<div dir="ltr">SimNOW goes off into the weeds when int 1a is called. Here's the trace of execution:<br><br>C000:0003 E9E200 jmp loc_00e8<br>C000:00E8 60 pusha<br>C000:00E9 E84331 call loc_322f<br>
C000:322F B800C0 mov ax,c000<br>C000:3232 8ED8 mov ds,ax<br>C000:3234 BE0000 mov si,0000<br>C000:3237 BB2C00 mov bx,002c<br>C000:323A 8B17 mov dx,[bx]<br>C000:323C BB2E00 mov bx,002e<br>
C000:323F 8B0F mov cx,[bx]<br>C000:3241 B802B1 mov ax,b102<br>C000:3244 CD1A int 1a<br>FFFF:FFFF FF<br><br>I'm looking for the place where the interrupt vector was supposed to have been set.<br>
<br>Thanks,<br>Myles<br></div>