RegisterNames

Global Register Names Definition

RegisterNames.psm defines:

• 4 argument registers
• 6 temporary registers
• 6 special purpose registers
  • 2 pointer registers
  • 1 next thread register
  • 1 counter register
  • 1 LOAD&RETURN register
  • 1 stack pointer register

The following tables summarizes this:

Reg#	Name	Description
s0	REG_ARG0	argument 0
s1	REG_ARG1	argument 1
s2	REG_ARG2	argument 2
s3	REG_ARG3	argument 3
s4	REG_TMP0	temp. register 0
s5	REG_TMP1	temp. register 1
s6	REG_TMP2	temp. register 2
s7	REG_TMP3	temp. register 3
s8	REG_TMP4	temp. register 4
s9	REG_TMP5	temp. register 5
sA	REG_PTR_L	pointer low (7:0)
sB	REG_PTR_H	pointer high (11:8)
sC	REG_NT	next thread
sD	REG_CNT	counter
sE	REG_LAR	LOAD&RETURN
sF	REG_SP	stack pointer