Hi

I realise this forum is for the original DOSBox, but maybe you could help.

I'm using heavy_debug with Dosbox staging and I get things like this (running vquake.exe):

1D01C:00002141  mov  bx,[1388]                  ds:[00001388]=3772     EAX:00000000 EBX:00000000 ECX:000009FC EDX:0000C000 ESI:00000031 EDI:00000057 EBP:00006FA6 ESP:00006E90 DS:D5E0 ES:0000 FS:0000 GS:0000 SS:D5E0 CF:0 ZF:0 SF:0 OF:0 AF:0 PF:0 IF:0
2D01C:000015D7  jmp  short 000015DC ($+3)       (down)                 EAX:00000000 EBX:00003772 ECX:000009FC EDX:0000D01C ESI:00000031 EDI:00000057 EBP:00006FAC ESP:00006FAA DS:D5E0 ES:D01C FS:0000 GS:0000 SS:D5E0 CF:0 ZF:1 SF:0 OF:0 AF:0 PF:1 IF:0

I was under the impression that the first column is the instruction pointer. If it is, how does it change from:
D01C:00002141 to D01C:000015D7

while executing:
mov bx,[1388]

My first guess would be that some instructions aren't being logged, but studying the code it doesn't seem all that likely. But I'm probably wrong.

Could it be an interrupt handler?