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Added horizontal/vertical char size, making the NSS logo to look better

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This commit is contained in:
Angelo Salese 2012-08-28 20:56:43 +00:00
parent 97d793fd12
commit ea176d43d1
2 changed files with 68 additions and 5 deletions
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70
src/emu/video/m50458.c
View File

@ -29,7 +29,7 @@ const device_type M50458 = &device_creator<m50458_device>;
static ADDRESS_MAP_START( m50458_vram, AS_0, 16, m50458_device )
AM_RANGE(0x0000, 0x023f) AM_RAM // vram
AM_RANGE(0x0240, 0x0241) AM_WRITE(vreg_120_w)
// AM_RANGE(0x0242, 0x0243) AM_WRITE(vreg_121_w)
AM_RANGE(0x0242, 0x0243) AM_WRITE(vreg_121_w)
AM_RANGE(0x0244, 0x0245) AM_WRITE(vreg_122_w)
AM_RANGE(0x0246, 0x0247) AM_WRITE(vreg_123_w)
AM_RANGE(0x024c, 0x024d) AM_WRITE(vreg_126_w)
@ -47,9 +47,30 @@ WRITE16_MEMBER( m50458_device::vreg_120_w)
// printf("%04x\n",data);
}
WRITE16_MEMBER( m50458_device::vreg_121_w)
{
/* Horizontal char size for line 0 */
m_hsz1 = (data & 0xc0) >> 6;
/* Horizontal char size for line 1 - 10 */
m_hsz2 = (data & 0x300) >> 8;
/* Horizontal char size for line 11 */
m_hsz3 = (data & 0xc00) >> 10;
}
WRITE16_MEMBER( m50458_device::vreg_122_w)
{
// printf("%04x\n",data);
/* Vertical char size for line 0 */
m_vsz1 = (data & 0xc0) >> 6;
/* Vertical char size for line 1 - 10 */
m_vsz2 = (data & 0x300) >> 8;
/* Vertical char size for line 11 */
m_vsz3 = (data & 0xc00) >> 10;
}
WRITE16_MEMBER( m50458_device::vreg_123_w)
@ -314,7 +335,8 @@ UINT32 m50458_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap,
UINT8 pix;
UINT8 color = (tile & 0x700) >> 8;
UINT16 offset = ((tile & 0x7f)*36+yi*2);
int res_y;
int res_y,res_x;
UINT8 xh,yh;
/* TODO: blinking, bit 7 (RTC test in NSS) */
@ -332,6 +354,7 @@ UINT32 m50458_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap,
pix |= 1;
res_y = y*18+yi;
res_x = x*12+(xi-4);
if(y != 0 && y != 11)
{
@ -352,13 +375,50 @@ UINT32 m50458_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap,
}
else //if(pix & 1)
{
/* TODO: shadow parameter */
/* TODO: is there a parameter for the border parameter? */
r = 0x00;
g = 0x00;
b = 0x00;
}
bitmap.pix32(res_y,x*12+(xi-4)) = r << 16 | g << 8 | b;
/* TODO: clean this up (also needs better testing) */
if(y_base == 0)
{
res_x *= (m_hsz1 + 1);
res_y *= (m_vsz1 + 1);
if(res_y > 215 || res_x > 288)
continue;
for(yh=0;yh<m_vsz1+1;yh++)
for(xh=0;xh<m_hsz1+1;xh++)
bitmap.pix32(res_y+yh,res_x+xh) = r << 16 | g << 8 | b;
}
else if(y_base == 11)
{
res_x *= (m_hsz3 + 1);
res_y += ((m_vsz2 * (y-1)) * 18) + 9 * m_vsz2;
res_y *= (m_vsz3 + 1);
if(res_y > 215 || res_x > 288)
continue;
for(yh=0;yh<m_vsz3+1;yh++)
for(xh=0;xh<m_hsz3+1;xh++)
bitmap.pix32(res_y+yh,res_x+xh) = r << 16 | g << 8 | b;
}
else
{
res_x *= (m_hsz2 + 1);
res_y *= (m_vsz2 + 1);
if(res_y > 215 || res_x > 288)
continue;
for(yh=0;yh<m_vsz2+1;yh++)
for(xh=0;xh<m_hsz2+1;xh++)
bitmap.pix32(res_y+yh,res_x+xh) = r << 16 | g << 8 | b;
}
}
}
}

3
src/emu/video/m50458.h
View File

@ -43,6 +43,7 @@ public:
WRITE_LINE_MEMBER( set_cs_line );
WRITE_LINE_MEMBER( set_clock_line );
DECLARE_WRITE16_MEMBER(vreg_120_w);
DECLARE_WRITE16_MEMBER(vreg_121_w);
DECLARE_WRITE16_MEMBER(vreg_122_w);
DECLARE_WRITE16_MEMBER(vreg_123_w);
DECLARE_WRITE16_MEMBER(vreg_126_w);
@ -70,6 +71,8 @@ protected:
UINT8 m_phase;
UINT8 m_scrf,m_scrr;
UINT8 m_space;
UINT8 m_hsz1,m_hsz2,m_hsz3;
UINT8 m_vsz1,m_vsz2,m_vsz3;
m50458_state_t m_osd_state;