90c38ed200
a group of dos emulator developers. Submitted by: Jonathan Lemon <jlemon@americantv.com> Obtained from: BSDI
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/*
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** No copyright ?!
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**
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** $Id: cpu.c,v 1.5 1996/09/25 11:05:54 miff Exp $
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*/
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#include "doscmd.h"
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/*
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** Hardware /0 interrupt
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*/
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void
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int00(regcontext_t *REGS)
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{
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debug(D_ALWAYS, "Divide by 0 in DOS program!\n");
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exit(1);
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}
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void
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int01(regcontext_t *REGS)
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{
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debug(D_ALWAYS, "INT 1 with no handler! (single-step/debug)\n");
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}
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void
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int03(regcontext_t *REGS)
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{
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debug(D_ALWAYS, "INT 3 with no handler! (breakpoint)\n");
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}
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void
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int0d(regcontext_t *REGS)
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{
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debug(D_ALWAYS, "IRQ5 with no handler!\n");
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}
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void
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cpu_init(void)
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{
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u_long vec;
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vec = insert_hardint_trampoline();
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ivec[0x00] = vec;
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register_callback(vec, int00, "int 00");
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vec = insert_softint_trampoline();
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ivec[0x01] = vec;
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register_callback(vec, int01, "int 01");
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vec = insert_softint_trampoline();
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ivec[0x03] = vec;
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register_callback(vec, int03, "int 03");
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vec = insert_hardint_trampoline();
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ivec[0x0d] = vec;
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register_callback(vec, int0d, "int 0d");
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vec = insert_null_trampoline();
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ivec[0x34] = vec; /* floating point emulator */
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ivec[0x35] = vec; /* floating point emulator */
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ivec[0x36] = vec; /* floating point emulator */
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ivec[0x37] = vec; /* floating point emulator */
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ivec[0x38] = vec; /* floating point emulator */
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ivec[0x39] = vec; /* floating point emulator */
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ivec[0x3a] = vec; /* floating point emulator */
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ivec[0x3b] = vec; /* floating point emulator */
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ivec[0x3c] = vec; /* floating point emulator */
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ivec[0x3d] = vec; /* floating point emulator */
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ivec[0x3e] = vec; /* floating point emulator */
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ivec[0x3f] = vec; /* floating point emulator */
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}
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