Category: CPU-generated
Flags: callout or callback (usually hooked rather than called)
INT 03 - CPU-generated - BREAKPOINT
Desc: generated by the one-byte breakpoint instruction (opcode CCh)
Notes: used by debuggers to implement breakpoints, such as MS-DOS DEBUG's G
command
also used by Turbo Pascal versions 1,2,3 when {$U+} specified
return address points to byte following the breakpoint instruction
called by Novell DOS 7 EMM386 after displaying an exception error
message (GPF, illegal opcodes, etc.) and before waiting for user
input
called by QEMM-386 if the user presses 'I' (undocumented) when prompted
after an exception error message
SeeAlso: INT 01"CPU"