Cycle View - Fujitsu MB2147-01 Application Note

The next illustration shows the relationship between execution (trace window) and the compiled source code:
23:
000C01D4: C000
000C01D6: 8B0D
000C01D8: 1A01
24:
000C01DA: CFF0
000C01DC: 9B0C0401
000C01E0: 16C0
25:
26:
27:
28:
000C01E2: 9B044E20
000C01E6: D7DB
16: void wait(unsigned int a)
000C019E: 1704
000C01A0: 1781
000C01A2: 0F01
17: {
18:
000C01A4: C000
Note, you can jump to any frame by right clicking into the trace window using Jump... .
Also a Trace Back function is provided to see the executed instructions in history.
6.1.2

Cycle View

To view the trace buffer by cycle click with the right mouse button into the trace window and choose Cycle. For
the example above you will see the following:
Frame no.
-00021 :
-00020 :
-00019 :
-00018 :
-00017 :
-00016 :
-00015 :
-00014 :
-00013 :
-00012 :
-00011 :
-00010 :
-00009 :
-00008 :
-00007 :
-00006 :
-00005 :
-00004 :
-00003 :
-00002 :
-00001 :
00000 :
In this view each executed machine cycle is displayed.
FR Family MB2198-01 Emulating and Debugging Installation Guide, Doc. No. 002-05223 Rev. *A
Source Code:
PDR1=0x00;
LDI:8 #00,R0
MOV R0,R13
DMOVB R13,@001
DDR1=0xFF;
LDI:8 #FF,R0
LDI:20 #00401,R12
STB R0,@R12
while (1)
{
wait(20000);
LDI:20 #04E20,R4
CALL \wait
ST R4,@-R15
ST RP,@-R15
ENTER #004
for (i=0; i<a; i++);
LDI:8 #00,R0
address data (-00279 .. 00000)
000C0222 BTSTH
read 08 at 00000482
000C0222 BTSTH
read 08 at 00000482
000C0222 BTSTH
read 88 at 00000482
write 76 at 00000484
write 01 at 00000486
write F0 at 00000487
write 00000000 at 0003C000
000C026E LDI:32
000C02A6 LDI:32
000C01D0 ST
write 000C02AE at 0003C802
write 00000487 at 0003C7FE
write 00 at 00000001
write FF at 00000401
000C019E ST
write 00004E20 at 0003C7FA
write 000C01E8 at 0003C7F6
write 0003C7FE at 0003C7F2
----
MAIN.C$23
: 000C01D4
: 000C01D6
: 000C01D8
-00006 : write
MAIN.C$24
: 000C01DA
: 000C01DC
: 000C01E0
-00005 : write
MAIN.C$28
: 000C01E2
: 000C01E6
MAIN.C$16 void wait(unsigned int a)
\wait:
-00004 : 000C019E
-00003 : write
: 000C01A0
-00002 : write
: 000C01A2
-00001 : write
#8,@R14
#8,@R14
#8,@R14
#0003C000,R0
#000C01D0,R12
RP,@-R15
R4,@-R15
Trace view:
PDR1=0x00;
LDI:8 #00,R0
MOV R0,R13
DMOVB R13,@001
00 at 00000001
DDR1=0xFF;
LDI:8 #FF,R0
LDI:20 #00401,R12
STB R0,@R12
FF at 00000401
wait(20000);
LDI:20 #04E20,R4
CALL \wait
ST R4,@-R15
00004E20 at 0003C7FA
ST RP,@-R15
000C01E8 at 0003C7F6
ENTER #004
0003C7FE at 0003C7F2
time stamp
9,250
9,050
9,000
8,925
9,000
6,800
4,525
1,600
1,150
1,375
Trace
275
675
50
125
75
275
825
625
50
25
275
325
800
25
125
75
350
23