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Revert set params, nw

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This commit is contained in:
angelosa 2016-02-09 21:18:43 +01:00
parent f7fc08eb36
commit 66ba72bc9e
1 changed files with 14 additions and 11 deletions
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25
src/devices/video/jangou_blitter.cpp
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@ -139,9 +139,11 @@ WRITE8_MEMBER( jangou_blitter_device::blitter_process_w )
int drawx = (x + xcount) & 0xff;
int drawy = (y + ycount) & 0xff;
UINT8 dat = gfx_nibble(src + count);
UINT8 cur_pen = m_pen_data[(dat & 0x0f) >> 0];
if (cur_pen != 0)
UINT8 cur_pen = m_pen_data[dat & 0x0f];
//dat = cur_pen_lo | (cur_pen_hi << 4);
if ((cur_pen & 0xff) != 0)
plot_gfx_pixel(cur_pen, drawx, drawy);
if (!flipx)
@ -151,14 +153,15 @@ WRITE8_MEMBER( jangou_blitter_device::blitter_process_w )
}
}
UINT32 new_src = src + count;
//UINT32 new_src = src + count;
// update source and height after blitter operation
m_blit_data[0] = new_src & 0xfe;
m_blit_data[1] = new_src >> 8;
m_blit_data[5] = 0;
m_blit_data[6] = new_src >> 16;
m_bltflip = false;
// TODO: Jangou doesn't agree with this, later HW?
//m_blit_data[0] = new_src & 0xfe;
//m_blit_data[1] = new_src >> 8;
//m_blit_data[5] = 0;
//m_blit_data[6] = new_src >> 16;
//m_bltflip = false;
}
}
@ -179,8 +182,8 @@ WRITE8_MEMBER( jangou_blitter_device::blitter_alt_process_w)
WRITE8_MEMBER( jangou_blitter_device::blitter_vregs_w)
{
// printf("%02x %02x\n", offset, data);
m_pen_data[offset] = data & 0xf;
// bit 5 set by Jangou, left-over?
m_pen_data[offset] = data & 0x0f;
}
WRITE8_MEMBER( jangou_blitter_device::blitter_bltflip_w)