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New dma function parameters and callback function.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@682
This commit is contained in:
Sjoerd van der Berg 2003-02-22 12:12:52 +00:00
parent 7f0dfa4da3
commit 100f507154
1 changed files with 8 additions and 4 deletions
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12
include/dma.h
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@ -16,10 +16,14 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
typedef void (* DMA_EnableCallBack)(bool enable);
Bit16u DMA_8_Read(Bit32u channel,Bit8u * buffer,Bit16u count);
Bit16u DMA_8_Write(Bit32u dmachan,Bit8u * buffer,Bit16u count);
Bit16u DMA_16_Read(Bit32u channel,Bit8u * buffer,Bit16u count);
Bit16u DMA_16_Write(Bit32u dmachan,Bit8u * buffer,Bit16u count);
void DMA_SetEnableCallBack(Bitu channel,DMA_EnableCallBack callback);
Bitu DMA_8_Read(Bitu channel,Bit8u * buffer,Bitu count);
Bitu DMA_8_Write(Bitu dmachan,Bit8u * buffer,Bitu count);
Bitu DMA_16_Read(Bitu channel,Bit8u * buffer,Bitu count);
Bitu DMA_16_Write(Bitu dmachan,Bit8u * buffer,Bitu count);