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RD
The source and destination function code registers (SFC, DFC) include a two character
mnemonic:
Function Code
0
1
2
3
4
5
6
7
To set the display to D6 and A3 only.
CPU32Bug>RD =D6/A3<CR>
D6
=00000000 A3
00003000 4AFC
CPU32Bug>
Note that the above sequence sets the display to D6 only and then adds register A3 to the display.
To restore all the MPU registers.
CPU32Bug>rd +mpu<CR>
PC
=00003000
SFC =0=F0
D0
=00000000
D4
=00000000
A0
=00000000
A4
=00000000
00003000 4AFC
CPU32Bug>
Note that an equivalent command is ''RD +PC-A7'' or ''RD =PC-A7''.
M68CPU32BUG/D REV 1
Register Display
=00000000
ILLEGAL
SR
=2700=TR:OFF_S_7_.....
DFC
=0=F0
D1
=00000000
D5
=00000000
A1
=00000000
A5
=00000000
ILLEGAL
Mnemonic
F0
UD
UP
F3
F4
SD
SP
CS
USP
=00003830
D2
=00000000
D6
=00000000
A2
=00000000
A6
=00000000
3-55
DEBUG MONITOR COMMANDS
Description
Undefined
User Data
User Program
Undefined
Undefined
Supervisor Data
Supervisor Program
CPU Space
VBR
=00000000
SSP*
=00004000
D3
=00000000
D7
=00000000
A3
=00000000
A7
=00004000
RD
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