236
Table 2-8 Bus States (cont)
Instruction
1
2
3
4
5
6
7
8
STC CCR,@ERd
R:W 2nd
R:W NEXT
W:W EA
STC CCR,@(d:16,ERd)
R:W 2nd
R:W 3rd
R:W NEXT
W:W EA
STC CCR,@(d:24,ERd)
R:W 2nd
R:W 3rd
R:W 4th
R:W 5th
R:W NEXT
W:W EA
STC CCR,@–ERd
R:W 2nd
R:W NEXT
Internal operation, W:W EA
2 states
STC CCR,@aa:16
R:W 2nd
R:W 3rd
R:W NEXT
W:W EA
STC CCR,@aa:24
R:W 2nd
R:W 3rd
R:W 4th
R:W NEXT
W:W EA
SUB.B Rs,Rd
R:W NEXT
SUB.W #xx:16,Rd
R:W 2nd
R:W NEXT
SUB.W Rs,Rd
R:W NEXT
SUB.L #xx:32,ERd
R:W 2nd
R:W 3rd
R:W NEXT
SUB.L ERs,ERd
R:W NEXT
SUBS #1/2/4,ERd
R:W NEXT
SUBX #xx:8,Rd
R:W NEXT
SUBX Rs,Rd
R:W NEXT
TRAPA #x:2
Normal
R:W NEXT
Internal operation, W:W Stack (L)
W:W Stack (H)
R:W VEC
Internal operation, R:W (
*
7)
2 states
2 states
Advanced
R:W NEXT
Internal operation, W:W Stack (L)
W:W Stack (H)
R:W VEC
R:W VEC+2
Internal operation, R:W (
*
7)
2 states
2 states
XOR.B #xx8,Rd
R:W NEXT
XOR.B Rs,Rd
R:W NEXT
XOR.W #xx:16,Rd
R:W 2nd
R:W NEXT
XOR.W Rs,Rd
R:W NEXT
XOR.L #xx:32,ERd
R:W 2nd
R:W 3rd
R:W NEXT
XOR.L ERs,ERd
R:W 2nd
R:W NEXT
XORC #xx:8,CCR
R:W NEXT
Reset exception
Normal
R:W VEC
Internal operation, R:W (
*
5)
handling
2 states
Advanced
R:W VEC
R:W VEC+2
Internal operation, R:W (
*
5)
2 states
Interrupt exception
Normal
R:W (
*
6)
Internal operation, W:W stack (L)
W:W stack (H)
R:W VEC
Internal operation, R:W (
*
7)
handling
2 states
2 states
Advanced
R:W (
*
6)
Internal operation, W:W stack (L)
W:W stack (H)
R:W VEC
R:W VEC+2
Internal operation, R:W (
*
7)
2 states
2 states