
Intel386
TM
DX MICROPROCESSOR
Table 6-1. Intel386
TM
DX Instruction Set Clock Count Summary
(Continued)
CLOCK COUNT
NOTES
Real
Address
Mode or
Virtual
8086
Mode
Real
Address
Mode or
Virtual
8086
Mode
INSTRUCTION
FORMAT
Protected
Virtual
Address
Mode
Protected
Virtual
Address
Mode
INTERRUPT INSTRUCTIONS
INT
e
Interrupt:
Type Specified
1 1 0 0 1 1 0 1
type
37
b
Type 3
1 1 0 0 1 1 0 0
33
b
INTO
e
Interrupt 4 if Overflow Flag Set
1 1 0 0 1 1 1 0
If OF
e
1
If OF
e
0
35
3
b, e
b, e
3
Bound
e
Interrupt 5 if Detect Value
Out of Range
0 1 1 0 0 0 1 0
mod reg
r/m
If Out of Range
If In Range
44
10
b, e
b, e
e, g, h, j, k, r
e, g, h, j, k, r
10
Protected Mode Only (INT)
INT: Type Specified
Via Interrupt or Trap Gate
to Same Privilege Level
Via Interrupt or Trap Gate
to Different Privilege Level
From 80286 Task to 80286 TSS via Task Gate
From 80286 Task to Intel386 DX TSS via Task Gate
From 80286 Task to virt 8086 md via Task Gate
From Intel386 DX Task to 80286 TSS via Task Gate
From Intel386 DX Task to Intel386 DX TSS via Task Gate
From Intel386 DX Task to virt 8086 md via Task Gate
From virt 8086 md to 80286 TSS via Task Gate
From virt 8086 md to Intel386 DX TSS via Task Gate
From virt 8086 md to priv level 0 via Trap Gate or Interrupt Gate
59
g, j, k, r
99
282
309
226
284
311
228
289
316
119
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
INT: TYPE 3
Via Interrupt or Trap Gate
to Same Privilege Level
Via Interrupt or Trap Gate
to Different Privilege Level
From 80286 Task to 80286 TSS via Task Gate
From 80286 Task to Intel386 DX TSS via Task Gate
From 80286 Task to Virt 8086 md via Task Gate
From Intel386 DX Task to 80286 TSS via Task Gate
From Intel386 DX Task to Intel386 DX TSS via Task Gate
From Intel386 DX Task to Virt 8086 md via Task Gate
From virt 8086 md to 80286 TSS via Task Gate
From virt 8086 md to Intel386 DX TSS via Task Gate
From virt 8086 md to priv level 0 via Trap Gate or Interrupt Gate
59
g, j, k, r
99
278
305
222
280
307
224
285
312
119
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
INTO:
Via Interrupt or Trap Grate
to Same Privilege Level
Via Interrupt or Trap Gate
to Different Privilege Level
From 80286 Task to 80286 TSS via Task Gate
From 80286 Task to Intel386 DX TSS via Task Gate
From 80286 Task to virt 8086 md via Task Gate
From Intel386 DX Task to 80286 TSS via Task Gate
From Intel386 DX Task to Intel386 DX TSS via Task Gate
From Intel386 DX Gate
From virt 8086 md to 80286 TSS via Task Gate
From virt 8086 md to Intel386 DX TSS via Task Gate
From virt 8086 md to priv level 0 via Trap Gate or Interrupt Gate
59
g, j, k, r
99
280
307
224
282
309
225
287
314
119
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
g, j, k, r
106