Programming Model - Fujitsu MB91150 Series Hardware Manual

CHAPTER 3 MEMORY SPACE, CPU AND CONTROL UNIT
3.3

Programming Model

This section describes the basic programming model and each register of the device.
I Basic programming model
Figure 3.3-1 "Basic programming mode" shows the basic programming model.
General-purpose register
Program counter
Program status
Table base register
Return pointer
System stack pointer
User stack pointer
Multiplication or division
result register
36
Figure 3.3-1 Basic programming model
R1
R12
R13
R14
R15
PC

PS ILM
TBR
RP
SSP
USP
MDH
MDL
32 bits
[Initial value]
XXXX XXXX
XXXX XXXX
XXXX XXXX
AC XXXX XXXX
FP XXXX XXXX
0000 0000
SP
XXXX XXXX

SCR CCR
000F
XXXX XXXX
0000 0000
XXXX XXXX
XXXX XXXX
XXXX XXXX
H
H
H
H
H
H
H
FC00
H
H
H
H
H
H