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New IO Functions

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1380
This commit is contained in:
Sjoerd van der Berg 2003-10-27 13:19:19 +00:00
parent 45c1f1c663
commit 9f6a6bc5cf
6 changed files with 168 additions and 124 deletions
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58
include/inout.h
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@ -16,33 +16,43 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
typedef Bit8u (IO_ReadHandler)(Bit32u port);
typedef void (IO_WriteHandler)(Bit32u port,Bit8u value);
typedef Bit8u (IO_ReadBHandler)(Bit32u port);
typedef Bit16u (IO_ReadWHandler)(Bit32u port);
typedef Bit32u (IO_ReadDHandler)(Bit32u port);
typedef void (IO_WriteBHandler)(Bit32u port,Bit8u value);
typedef void (IO_WriteWHandler)(Bit32u port,Bit16u value);
typedef void (IO_WriteDHandler)(Bit32u port,Bit32u value);
#define IO_MAX 1024
void IO_RegisterReadBHandler(Bitu port,IO_ReadBHandler * handler);
void IO_RegisterReadWHandler(Bitu port,IO_ReadWHandler * handler);
void IO_RegisterReadDHandler(Bitu port,IO_ReadDHandler * handler);
struct IO_ReadBlock{
IO_ReadHandler * handler;
char * name;
};
void IO_RegisterWriteBHandler(Bitu port,IO_WriteBHandler * handler);
void IO_RegisterWriteWHandler(Bitu port,IO_WriteWHandler * handler);
void IO_RegisterWriteDHandler(Bitu port,IO_WriteDHandler * handler);
struct IO_WriteBlock{
IO_WriteHandler * handler;
char * name;
};
void IO_FreeReadHandler(Bitu port);
void IO_FreeWriteHandler(Bitu port);
extern IO_ReadBlock IO_ReadTable[IO_MAX];
extern IO_WriteBlock IO_WriteTable[IO_MAX];
void IO_Write(Bitu num,Bit8u val);
Bit8u IO_Read(Bitu num);
void IO_RegisterReadHandler(Bit32u port,IO_ReadHandler * handler,char * name);
void IO_RegisterWriteHandler(Bit32u port,IO_WriteHandler * handler,char * name);
void IO_FreeReadHandler(Bit32u port);
void IO_FreeWriteHandler(Bit32u port);
void IO_WriteB(Bitu port,Bit8u val);
Bit8u IO_ReadB(Bitu port);
void IO_WriteW(Bitu port,Bit16u val);
Bit16u IO_ReadW(Bitu port);
void IO_WriteD(Bitu port,Bit32u val);
Bit32u IO_ReadD(Bitu port);
INLINE void IO_Write(Bitu port,Bit8u val) {
IO_WriteB(port,val);
}
INLINE Bit8u IO_Read(Bitu port){
return IO_ReadB(port);
}
INLINE void IO_RegisterReadHandler(Bitu port,IO_ReadBHandler * handler,char * name) {
IO_RegisterReadBHandler(port,handler);
}
INLINE void IO_RegisterWriteHandler(Bitu port,IO_WriteBHandler * handler,char * name) {
IO_RegisterWriteBHandler(port,handler);
}