, the follow-
ing instruction, fetched during the current instruction execution, is discarded
and a dummy cycle replaced to get the proper instruction. This is a 2-cycle
instruction. Otherwise proceed with the next instruction.
Skip if ([m]+1)=0, ACC
([m]+1)
Operation
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
SNZ [m].i
Description
Skip if bit i of the data memory is not zero
If bit i of the specified data memory is not zero, the next instruction is
skipped. If bit i of the data memory is not zero, the following instruction,
fetched during the current instruction execution, is discarded and a dummy
cycle is replaced to get the proper instruction. This is a 2-cycle instruction.
Otherwise proceed with the next instruction.
Skip if [m].i
0
Operation
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
SUB A,[m]
Description
Subtract data memory from accumulator
The specified data memory is subtracted from the contents of the accumula-
tor, leaving the result in the accumulator.
ACC
ACC+[m]+1
Operation
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
SUBM A,[m]
Description
Subtract data memory from accumulator
The specified data memory is subtracted from the contents of the accumula-
tor, leaving the result in the data memory.
[m]
ACC [m]+1
Operation
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
HT9480
54
23th Feb ’98
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