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Bavarese 2016-12-12 14:42:56 +01:00 committed by GitHub
parent 3f82e5bc14
commit e6d1003aaf
1 changed files with 26 additions and 28 deletions
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54
src/mame/drivers/rainbow.cpp
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@ -763,7 +763,7 @@ UPD7220_DISPLAY_PIXELS_MEMBER( rainbow_state::hgdc_display_pixels )
plane1 = m_video_ram[((address & 0x7fff) + 0x10000) >> 1]; plane1 = m_video_ram[((address & 0x7fff) + 0x10000) >> 1];
plane2 = plane3 = 0; plane2 = plane3 = 0;
} }
else else
{ {
address = ( m_GDC_SCROLL_BUFFER[ ((address & 0x3FC0) >> 7) & 0xff ] << 7) | (address & 0x7F); address = ( m_GDC_SCROLL_BUFFER[ ((address & 0x3FC0) >> 7) & 0xff ] << 7) | (address & 0x7F);
// MED.RESOLUTION (4 planes, 4 color bits, 16 color map entries / 16 -or 4- MONOCHROME SHADES) // MED.RESOLUTION (4 planes, 4 color bits, 16 color map entries / 16 -or 4- MONOCHROME SHADES)
@ -2727,31 +2727,31 @@ READ16_MEMBER(rainbow_state::vram_r)
WRITE16_MEMBER(rainbow_state::vram_w) WRITE16_MEMBER(rainbow_state::vram_w)
{ {
if(m_GDC_MODE_REGISTER & GDC_MODE_HIGHRES) if(m_GDC_MODE_REGISTER & GDC_MODE_HIGHRES)
offset = ( m_GDC_SCROLL_BUFFER[ (offset & 0x3FC0) >> 6 ] << 6) | (offset & 0x3F); offset = ( m_GDC_SCROLL_BUFFER[ (offset & 0x3FC0) >> 6 ] << 6) | (offset & 0x3F);
else else
offset = ( m_GDC_SCROLL_BUFFER[ (offset & 0x1FC0) >> 6 ] << 6) | (offset & 0x3F); offset = ( m_GDC_SCROLL_BUFFER[ (offset & 0x1FC0) >> 6 ] << 6) | (offset & 0x3F);
offset &= 0xffff; // same as in VT240? offset &= 0xffff; // same as in VT240?
uint16_t chr = data; // VT240 : uint8_t uint16_t chr = data; // VT240 : uint8_t
if(m_GDC_MODE_REGISTER & GDC_MODE_VECTOR) // VT240 : if(SELECT_VECTOR_PATTERN_REGISTER) if(m_GDC_MODE_REGISTER & GDC_MODE_VECTOR) // VT240 : if(SELECT_VECTOR_PATTERN_REGISTER)
{ {
chr = BITSWAP8(m_vpat, m_patidx, m_patidx, m_patidx, m_patidx, m_patidx, m_patidx, m_patidx, m_patidx); chr = BITSWAP8(m_vpat, m_patidx, m_patidx, m_patidx, m_patidx, m_patidx, m_patidx, m_patidx, m_patidx);
chr |= (chr << 8); chr |= (chr << 8);
if(m_patcnt-- == 0) if(m_patcnt-- == 0)
{ {
m_patcnt = m_patmult; m_patcnt = m_patmult;
if(m_patidx-- == 0) if(m_patidx-- == 0)
m_patidx = 7; m_patidx = 7;
} }
} }
else else
{ {
chr = m_GDC_WRITE_BUFFER[ m_GDC_write_buffer_index++ ]; chr = m_GDC_WRITE_BUFFER[ m_GDC_write_buffer_index++ ];
m_GDC_write_buffer_index &= 0xf; m_GDC_write_buffer_index &= 0xf;
chr |= (m_GDC_WRITE_BUFFER[m_GDC_write_buffer_index++] << 8); chr |= (m_GDC_WRITE_BUFFER[m_GDC_write_buffer_index++] << 8);
m_GDC_write_buffer_index &= 0xf; m_GDC_write_buffer_index &= 0xf;
} }
if(m_GDC_MODE_REGISTER & GDC_MODE_ENABLE_WRITES) // 0x10 if(m_GDC_MODE_REGISTER & GDC_MODE_ENABLE_WRITES) // 0x10
@ -2786,10 +2786,10 @@ WRITE16_MEMBER(rainbow_state::vram_w)
break; break;
} }
if(!(m_GDC_MODE_REGISTER & GDC_MODE_VECTOR)) // 0 : (NOT VECTOR MODE) Text Mode and Write Mask Batch if(!(m_GDC_MODE_REGISTER & GDC_MODE_VECTOR)) // 0 : Text Mode and Write Mask Batch
out = (out & ~m_GDC_WRITE_MASK) | (mem & m_GDC_WRITE_MASK); // // M_MASK (1st use) out = (out & ~m_GDC_WRITE_MASK) | (mem & m_GDC_WRITE_MASK); // // M_MASK (1st use)
else else
out = (out & ~data) | (mem & data); // VECTOR MODE ! out = (out & ~data) | (mem & data); // vector mode
if(m_GDC_MODE_REGISTER & GDC_MODE_ENABLE_WRITES) // 0x10 if(m_GDC_MODE_REGISTER & GDC_MODE_ENABLE_WRITES) // 0x10
m_video_ram[(offset & 0xffff) + (0x8000 * i)] = out; m_video_ram[(offset & 0xffff) + (0x8000 * i)] = out;
@ -2840,13 +2840,13 @@ WRITE8_MEMBER(rainbow_state::GDC_EXTRA_REGISTER_w)
if(offset > 0) // Port $50 reset done @ boot ROM 1EB4/8 regardless if option present. if(offset > 0) // Port $50 reset done @ boot ROM 1EB4/8 regardless if option present.
if (m_inp7->read() != 1) if (m_inp7->read() != 1)
{ {
if(last_message != 1) if(last_message != 1)
{ {
printf("\nCOLOR GRAPHICS ADAPTER INVOKED. PLEASE TURN ON THE APPROPRIATE DIP SWITCH, THEN RESTART.\n"); printf("\nCOLOR GRAPHICS ADAPTER INVOKED. PLEASE TURN ON THE APPROPRIATE DIP SWITCH, THEN RESTART.\n");
printf("OFFSET: %x (PC=%x)\n", 0x50 +offset , machine().device("maincpu")->safe_pc()); printf("OFFSET: %x (PC=%x)\n", 0x50 +offset , machine().device("maincpu")->safe_pc());
last_message = 1; last_message = 1;
} }
return; return;
} }
switch(offset) switch(offset)
@ -2855,12 +2855,10 @@ WRITE8_MEMBER(rainbow_state::GDC_EXTRA_REGISTER_w)
// FIXME: "Any write to this port also resynchronizes the // FIXME: "Any write to this port also resynchronizes the
// read/modify/write memory cycles of the Graphics Option to those of the GDC." (?) // read/modify/write memory cycles of the Graphics Option to those of the GDC." (?)
//if( (!(m_PORT50 & 1)) && (data & 1)) // PDF QV069 suggests 1 -> 0 -> 1 if( data & 1 ) // PDF QV069 suggests 1 -> 0 -> 1. Most programs just set bit 0 (PACMAN).
if( data & 1 ) // ; most programs just set bit 0 (PACMAN).
{ {
// Graphics option software reset (separate from GDC reset...) // Graphics option software reset (separate from GDC reset...)
OPTION_GRFX_RESET OPTION_GRFX_RESET
OPTION_RESET_PATTERNS OPTION_RESET_PATTERNS
} }
break; break;