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Text decoding ...

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This commit is contained in:
Angelo Salese 2013-03-01 00:35:57 +00:00
parent ed4d002dcc
commit b6e02c7d4b
1 changed files with 63 additions and 7 deletions
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70
src/mame/drivers/gunpey.c
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@ -212,12 +212,14 @@ public:
DECLARE_READ8_MEMBER(gunpey_inputs_r);
DECLARE_WRITE8_MEMBER(gunpey_blitter_w);
DECLARE_WRITE8_MEMBER(gunpey_output_w);
DECLARE_WRITE16_MEMBER(gunpey_vram_bank_w);
DECLARE_DRIVER_INIT(gunpey);
virtual void video_start();
virtual void palette_init();
UINT32 screen_update_gunpey(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(gunpey_scanline);
void gunpey_irq_check(UINT8 irq_type);
UINT16 m_vram_bank;
};
@ -231,12 +233,15 @@ UINT32 gunpey_state::screen_update_gunpey(screen_device &screen, bitmap_rgb32 &b
//UINT16 *blit_buffer = m_blit_buffer;
int x,y;
int count;
UINT16 vram_bank = m_vram_bank & 0x7fff;
bitmap.fill(machine().pens[0], cliprect); //black pen
for(count = 0x800/2;count<0x4800/2;count+=0x10/2)
vram_bank ^= 0x2000;
for(count = vram_bank/2;count<(vram_bank+0x2000)/2;count+=0x10/2)
{
if(!(m_wram[count+0/2] & 1))
if(!(m_wram[count+0] & 1))
{
x = (m_wram[count+3] >> 8) | ((m_wram[count+4] & 0xff) << 8);
y = m_wram[count+4] >> 8;
@ -245,10 +250,55 @@ UINT32 gunpey_state::screen_update_gunpey(screen_device &screen, bitmap_rgb32 &b
UINT32 val = (m_wram[count+1] << 16) | ((m_wram[count+2]));
int letter = -1;
/*
-- TEST MODE --
I/O TEST
MONITOR TEST
CG-ROM VIEWER
CHARACTER CHECK
SOUND TEST
*/
// these are going to be co-ordinates in the bitmap, probably not the ROM, but the one the 'blitter' (gfx unpack device?) creates
if (val == 0x8080a03a) { col = 0xffff00; letter ='I'; } // 18d0 - I
if (val == 0x4080a03b) { col = 0xff0000; letter ='O'; } // - O
if (val == 0x2080203b) { letter = ' '; }
if (val == 0x0080203b) { letter = '-'; }
if (val == 0x4080203b) { letter = '/'; }
if (val == 0x6080203b) { letter = '0'; }
if (val == 0x8080403a) { letter = '1'; }
if (val == 0xa080403a) { letter = '2'; }
if (val == 0xc080403a) { letter = '3'; }
if (val == 0xe080403a) { letter = '4'; }
if (val == 0x0080403b) { letter = '5'; }
if (val == 0x2080403b) { letter = '6'; }
if (val == 0x4080403b) { letter = '7'; }
if (val == 0x6080403b) { letter = '8'; }
if (val == 0x8080603a) { letter = '9'; }
if (val == 0x8080803a) { letter = 'A'; }
if (val == 0xa080803a) { letter = 'B'; }
if (val == 0xc080803a) { letter = 'C'; }
if (val == 0xe080803a) { letter = 'D'; }
if (val == 0x0080803b) { letter = 'E'; }
if (val == 0x2080803b) { letter = 'F'; }
if (val == 0x4080803b) { letter = 'G'; }
if (val == 0x6080803b) { letter = 'H'; }
if (val == 0x8080a03a) { letter = 'I'; }
if (val == 0xa080a03a) { letter = 'J'; }
if (val == 0xc080a03a) { letter = 'K'; }
if (val == 0xe080a03a) { letter = 'L'; }
if (val == 0x0080a03b) { letter = 'M'; }
if (val == 0x2080a03b) { letter = 'N'; }
if (val == 0x4080a03b) { letter = 'O'; }
if (val == 0x6080a03b) { letter = 'P'; }
if (val == 0x8080c03a) { letter = 'Q'; }
if (val == 0xa080c03a) { letter = 'R'; }
if (val == 0xc080c03a) { letter = 'S'; }
if (val == 0xe080c03a) { letter = 'T'; }
if (val == 0x0080c03b) { letter = 'U'; }
if (val == 0x2080c03b) { letter = 'V'; }
if (val == 0x4080c03b) { letter = 'W'; }
if (val == 0x6080c03b) { letter = 'X'; }
if (val == 0x8080e03a) { letter = 'Y'; }
if (val == 0xa080e03a) { letter = 'Z'; }
#ifndef USE_FAKE_ROM
letter = -1;
@ -256,7 +306,7 @@ UINT32 gunpey_state::screen_update_gunpey(screen_device &screen, bitmap_rgb32 &b
x-=0x1100;
if (letter != -1)
drawgfx_opaque(bitmap,cliprect,machine().gfx[1],letter,0,0,0,x,y);
drawgfx_opaque(bitmap,cliprect,machine().gfx[1],letter,1,0,0,x,y);
else
{
for(int yi=0;yi<8;yi++)
@ -410,6 +460,11 @@ WRITE8_MEMBER(gunpey_state::gunpey_output_w)
downcast<okim6295_device *>(m_oki)->set_bank_base((data & 0x0f) * 0x40000);
}
WRITE16_MEMBER(gunpey_state::gunpey_vram_bank_w)
{
COMBINE_DATA(&m_vram_bank);
}
/***************************************************************************************/
static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 16, gunpey_state )
@ -430,6 +485,7 @@ static ADDRESS_MAP_START( io_map, AS_IO, 16, gunpey_state )
AM_RANGE(0x7fc8, 0x7fc9) AM_READWRITE8(gunpey_status_r, gunpey_status_w, 0xffff )
AM_RANGE(0x7fd0, 0x7fdf) AM_WRITE8(gunpey_blitter_w, 0xffff )
//AM_RANGE(0x7FF0, 0x7FF1) AM_RAM
AM_RANGE(0x7fee, 0x7fef) AM_WRITE(gunpey_vram_bank_w)
ADDRESS_MAP_END
@ -593,7 +649,7 @@ static const gfx_layout fake_layout =
static GFXLAYOUT_RAW( gunpey, 2048, 1, 2048*8, 2048*8 )
static GFXDECODE_START( gunpey )
GFXDECODE_ENTRY( "blit_data", 0, gunpey, 0x0000, 0x1 )
GFXDECODE_ENTRY( "fakerom", 0x18000, fake_layout, 0x0, 2 )
GFXDECODE_ENTRY( "fakerom", 0x18000, fake_layout, 0x0, 2 )
GFXDECODE_END