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EXAMPLES
CPU32Bug>rd<CR>
PC
=00003000
SFC
=0=F0
D0
=00000000
D4
=00000000
A0
=00000000
A4
=00000000
00003000
424F
CPU32Bug>
An asterisk following a stack pointer name indicates an active
stack pointer. To facilitate reading the status register it includes a
mnemonic portion. These mnemonics are:
Trace Bits
T1
0
0
1
1
S Bits
Interrupt Mask
Condition Codes
M68CPU32BUG/D REV 1
Register Display
SR
=2700=TR:OFF_S_7_.....
DFC
=0=F0
D1
=00000000
D5
=00000000
A1
=00000000
A5
=00000000
DC.W
NOTES
The trace bits (T0, T1) control the trace feature of the MCU and are
displayed by the mnemonic as shown in the following table. The user
should not modify these bits when executing user programs.
T0
Mnemonic
0
TR:OFF
1
TR:CHG
0
TR:ALL
1
TR:INV
The bit name (S) appears if the supervisor/user state bit is set, otherwise a
period (.) indicates it is cleared.
A number from 0 to 7 indicates the current processor priority level.
The bit name (X, N, Z, V, C) appears if the respective bit is set, otherwise
a period (.) indicates it is cleared.
USP
=0000F830
D2
=00000000
D6
=00000000
A2
=00000000
A6
=00000000
$424F
Description
Trace off
Trace on change of flow
Trace all states
Invalid mode
3-54
DEBUG MONITOR COMMANDS
VBR
=00000000
SSP*
=00004000
D3
=00000000
D7
=00000000
A3
=00000000
A7
=00004000
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