Jp %Y; Jr %A - Epson S1C63000 Core Cpu Manual

Seiko epson s1c63000 cmos 4-bit single chip microcomputer core cpu manual
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JP %Y

Function: PC
Y
Loads the content of the Y register into the PC to branch unconditionally.
Code:
Mnemonic
JP %Y
Flags:
E
I
Register direct
Mode:
Extended addressing: Invalid

JR %A

Function: PC
PC + A + 1
Adds the content of the A register to the address next to this instruction, to unconditionally
branch to that address. Branch destination range is the next address of this instruction +0 to 15.
Code:
Mnemonic
JR %A
Flags:
E
I
Register direct
Mode:
Extended addressing: Invalid
S1C63000 CORE CPU MANUAL
Indirect jump using Y reg.
MSB
1 1 1 1 1 1 1 1 1 0 0 1 X
C
Z
Jump to relative location A reg.
MSB
1 1 1 1 1 1 1 1 1 0 0 0 1
C
Z
EPSON
CHAPTER 4: INSTRUCTION SET
LSB
1FF2H, (1FF3H)
LSB
1FF1H
1 cycle
1 cycle
95

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