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Added flyback

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This commit is contained in:
Angelo Salese 2010-08-19 02:28:26 +00:00
parent 77e01f0037
commit 3d1b853486
1 changed files with 7 additions and 1 deletions
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8
src/mame/machine/archimds.c
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@ -367,10 +367,15 @@ static READ32_HANDLER( ioc_ctrl_r )
case CONTROL: case CONTROL:
{ {
UINT8 i2c_data; UINT8 i2c_data;
static UINT8 flyback;
int vert_pos;
vert_pos = space->machine->primary_screen->vpos();
flyback = (vert_pos <= vidc_regs[VIDC_VDSR] || vert_pos >= vidc_regs[VIDC_VDER]) ? 0x80 : 0x00;
i2c_data = (i2cmem_sda_read(space->machine->device("i2cmem")) & 1); i2c_data = (i2cmem_sda_read(space->machine->device("i2cmem")) & 1);
return (ioc_regs[CONTROL] & 0xfc) | (i2c_clk<<1) | i2c_data; return (flyback) | (ioc_regs[CONTROL] & 0x7c) | (i2c_clk<<1) | i2c_data;
} }
case 1: // keyboard read case 1: // keyboard read
@ -705,6 +710,7 @@ WRITE32_HANDLER(archimedes_vidc_w)
palette_set_color_rgb(space->machine, reg >> 2, pal4bit(r), pal4bit(g), pal4bit(b) ); palette_set_color_rgb(space->machine, reg >> 2, pal4bit(r), pal4bit(g), pal4bit(b) );
/* handle 8bpp colors here */ /* handle 8bpp colors here */
if(reg <= 0x3c)
{ {
int i; int i;