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8.6.2.4 Register Names

You can use the predefined symbols `r0' through `r15' to refer to the D10V registers. You can also use `sp' as an alias for `r15'. The accumulators are `a0' and `a1'. There are special register-pair names that may optionally be used in opcodes that require even-numbered registers. Register names are not case sensitive.

Register Pairs

r0-r1
r2-r3
r4-r5
r6-r7
r8-r9
r10-r11
r12-r13
r14-r15

The D10V also has predefined symbols for these control registers and status bits:

psw

Processor Status Word

bpsw

Backup Processor Status Word

pc

Program Counter

bpc

Backup Program Counter

rpt_c

Repeat Count

rpt_s

Repeat Start address

rpt_e

Repeat End address

mod_s

Modulo Start address

mod_e

Modulo End address

iba

Instruction Break Address

f0

Flag 0

f1

Flag 1

c

Carry flag


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