Oki MSM66P201 User Manual download pdf (Page 9)

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¡ Semiconductor MSM66201/66P201/66207/66P207

REGISTERS

Accumulator

ACC

15 0

Control Register (CR)

PSW

Bit 15 : Carry flag (CY)

Bit 14 : Zero flag (ZF)

Bit 13 : Half carry flag (HC)

Bit 12 : Data descriptor (DD)

Bit 8 : Master interrupt priority flag (MIP)

Bit 9,5,4: User flag (MIP)

Bit 2-0

: System control base 2-0 (SCB2-0)

PC

LRB

SSP

15 0

15 0

X1

X2

DP

USP

Index Register 1

Index Register 2

Data Pointer

User Stack Pointer

15 0

Pointing Register (PR)

Local Register

R1

R3

R5

R7

R0

R2

R4

R6

ER0

ER1

ER2

ER3

7070

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