191
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
Example: INTE
6809 6800 6809 6800
8088 8088
FFFF F8F0
R15
000FFFD8
xxxxxxxx
7FFFFFF8
7FFFFFFC
80000000
000FFFD8
7FFFFFF8
7FFFFFFC
80000000
8000 0000
4000 0000
SSP
TBR
4000 0000
000F FC00
USP
PC
FFF5 F8F0
8088 8086
PS
10101
ILM
00100
ILM
110000
SINZVC
CCR
R15
7FFF FFF8
7FFF FFF8
SSP
TBR
4000 0000
000F FC00
USP
PC
FFE4 F8D0
6809 6800
PS
010000
SINZVC
CCR
Memory Memory
Before execution After execution
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Instruction bit pattern : 1001 1111 0011 0000