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MSM66507/66P507
REGISTERS
Accumulator
15
ACC
0
Control Register (CR)
Program Status Word
15
PSW
0
Program Counter
Local Register Base
System Stack Pointer
Bit 15 : Carry flag (CY)
Bit 14 : Zero flag (ZF)
Bit 13 : Half carry flag (HC)
Bit 12 : Data descriptor (DD)
Bit 11 : Sign flag (S)
Bit 10 : Master interrupt priority flag (MIP)
Bit 9 : Overflow flag (OV)
Bit 8 : Master interrupt enable flag (MIE)
Bit 7-3 : User flag
Bit 2-0 : System control base 2-0 (SCB2-0)
15
0
PC
LRB
SSP
15
0
Pointing Register (PR)
Index Register 1
Index Register 2
Data pointer
User Stack Pointer
X1
X2
DP
USP
Local Register
7
ER0
ER1
ER2
ER3
R1
R3
R5
R7
0 7
R0
R2
R4
R6
0
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OKI [ OKI ELECTRONIC COMPONETS ]
