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): 53/57頁
文件大?。?/td> 1541K
代理商: HT9480
SDZA [m]
Description
Decrement data memory-place result in ACC, skip if zero
The contents of the specified data memory are decremented by one. If the
result is zero, the next instruction is skipped. The result is stored in the
accumulator but the data memory remains unchanged. If the result is zero,
the following instruction, fetched during the current instruction execution, is
discarded and a dummy cycle is replaced to get the proper instruction, that
makes 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
SET [m]
Description
Operation
Affected flag(s)
Set data memory
E ach bit of the specified data memory is set to one
[m]
FFH
TC2
TC1
TO
PD
OV
Z
AC
C
SET [m].i
Description
Operation
Affected flag(s)
Set bit of data memory
Bit i of the specified data memory is set to one
[m].i
1
TC2
TC1
TO
PD
OV
Z
AC
C
SIZ [m]
Description
Skip if increment data memory is zero
The contents of the specified data memory is incremented by one. If the result
is 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]+1)=0, [m]
([m]+1)
Operation
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
HT9480
53
23th Feb ’98
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