gc80c521a CORERIVER Semiconductor, gc80c521a Datasheet - Page 111

• Manufacturer Part Number: gc80c521a
• Description: Flash / Isp / Iap 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

DEC
MUL
DIV
Decrement
Multiply
Divide
Appendix A : instruction set (3/18)
DEC
Operation :
DEC
Operation :
DEC
Operation :
DEC
Operation :
DEC
Operation :
Operation :
Operation :
<byte>
AB
AB
A
Rn
@Ri
direct
DPTR
((Ri))
(direct)
(A)
(Rn)
(DPTR)
(A)
(B)
(A)
(B)
7-0
15-8
15-8
7-0
((Ri)) - 1
(A) - 1
(Rn) - 1
(DPTR) - 1
(A) x (B)
(A) / (B)
(direct) - 1
0 0 0 1 0 1 0 0
0 0 0 1 1 r r r
0 0 0 1 0 1 1 i
0 0 0 1 0 1 0 1
1 0 1 0 0 1 0 1
1 0 1 0 0 1 0 0
1 0 0 0 0 1 0 0
Encoding :
Encoding :
Encoding :
Encoding :
Encoding :
Encoding :
Encoding :
HEX: 14h, #bytes: 1, Cycles: 1
HEX: 15h, #bytes: 1, Cycles: 1
HEX: 18h, #bytes: 1, Cycles: 1
HEX: 16h, #bytes: 1, Cycles: 1
HEX: A5h, #bytes: 1, Cycles: 1
HEX: A4h, #bytes: 1, Cycles: 3
HEX: 84h, #bytes: 1, Cycles: 3
MiDAS1.0B Family
direct addr
[111]