gc80c520a CORERIVER Semiconductor, gc80c520a Datasheet - Page 113

• Manufacturer Part Number: gc80c520a
• Description: Midas1.0 Family Mask Rom/eprom/romless 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

DJNZ Rn, rel
DJNZ direct, rel
Operation:
Operation:
Encoding:
Encoding:
MiDAS1.0 Family
Cycles:
Cycles:
Bytes:
Bytes:
2
3
DJNZ
(PC)
(Rn)
IF (Rn) > 0 or (Rn) < 0
3
4
DJNZ
(PC)
(direct)
IF (direct) > 0 or (direct) < 0
1
0
THEN
THEN
←
←
←
1
1
(Rn) – 1
←
(PC) + 2
(PC) + 2
0
0
(direct) – 1
1
1
(PC)
(PC)
1
0 0 1 1
←
←
(PC) + rel
(PC) + rel
r
Page 113 of 187
r
r
direct address
relative
relative