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- the value of the command register must be always 0x00 (BX_ERROR fixed)

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This commit is contained in:
Volker Ruppert 2002-11-04 17:29:12 +00:00
parent 4addb73d99
commit f375a0743b
1 changed files with 4 additions and 4 deletions
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8
bochs/iodev/dma.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: dma.cc,v 1.25 2002-10-25 11:44:38 bdenney Exp $
// $Id: dma.cc,v 1.26 2002-11-04 17:29:12 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002 MandrakeSoft S.A.
@ -134,7 +134,7 @@ bx_dma_c::get_TC(void)
bx_dma_c::init(void)
{
unsigned c, i, j;
BX_DEBUG(("Init $Id: dma.cc,v 1.25 2002-10-25 11:44:38 bdenney Exp $"));
BX_DEBUG(("Init $Id: dma.cc,v 1.26 2002-11-04 17:29:12 vruppert Exp $"));
/* 8237 DMA controller */
@ -447,8 +447,8 @@ bx_dma_c::write(Bit32u address, Bit32u value, unsigned io_len)
case 0x08: /* DMA-1: command register */
case 0xd0: /* DMA-2: command register */
ma_sl = (address == 0xd0);
if (value != 0x04)
BX_ERROR(("DMA: write to 0x%02x: value(%02xh) not 04h", address,
if (value != 0x00)
BX_ERROR(("write to command register: value(%02xh) not 0x00",
(unsigned) value));
BX_DMA_THIS s[ma_sl].command_reg = value;
return;