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Video emulation fixes to the Ghost Eolith HW (not yet working)

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This commit is contained in:
Angelo Salese 2008-11-09 19:13:15 +00:00
parent ecffdc96cb
commit 16b4f15e2d
1 changed files with 46 additions and 37 deletions
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83
src/mame/drivers/ghosteo.c
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@ -86,7 +86,7 @@ static READ32_HANDLER( r1 )
static READ32_HANDLER( r2 )
{
// int pc = activecpu_get_pc();
// if(pc != 0xd64 && pc != 0xd3c ) printf("r2 @ %X\n",pc);
// if(pc != 0xd64 && pc != 0xd3c )printf("r2 @ %X\n",pc);
return 2;
}
@ -98,23 +98,13 @@ static int flash_addr_step = 0;
static WRITE32_HANDLER( flash_reg_w )
{
static int old[3];
COMBINE_DATA(&flash_regs[offset]);
if(old[offset] != flash_regs[offset])
{
old[offset] = flash_regs[offset];
// printf("reg %d) %02X\n",offset,old[offset] = flash_regs[offset]);
// logerror("reg %d) %02X\n",offset,old[offset] = flash_regs[offset]);
}
switch(offset)
{
case 0:
//if((flash_regs[offset] & 0xff) != 0x60)
// printf("%08x\n",flash_regs[offset]);
break;
case 1:
break;
@ -155,9 +145,14 @@ static READ32_HANDLER( flash_r )
static READ32_HANDLER( flash_ecc_r )
{
//TODO
if((flash_addr & 0x0fff) == 0)
{
//printf("%08x\n",flash_addr);
return 1;
}
return 0;
}
@ -292,8 +287,8 @@ static WRITE32_HANDLER( lcd_control_w )
case 0x14/4:
{
int lcd_bank = (lcd_control[offset] >> 21) & 0x1ff;
int lcd_base_u = (lcd_control[offset] >> 0) & 0x1fffff;
UINT32 lcd_bank = (lcd_control[offset] >> 21) & 0x1ff;
UINT32 lcd_base_u = (lcd_control[offset] >> 0) & 0x1fffff;
lcd.lcd_bank = lcd_bank;
lcd.lcd_base_u = lcd_base_u;
@ -303,10 +298,12 @@ static WRITE32_HANDLER( lcd_control_w )
case 0x18/4:
{
int lcd_base_sel = (lcd_control[offset] >> 0) & 0x1fffff;
UINT32 lcd_base_sel = (lcd_control[offset] >> 0) & 0x1fffff;
lcd.lcd_base_sel = lcd_base_sel;
//popmessage("%08x",lcd.lcd_base_sel);
break;
}
@ -326,8 +323,11 @@ static WRITE32_HANDLER( lcd_control_w )
static READ32_HANDLER( io_port_r )
{
// printf("%08x\n",offset*4);
switch(offset)
{
case 0x64/4:
{
static int input = 0;
@ -349,6 +349,7 @@ static READ32_HANDLER( io_port_r )
static WRITE32_HANDLER( io_port_w )
{
COMBINE_DATA(&io_port[offset]);
// printf("[%08x] <- %08x\n",offset*4,data);
}
@ -392,13 +393,13 @@ static VIDEO_UPDATE( bballoon )
printf("en = %d\n",irq_en);
}
if(input_code_pressed_once(KEYCODE_W))
if(input_code_pressed(KEYCODE_W))
{
printf("b = %d\n",++b);
}
if(input_code_pressed_once(KEYCODE_E))
if(input_code_pressed(KEYCODE_E))
{
printf("b = %d\n",--b);
@ -417,21 +418,29 @@ static VIDEO_UPDATE( bballoon )
int start_addr = (lcd.lcd_bank << 22) - 0x30000000;
//popmessage("%08x %08x %08x",lcd.lcd_bank,lcd.lcd_base_sel,lcd.lcd_base_u);
if(start_addr > 0x1ffffff)
printf("max = %X\n",start_addr);
else
{
//printf("addr = %X\n",start_addr + lcd.lcd_base_u);
UINT32* videoram = system_memory + start_addr/4 + lcd.lcd_base_u/4 + 0x10000*b;
UINT32* videoram = system_memory + start_addr/4 + lcd.lcd_base_u/4;
int x,y,count;
// probably wrong...
//popmessage("%08x %08x %d",lcd.lcd_base_u,lcd.lcd_base_sel,test);
count = 0;
for (y=0;y <= cliprect->max_y;y++)
/*temp until I understand...*/
switch(lcd.lcd_base_sel)
{
for (x=0;x <= cliprect->max_x/2;x+=2)
case 0x1aac00: count = -81920; break;
case 0x192c00: count = -57344; break;
default: count = 0;
}
//count = test;//lcd.lcd_base_sel/4;
for (y=0;y <= 600;y++)
{
for (x=0;x < 400;x++)
{
UINT32 color;
UINT32 b;
@ -443,22 +452,20 @@ static VIDEO_UPDATE( bballoon )
b = (color & 0x001f) << 3;
g = (color & 0x07e0) >> 2;
r = (color & 0xf800) >> 6;
*BITMAP_ADDR32(bitmap, y, x*2+0) = b | (g<<8) | (r<<16);
if(((x*2)+1)<cliprect->max_x && y<cliprect->max_y)
*BITMAP_ADDR32(bitmap, y, x*2+1) = b | (g<<8) | (r<<16);
color = videoram[count] & 0xffff;
b = (color & 0x001f) << 3;
g = (color & 0x07e0) >> 2;
r = (color & 0xf800) >> 6;
*BITMAP_ADDR32(bitmap, y, x*2+1) = b | (g<<8) | (r<<16);
if(((x*2)+0)<cliprect->max_x && y<cliprect->max_y)
*BITMAP_ADDR32(bitmap, y, x*2+0) = b | (g<<8) | (r<<16);
count++;
}
}
}
}
@ -473,10 +480,10 @@ static VIDEO_UPDATE( bballoon )
static INTERRUPT_GEN( bballoon_interrupt )
{
if(irq_en)
cpunum_set_input_line(machine, 0, ARM7_IRQ_LINE, PULSE_LINE);
//cpunum_set_input_line(machine, 0, ARM7_FIRQ_LINE, PULSE_LINE);
cpunum_set_input_line(machine, 0, ARM7_IRQ_LINE, HOLD_LINE);
//cpunum_set_input_line(machine, 0, ARM7_FIRQ_LINE, HOLD_LINE);
irq_en = 0;
// irq_en = 0;
}
static MACHINE_DRIVER_START( bballoon )
@ -491,8 +498,10 @@ static MACHINE_DRIVER_START( bballoon )
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
MDRV_SCREEN_SIZE(1024, 1024)
MDRV_SCREEN_VISIBLE_AREA(0, 319, 0, 239)
MDRV_SCREEN_SIZE(320, 256)
MDRV_SCREEN_VISIBLE_AREA(0, 320-1, 0, 256-1)
// MDRV_SCREEN_SIZE(1024, 1024)
// MDRV_SCREEN_VISIBLE_AREA(0, 1023, 0, 1023)
MDRV_PALETTE_LENGTH(256)