Nintendo DMG-01 Manual - Page 113
JR cc,n
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Game BoyTM CPU Manual 3.3.8. Jumps 5. JR cc,n Description: If following condition is true then add n to current address and jump to it: Use with: n = one byte signed immediate value cc = NZ, Jump if Z flag is reset. cc = Z, Jump if Z flag is set. cc = NC, Jump if C flag is reset. cc = C, Jump if C flag is set. Opcodes: Instruction JR JR JR JR Parameters NZ,* Z,* NC,* C,* Opcode 20 28 30 38 Cycles 8 8 8 8 by DP Page 113
Game Boy
TM
CPU Manual
3.3.8. Jumps
5.
JR cc,n
Description:
If following condition is true then add n to current
address and jump to it:
Use with:
n = one byte signed immediate value
cc = NZ, Jump if Z flag is reset.
cc = Z,
Jump if Z flag is set.
cc = NC, Jump if C flag is reset.
cc = C,
Jump if C flag is set.
Opcodes:
Instruction
Parameters
Opcode
Cycles
JR
NZ,*
20
8
JR
Z,*
28
8
JR
NC,*
30
8
JR
C,*
38
8
by DP
Page 113