Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-10-05 16:50:57 +03:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

meritum: Fix screen parameters; characters are 12 scans high, not 11 (nw)

Browse Source
This commit is contained in:
AJR 2018-07-20 13:30:05 -04:00
parent 0477128bad
commit bd79a63076
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/mame/drivers/meritum.cpp
View File

@ -190,7 +190,7 @@ static INPUT_PORTS_START( meritum )
INPUT_PORTS_END
uint32_t meritum_state::screen_update_meritum(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
/* lores characters are in the character generator. Each character is 6x11. */
/* lores characters are in the character generator. Each character is 6x12 (basic characters are 6x7 excluding descenders/ascenders). */
{
uint8_t y,ra,chr,gfx;
uint16_t sy=0,ma=0,x;
@ -200,12 +200,12 @@ uint32_t meritum_state::screen_update_meritum(screen_device &screen, bitmap_ind1
if (m_mode != m_size_store)
{
m_size_store = m_mode;
screen.set_visible_area(0, cols*6-1, 0, 16*11-1);
screen.set_visible_area(0, cols*6-1, 0, 16*12-1);
}
for (y = 0; y < 16; y++)
{
for (ra = 0; ra < 11; ra++)
for (ra = 0; ra < 12; ra++)
{
uint16_t *p = &bitmap.pix16(sy++);
@ -373,14 +373,14 @@ QUICKLOAD_LOAD_MEMBER( meritum_state, trs80_cmd )
/**************************** F4 CHARACTER DISPLAYER ***********************************************************/
static const gfx_layout meritum_charlayout =
{
6, 11, /* 8 x 16 characters */
6, 12, /* 6 x 12 characters */
256, /* 256 characters */
1, /* 1 bits per pixel */
{ 0 }, /* no bitplanes */
/* x offsets */
{ 2, 3, 4, 5, 6, 7 },
/* y offsets */
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8 },
8*16 /* every char takes 16 bytes (unused scanlines are blank) */
};
@ -418,7 +418,7 @@ MACHINE_CONFIG_START(meritum_state::meritum)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_RAW_PARAMS(10_MHz_XTAL, 672, 0, 384, 264, 0, 192) // wrong
MCFG_SCREEN_RAW_PARAMS(10_MHz_XTAL, 107 * 6, 0, 64 * 6, 312, 0, 192)
MCFG_SCREEN_UPDATE_DRIVER(meritum_state, screen_update_meritum)
MCFG_SCREEN_PALETTE("palette")