Cpu Register Set - NEC V850E/MS1 UPD703100 User Manual

3.2 CPU Register Set

The registers of the V850E/MS1 can be classified into two categories: a general-purpose program register set and
a dedicated system register set. The size of the registers is 32 bits.
For details, refer to V850E/MS1 User's Manual Architecture.
(1) Program register set
31
r0 Zero Register
r1 Reserved for Address Generation
r2 Interrupt Stack Pointer
r3 Stack Pointer (SP)
r4 Global Pointer (GP)
r5 Text Pointer (TP)
r6
r7
r8
r9
r10
r11
r12
r13
r14
r15
r16
r17
r18
r19
r20
r21
r22
r23
r24
r25
r26
r27
r28
r29
r30 Element Pointer (EP)
r31 Link Pointer (LP)
31
PC Program Counter
70
CHAPTER 3 CPU FUNCTION
(2) System register set
0 31
EIPC
EIPSW
31
FEPC
FEPSW
31
ECR
31
PSW
31
CTPC
CTPSW
31
DBPC
DBPSW
31
CTBP
0
User's Manual U12688EJ4V0UM00
Exception/Interrupt PC
Exception/Interrupt PSW
Fatal Error PC
Fatal Error PSW
Exception Cause Register
Program Status Word
CALLT Caller PC
CALLT Caller PSW
ILGOP Caller PC
ILGOP Caller PSW
CALLT Base Pointer
0
0
0
0
0
0
0