參數(shù)資料
型號(hào)： HTG1390
廠商： Holtek Semiconductor Inc.
英文描述： 4-bit Microcontroller
中文描述： 4位微控制器
文件頁數(shù)： 26/27頁
文件大?。?/td> 427K
代理商： HTG1390
SBC A,[R1R0]
Machine code
Description
Subtract data memory contents and carry from ACC
0 0 0 0 1 0 1 0
The contents of the data memory addressed by the register pair “R1,R0”
and the complement of the carry are subtracted from the accumulator.
Carry is set if a borrow does not take place in subtraction; otherwise carry
is cleared.
ACC
←
ACC+M(R1,R0)+CF
Operation
SOUND A
Machine code
Description
Activate SOUND channel with accumulator
0 1 0 0 1 0 1 1
The activated sound begins playing in accordance with the contents of accu-
mulator when the specified sound channel is matched.
SOUND LOOP
Machine code
Description
Turn on sound repeat cycle
0 1 0 0 1 0 0 1
The activated sound plays repeatedly.
SOUND OFF
Machine code
Description
Turn off sound
0 1 0 0 1 0 1 0
The activated sound will terminate immediately.
SOUND ONE
Machine code
Description
Turn on sound one cycle
0 1 0 0 1 0 0 0
The activated sound plays once.
SOUND n
Machine code
Description
Activate SOUND channel n
0 1 0 0 0 1 0 1 0 0 0 0 n n n n
The specified sound begins playing and overwrites the previous activated
sound. (nnnn=0~15)
STC
Machine code
Description
Operation
Set carry flag
0 0 1 0 1 0 1 1
The carry flag is set to one.
CF
←
1
SUB A,XH
Machine code
Description
Subtract immediate data from accumulator
0 1 0 0 0 0 0 1 0 0 0 0 d d d d
The specified data is subtracted from the accumulator. Carry is set if a bor-
row does not take place in subtraction; otherwise carry is cleared.
ACC
←
ACC+XH+1
Operation
HTG1390
Preliminary
26
17th Nov ’98
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