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New io handler functions

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1758
This commit is contained in:
Sjoerd van der Berg 2004-04-03 19:35:34 +00:00
parent d0e2bfa15f
commit 9cd769b878
23 changed files with 309 additions and 367 deletions
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20
src/hardware/timer.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: timer.cpp,v 1.22 2004-03-03 12:37:12 qbix79 Exp $ */
/* $Id: timer.cpp,v 1.23 2004-04-03 19:34:10 harekiet Exp $ */
#include "dosbox.h"
#include "inout.h"
@ -102,7 +102,7 @@ static void counter_latch(Bitu counter) {
}
static void write_latch(Bit32u port,Bit8u val) {
static void write_latch(Bitu port,Bitu val,Bitu iolen) {
Bitu counter=port-0x40;
PIT_Block * p=&pit[counter];
if(p->bcd == true) BIN2BCD(p->write_latch);
@ -149,7 +149,7 @@ static void write_latch(Bit32u port,Bit8u val) {
}
}
static Bit8u read_latch(Bit32u port) {
static Bitu read_latch(Bitu port,Bitu iolen) {
Bit32u counter=port-0x40;
if (pit[counter].go_read_latch == true)
counter_latch(counter);
@ -186,7 +186,7 @@ static Bit8u read_latch(Bit32u port) {
return ret;
}
static void write_p43(Bit32u port,Bit8u val) {
static void write_p43(Bitu port,Bitu val,Bitu iolen) {
Bitu latch=(val >> 6) & 0x03;
switch (latch) {
case 0:
@ -219,12 +219,12 @@ static void write_p43(Bit32u port,Bit8u val) {
void TIMER_Init(Section* sect) {
IO_RegisterWriteHandler(0x40,write_latch,"PIT Timer 0");
IO_RegisterWriteHandler(0x42,write_latch,"PIT Timer 2");
IO_RegisterWriteHandler(0x43,write_p43,"PIT Mode Control");
IO_RegisterReadHandler(0x40,read_latch,"PIT Timer 0");
// IO_RegisterReadHandler(0x41,read_p41,"PIT Timer 1");
IO_RegisterReadHandler(0x42,read_latch,"PIT Timer 2");
IO_RegisterWriteHandler(0x40,write_latch,IO_MB);
IO_RegisterWriteHandler(0x42,write_latch,IO_MB);
IO_RegisterWriteHandler(0x43,write_p43,IO_MB);
IO_RegisterReadHandler(0x40,read_latch,IO_MB);
// IO_RegisterReadHandler(0x41,read_p41,IO_MB);
IO_RegisterReadHandler(0x42,read_latch,IO_MB);
/* Setup Timer 0 */
pit[0].cntr=0x10000;
pit[0].write_state = 3;