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another 32x fix (not worth)

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This commit is contained in:
Angelo Salese 2010-09-28 19:15:21 +00:00
parent 28bb97a62b
commit 0e04bda7d3
1 changed files with 29 additions and 0 deletions
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29
src/mame/drivers/megadriv.c
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@ -2988,11 +2988,35 @@ static WRITE16_HANDLER( _32x_sh2_common_4002_w )
// 0 = every line
/**********************************************************************************************/
static UINT16 hcount;
static READ16_HANDLER( _32x_sh2_common_4004_r )
{
return hcount;
}
static WRITE16_HANDLER( _32x_sh2_common_4004_w )
{
hcount = data & 0xff;
}
/**********************************************************************************************/
// SH2 side 4006
// DReq Control Register
/**********************************************************************************************/
static READ16_HANDLER( _32x_sh2_common_4006_r )
{
printf("DREQ read!\n");
return 0;
}
static WRITE16_HANDLER( _32x_sh2_common_4006_w )
{
printf("DREQ write!\n");
}
/**********************************************************************************************/
// SH2 side 4008
// 68k To SH2 DReq Source Address Register ( High Bits )
@ -3342,6 +3366,9 @@ _32X_MAP_WRITEHANDLERS(master_4000,common_4002) // _32x_sh2_master_4000_common_4
_32X_MAP_READHANDLERS(slave_4000,common_4002) // _32x_sh2_slave_4000_common_4002_r
_32X_MAP_WRITEHANDLERS(slave_4000,common_4002) // _32x_sh2_slave_4000_common_4002_w
_32X_MAP_READHANDLERS(common_4004,common_4006)
_32X_MAP_WRITEHANDLERS(common_4004,common_4006)
_32X_MAP_WRITEHANDLERS(master_4014,master_4016) // _32x_sh2_master_4014_master_4016_w
_32X_MAP_WRITEHANDLERS(master_4018,master_401a) // _32x_sh2_master_4018_master_401a_w
_32X_MAP_WRITEHANDLERS(master_401c,master_401e) // _32x_sh2_master_401c_master_401e_w
@ -3387,6 +3414,7 @@ static ADDRESS_MAP_START( sh2_main_map, ADDRESS_SPACE_PROGRAM, 32 )
AM_RANGE(0x00000000, 0x00003fff) AM_ROM
AM_RANGE(0x00004000, 0x00004003) AM_READWRITE( _32x_sh2_master_4000_common_4002_r, _32x_sh2_master_4000_common_4002_w )
AM_RANGE(0x00004004, 0x00004007) AM_READWRITE( _32x_sh2_common_4004_common_4006_r, _32x_sh2_common_4004_common_4006_w)
AM_RANGE(0x00004010, 0x00004013) AM_READ( _32x_sh2_common_4010_common_4012_r )
@ -3416,6 +3444,7 @@ static ADDRESS_MAP_START( sh2_slave_map, ADDRESS_SPACE_PROGRAM, 32 )
AM_RANGE(0x00000000, 0x00003fff) AM_ROM
AM_RANGE(0x00004000, 0x00004003) AM_READWRITE( _32x_sh2_slave_4000_common_4002_r, _32x_sh2_slave_4000_common_4002_w )
AM_RANGE(0x00004004, 0x00004007) AM_READWRITE( _32x_sh2_common_4004_common_4006_r, _32x_sh2_common_4004_common_4006_w)
AM_RANGE(0x00004010, 0x00004013) AM_READ( _32x_sh2_common_4010_common_4012_r )