Example rgbdbg session on a simple Z80 program that sums up integers in register a

gistfile1.txt

$ ./target/rgbdbg
RGB debugger 0.0.1
Copyright (C) 2015 Aurelien Vallee
License MIT: http://opensource.org/licenses/MIT
(rgbdbg) h
Commands:
  help |h    List available commands
  file |f    Load Z80 executable binary
  next |n    Step execute the next instruction
  run  |r    Run the program until Cpu is stopped
  list |l    List upcoming instructions
  dump |d    Dump memory at location
  print|p    Print the current CPU state
  quit |q    Quit
(rgbdbg) l
-> NOP
   NOP
   NOP
   NOP
   NOP
   NOP
   NOP
   NOP
   NOP
   NOP
(rgbdbg) d
@x0000 | x00 x00 x00 x00 |
@x0004 | x00 x00 x00 x00 |
@x0008 | x00 x00 x00 x00 |
@x000C | x00 x00 x00 x00 |
@x0010 | x00 x00 x00 x00 |
@x0014 | x00 x00 x00 x00 |
(rgbdbg) p
|  A   F  |  B   C  |  D   E  |  H   L  |     PC |     SP | ZNHC---- |  M  |  T  |
| x00 x00 | x00 x00 | x00 x00 | x00 x00 | @x0000 | @x0000 | 00000000 |   0 |   0 |
|   0   0 |   0   0 |   0   0 |   0   0 |      - |      - |
|       0 |       0 |       0 |       0 | @    0 | @    0 |
(rgbdbg) file samples/sum_integers.z80
Loading: samples/sum_integers.z80.
Successfully loaded 8 bytes in memory.
(rgbdbg) l
-> LD B, 0x0A
   XOR A
   ADD A, B
   DEC B
   JR NZ, 0xFE
   STOP 0
   NOP
   NOP
   NOP
   NOP
(rgbdbg) d
@x0000 | x06 x0A xAF x80 |
@x0004 | x05 x20 xFE x10 |
@x0008 | x00 x00 x00 x00 |
@x000C | x00 x00 x00 x00 |
@x0010 | x00 x00 x00 x00 |
@x0014 | x00 x00 x00 x00 |
(rgbdbg) p
|  A   F  |  B   C  |  D   E  |  H   L  |     PC |     SP | ZNHC---- |  M  |  T  |
| x00 x00 | x00 x00 | x00 x00 | x00 x00 | @x0000 | @x0000 | 00000000 |   0 |   0 |
|   0   0 |   0   0 |   0   0 |   0   0 |      - |      - |
|       0 |       0 |       0 |       0 | @    0 | @    0 |
(rgbdbg) n
LD B, 0x0A
(rgbdbg) n
XOR A
(rgbdbg) n
ADD A, B
(rgbdbg) n
DEC B
(rgbdbg) n
JR NZ, 0xFE
(rgbdbg) p
|  A   F  |  B   C  |  D   E  |  H   L  |     PC |     SP | ZNHC---- |  M  |  T  |
| x0A x40 | x09 x00 | x00 x00 | x00 x00 | @x0003 | @x0000 | 01000000 |   8 |  32 |
|  10  64 |   9   0 |   0   0 |   0   0 |      - |      - |
|    2624 |    2304 |       0 |       0 | @    3 | @    0 |
(rgbdbg) r
LD B, 0x0A
XOR A
ADD A, B
DEC B
JR NZ, 0xFE
ADD A, B
DEC B
JR NZ, 0xFE
ADD A, B
DEC B
JR NZ, 0xFE
ADD A, B
DEC B
JR NZ, 0xFE
ADD A, B
DEC B
JR NZ, 0xFE
ADD A, B
DEC B
JR NZ, 0xFE
ADD A, B
DEC B
JR NZ, 0xFE
ADD A, B
DEC B
JR NZ, 0xFE
ADD A, B
DEC B
JR NZ, 0xFE
ADD A, B
DEC B
JR NZ, 0xFE
STOP 0
(rgbdbg) p
|  A   F  |  B   C  |  D   E  |  H   L  |     PC |     SP | ZNHC---- |  M  |  T  |
| x37 xC0 | x00 x00 | x00 x00 | x00 x00 | @x0008 | @x0000 | 11000000 |  53 | 212 |
|  55 192 |   0   0 |   0   0 |   0   0 |      - |      - |
|   14272 |       0 |       0 |       0 | @    8 | @    0 |
(rgbdbg) l
-> NOP
   NOP
   NOP
   NOP
   NOP
   NOP
   NOP
   NOP
   NOP
   NOP
(rgbdbg) q
Bye.
$