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Clean-ups for Jantotsu, nw

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This commit is contained in:
Angelo Salese 2011-12-18 17:12:45 +00:00
parent b62934be50
commit 8683ea6d01
1 changed files with 20 additions and 26 deletions
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46
src/mame/drivers/jantotsu.c
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@ -97,6 +97,8 @@ dumped by sayu
#include "sound/sn76496.h"
#include "sound/msm5205.h"
#define MAIN_CLOCK XTAL_18_432MHz
class jantotsu_state : public driver_device
{
public:
@ -138,6 +140,7 @@ static SCREEN_UPDATE(jantotsu)
jantotsu_state *state = screen->machine().driver_data<jantotsu_state>();
int x, y, i;
int count = 0;
UINT8 pen_i;
if(!state->m_display_on)
return 0;
@ -146,20 +149,14 @@ static SCREEN_UPDATE(jantotsu)
{
for (x = 0; x < 256; x += 8)
{
int pen[4], color;
UINT8 color;
for (i = 0; i < 8; i++)
{
pen[0] = (state->m_bitmap[count + 0x0000]) >> (7 - i);
pen[1] = (state->m_bitmap[count + 0x2000]) >> (7 - i);
pen[2] = (state->m_bitmap[count + 0x4000]) >> (7 - i);
pen[3] = (state->m_bitmap[count + 0x6000]) >> (7 - i);
color = state->m_col_bank;
color = ((pen[0] & 1) << 0);
color |= ((pen[1] & 1) << 1);
color |= ((pen[2] & 1) << 2);
color |= ((pen[3] & 1) << 3);
color |= state->m_col_bank;
for(pen_i = 0;pen_i<4;pen_i++)
color |= (((state->m_bitmap[count + pen_i*0x2000]) >> (7 - i)) & 1) << pen_i;
if ((x + i) <= screen->visible_area().max_x && (y + 0) < screen->visible_area().max_y)
*BITMAP_ADDR32(bitmap, y, x + i) = screen->machine().pens[color];
@ -233,29 +230,26 @@ static PALETTE_INIT( jantotsu )
static READ8_HANDLER( jantotsu_mux_r )
{
jantotsu_state *state = space->machine().driver_data<jantotsu_state>();
UINT8 coin_port = input_port_read(space->machine(), "COINS");
const char *const portnames[] = { "PL1_1", "PL1_2", "PL1_3", "PL1_4",
"PL2_1", "PL2_2", "PL2_3", "PL2_4" };
UINT8 i,res;
// printf("%02x\n", state->m_mux_data);
res = input_port_read(space->machine(), "COINS");
switch (state->m_mux_data)
for(i=0;i<8;i++)
{
case 0x01: return input_port_read(space->machine(), "PL1_1") | coin_port;
case 0x02: return input_port_read(space->machine(), "PL1_2") | coin_port;
case 0x04: return input_port_read(space->machine(), "PL1_3") | coin_port;
case 0x08: return input_port_read(space->machine(), "PL1_4") | coin_port;
case 0x10: return input_port_read(space->machine(), "PL2_1") | coin_port;
case 0x20: return input_port_read(space->machine(), "PL2_2") | coin_port;
case 0x40: return input_port_read(space->machine(), "PL2_3") | coin_port;
case 0x80: return input_port_read(space->machine(), "PL2_4") | coin_port;
if((~state->m_mux_data) & (1 << i))
res |= input_port_read(space->machine(), portnames[i]);
}
return coin_port;
return res;
}
static WRITE8_HANDLER( jantotsu_mux_w )
{
jantotsu_state *state = space->machine().driver_data<jantotsu_state>();
state->m_mux_data = ~data;
state->m_mux_data = data;
}
/*If bits 6 & 7 doesn't return 0x80,the game hangs until this bit is set,
@ -507,7 +501,7 @@ static MACHINE_RESET( jantotsu )
static MACHINE_CONFIG_START( jantotsu, jantotsu_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80,18432000/4)
MCFG_CPU_ADD("maincpu", Z80,MAIN_CLOCK/4)
MCFG_CPU_PROGRAM_MAP(jantotsu_map)
MCFG_CPU_IO_MAP(jantotsu_io)
MCFG_CPU_VBLANK_INT("screen", nmi_line_pulse)
@ -532,13 +526,13 @@ static MACHINE_CONFIG_START( jantotsu, jantotsu_state )
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("sn1", SN76489A, 18432000/4)
MCFG_SOUND_ADD("sn1", SN76489A, MAIN_CLOCK/4)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MCFG_SOUND_ADD("sn2", SN76489A, 18432000/4)
MCFG_SOUND_ADD("sn2", SN76489A, MAIN_CLOCK/4)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MCFG_SOUND_ADD("adpcm", MSM5205, 384000)
MCFG_SOUND_ADD("adpcm", MSM5205, XTAL_384kHz)
MCFG_SOUND_CONFIG(msm5205_config)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
MACHINE_CONFIG_END