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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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26
src/hardware/keyboard.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: keyboard.cpp,v 1.21 2004-02-07 18:35:24 harekiet Exp $ */
/* $Id: keyboard.cpp,v 1.22 2004-04-03 19:35:34 harekiet Exp $ */
#include <string.h>
#include "dosbox.h"
@ -147,7 +147,7 @@ void KEYBOARD_ReadKey(Bitu & scancode,Bitu & ascii,Bitu & mod) {
}
}
static Bit8u read_p60(Bit32u port) {
static Bitu read_p60(Bitu port,Bitu iolen) {
keyb.key_on_60 = false;
switch (keyb.buf.state) {
case STATE_NORMAL:
@ -168,7 +168,7 @@ static Bit8u read_p60(Bit32u port) {
return 0;
}
static void write_p60(Bit32u port,Bit8u val) {
static void write_p60(Bitu port,Bitu val,Bitu iolen) {
switch (keyb.command) {
case CMD_NONE: /* None */
KEYBOARD_ClrBuffer();
@ -217,13 +217,13 @@ static void write_p60(Bit32u port,Bit8u val) {
}
}
static Bit8u read_p61(Bit32u port) {
static Bitu read_p61(Bitu port,Bitu iolen) {
port_61_data^=0x20;
port_61_data^=0x10;
return port_61_data;
}
static void write_p61(Bit32u port,Bit8u val) {
static void write_p61(Bitu port,Bitu val,Bitu iolen) {
/*
if (val & 128) if (!keyb.read_active) KEYBOARD_ReadBuffer();
Keys should get acknowledged just by reading 0x60.
@ -233,7 +233,7 @@ static void write_p61(Bit32u port,Bit8u val) {
port_61_data=val;
}
static void write_p64(Bit32u port,Bit8u val) {
static void write_p64(Bitu port,Bitu val,Bitu iolen) {
switch (val) {
case 0xae: /* Activate keyboard */
keyb.active=true;
@ -261,7 +261,7 @@ static void write_p64(Bit32u port,Bit8u val) {
}
}
static Bit8u read_p64(Bit32u port) {
static Bitu read_p64(Bitu port,Bitu iolen) {
// Bit8u status= 0x1c | ((keyb.buf.used ||keyb.key_on_60)? 0x1 : 0x0);
// Old one. Digitracker 2 doesn't like this. key_on_60 is much more advanged.
Bit8u status= 0x1c | (keyb.key_on_60? 0x1 : 0x0);
@ -420,12 +420,12 @@ void KEYBOARD_AddKey(KBD_KEYS keytype,Bitu unicode,Bitu mod,bool pressed) {
}
void KEYBOARD_Init(Section* sec) {
IO_RegisterWriteHandler(0x60,write_p60,"Keyboard");
IO_RegisterReadHandler(0x60,read_p60,"Keyboard");
IO_RegisterWriteHandler(0x61,write_p61,"Keyboard");
IO_RegisterReadHandler(0x61,read_p61,"Keyboard");
IO_RegisterWriteHandler(0x64,write_p64,"Keyboard");
IO_RegisterReadHandler(0x64,read_p64,"Keyboard");
IO_RegisterWriteHandler(0x60,write_p60,IO_MB);
IO_RegisterReadHandler(0x60,read_p60,IO_MB);
IO_RegisterWriteHandler(0x61,write_p61,IO_MB);
IO_RegisterReadHandler(0x61,read_p61,IO_MB);
IO_RegisterWriteHandler(0x64,write_p64,IO_MB);
IO_RegisterReadHandler(0x64,read_p64,IO_MB);
port_61_data=0; /* Direct Speaker control and output disabled */
// memset(&event_handlers,0,sizeof(event_handlers));