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Hooked up drawing

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This commit is contained in:
Angelo Salese 2011-09-21 19:32:50 +00:00
parent c06bfbfa28
commit f603291c0e
3 changed files with 61 additions and 5 deletions
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56
src/emu/video/h63484.c
View File

@ -849,7 +849,8 @@ void h63484_device::process_fifo()
break;
default:
fatalerror("stop!");
printf("%04x\n",m_cr);
//fatalerror("stop!");
break;
}
}
@ -956,6 +957,22 @@ void h63484_device::video_registers_w(int offset)
m_mwr[(offset & 0x18) >> 3] = vreg_data & 0xfff; // pitch
m_mwr_chr[(offset & 0x18) >> 3] = (vreg_data & 0x8000) >> 15;
break;
case 0xc4: // Start Address Register
case 0xcc:
case 0xd4:
case 0xdc:
m_sar[(offset & 0x18) >> 3] = ((vreg_data & 0xf) << 16) | (m_sar[(offset & 0x18) >> 3] & 0xffff);
m_sda[(offset & 0x18) >> 3] = (vreg_data & 0x0f00) >> 8;
break;
case 0xc6: // Start Address Register
case 0xce:
case 0xd6:
case 0xde:
m_sar[(offset & 0x18) >> 3] = (vreg_data & 0xffff) | (m_sar[(offset & 0x18) >> 3] & 0xf0000);
break;
default:
if(LOG) printf("%s -> %04x\n",acrtc_regnames[m_ar/2],vreg_data);
break;
@ -1036,6 +1053,35 @@ void h63484_device::device_reset()
// ...
}
//-------------------------------------------------
// draw_graphics_line -
//-------------------------------------------------
void h63484_device::draw_graphics_line(bitmap_t *bitmap, const rectangle *cliprect, int y, int layer_n)
{
int x;
int pitch;
int base_offs;
pitch = m_mwr[layer_n];
base_offs = m_sar[layer_n];
for(x=0;x<pitch * 4;x+=4)
{
UINT16 data;
data = readbyte(base_offs + (x >> 1) + y * pitch * 2);
m_display_cb(this, bitmap, y, x+3, (data >> 4) & 0xf);
m_display_cb(this, bitmap, y, x+2, data & 0xf);
data = readbyte(base_offs + ((x + 2) >> 1) + y * pitch * 2);
m_display_cb(this, bitmap, y, x+1, (data >> 4) & 0xf);
m_display_cb(this, bitmap, y, x+0, data & 0xf);
}
}
//-------------------------------------------------
// update_screen -
//-------------------------------------------------
@ -1044,6 +1090,12 @@ void h63484_device::update_screen(bitmap_t *bitmap, const rectangle *cliprect)
{
if(m_dcr & 0x8000) // correct?
{
// ...
int y;
for(y=cliprect->min_y;y<cliprect->max_y;y++)
{
if (m_display_cb)
draw_graphics_line(bitmap,cliprect, y, 1);
}
}
}

8
src/emu/video/h63484.h
View File

@ -26,8 +26,8 @@
#define H63484_INTERFACE(name) \
const h63484_interface (name) =
typedef void (*h63484_display_pixels_func)(device_t *device, bitmap_t *bitmap, int y, int x, UINT32 address, UINT16 data, UINT8 *vram);
#define H63484_DISPLAY_PIXELS(name) void name(device_t *device, bitmap_t *bitmap, int y, int x, UINT32 address, UINT16 data, UINT8 *vram)
typedef void (*h63484_display_pixels_func)(device_t *device, bitmap_t *bitmap, int y, int x, UINT16 data);
#define H63484_DISPLAY_PIXELS(name) void name(device_t *device, bitmap_t *bitmap, int y, int x, UINT16 data)
// ======================> h63484_interface
@ -88,6 +88,7 @@ private:
UINT16 video_registers_r(int offset);
void video_registers_w(int offset);
int translate_command(UINT16 data);
void draw_graphics_line(bitmap_t *bitmap, const rectangle *cliprect, int y, int layer_n);
screen_device *m_screen;
@ -123,6 +124,9 @@ private:
UINT16 m_mwr[4];
UINT8 m_mwr_chr[4];
UINT32 m_sar[4];
UINT8 m_sda[4];
UINT16 m_pram[0x10];
UINT8 m_dn;

2
src/mame/drivers/adp.c
View File

@ -183,7 +183,7 @@ void adp_state::video_start()
static H63484_DISPLAY_PIXELS( acrtc_display_pixels )
{
// ...
*BITMAP_ADDR16(bitmap, y, x) = data & 0xf;
}
bool adp_state::screen_update(screen_device &screen, bitmap_t &bitmap, const rectangle &cliprect)