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- don't set TRACK0 status for non-existing drive

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This commit is contained in:
Volker Ruppert 2009-03-08 08:22:23 +00:00
parent f3d3857ce3
commit 55d20d99ee
1 changed files with 5 additions and 3 deletions
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8
bochs/iodev/floppy.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: floppy.cc,v 1.116 2009-02-23 08:31:41 vruppert Exp $
// $Id: floppy.cc,v 1.117 2009-03-08 08:22:23 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002 MandrakeSoft S.A.
@ -141,7 +141,7 @@ void bx_floppy_ctrl_c::init(void)
{
Bit8u i, cmos_value;
BX_DEBUG(("Init $Id: floppy.cc,v 1.116 2009-02-23 08:31:41 vruppert Exp $"));
BX_DEBUG(("Init $Id: floppy.cc,v 1.117 2009-03-08 08:22:23 vruppert Exp $"));
DEV_dma_register_8bit_channel(2, dma_read, dma_write, "Floppy Drive");
DEV_register_irq(6, "Floppy Drive");
for (unsigned addr=0x03F2; addr<=0x03F7; addr++) {
@ -788,7 +788,9 @@ void bx_floppy_ctrl_c::floppy_command(void)
BX_FD_THIS s.head[drive] = (BX_FD_THIS s.command[1] >> 2) & 0x01;
BX_FD_THIS s.status_reg3 = 0x28 | (BX_FD_THIS s.head[drive]<<2) | drive
| (BX_FD_THIS s.media[drive].write_protected ? 0x40 : 0x00);
if (BX_FD_THIS s.cylinder[drive] == 0) BX_FD_THIS s.status_reg3 |= 0x10;
if ((BX_FD_THIS s.device_type[drive] != FDRIVE_NONE) &&
(BX_FD_THIS s.cylinder[drive] == 0))
BX_FD_THIS s.status_reg3 |= 0x10;
enter_result_phase();
return;