Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-16 13:34:55 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

pmd85: use standard palette, clean up video emulation

Browse Source
This commit is contained in:
Dirk Best 2015-07-30 10:29:41 +02:00
parent 0c30315e46
commit 93bd0f0daf
4 changed files with 31 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
scripts/target/mame/mess.lua
View File

@ -2332,7 +2332,6 @@ files {
MAME_DIR .. "src/mess/video/ondra.c",
MAME_DIR .. "src/mess/drivers/pmd85.c",
MAME_DIR .. "src/mess/machine/pmd85.c",
MAME_DIR .. "src/mess/video/pmd85.c",
MAME_DIR .. "src/mess/drivers/pmi80.c",
MAME_DIR .. "src/mess/drivers/sapi1.c",
}

33
src/mess/drivers/pmd85.c
View File

@ -182,6 +182,36 @@ I/O ports
#include "formats/pmd_cas.h"
#include "machine/ram.h"
//**************************************************************************
// VIDEO EMULATION
//**************************************************************************
UINT32 pmd85_state::screen_update_pmd85(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
for (int y = 0; y < 256; y++)
{
// address of current line in PMD-85 video memory
UINT8 *line = m_ram->pointer() + 0xc000 + 0x40 * y;
for (int x = 0; x < 288/6; x++)
{
int pen = BIT(line[x], 7) ? 1 : 2;
bitmap.pix16(y, x * 6 + 0) = BIT(line[x], 0) ? pen : 0;
bitmap.pix16(y, x * 6 + 1) = BIT(line[x], 1) ? pen : 0;
bitmap.pix16(y, x * 6 + 2) = BIT(line[x], 2) ? pen : 0;
bitmap.pix16(y, x * 6 + 3) = BIT(line[x], 3) ? pen : 0;
bitmap.pix16(y, x * 6 + 4) = BIT(line[x], 4) ? pen : 0;
bitmap.pix16(y, x * 6 + 5) = BIT(line[x], 5) ? pen : 0;
}
}
return 0;
}
/* I/O ports */
static ADDRESS_MAP_START( pmd85_io_map, AS_IO, 8, pmd85_state )
@ -578,8 +608,7 @@ static MACHINE_CONFIG_START( pmd85, pmd85_state )
MCFG_SCREEN_UPDATE_DRIVER(pmd85_state, screen_update_pmd85)
MCFG_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD("palette", sizeof (pmd85_palette) / 3)
MCFG_PALETTE_INIT_OWNER(pmd85_state, pmd85)
MCFG_PALETTE_ADD_MONOCHROME_GREEN_HIGHLIGHT("palette")
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")

7
src/mess/includes/pmd85.h
View File

@ -76,8 +76,6 @@ public:
DECLARE_DRIVER_INIT(alfa);
DECLARE_DRIVER_INIT(c2717);
virtual void machine_reset();
virtual void video_start();
DECLARE_PALETTE_INIT(pmd85);
UINT32 screen_update_pmd85(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(pmd85_cassette_timer_callback);
DECLARE_WRITE_LINE_MEMBER(write_cas_tx);
@ -148,15 +146,10 @@ protected:
void mato_update_memory();
void c2717_update_memory();
void pmd85_common_driver_init();
void pmd85_draw_scanline(bitmap_ind16 &bitmap, int pmd85_scanline);
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
int m_cas_tx;
};
/*----------- defined in video/pmd85.c -----------*/
extern const unsigned char pmd85_palette[3*3];
#endif /* PMD85_H_ */

69
src/mess/video/pmd85.c
View File

@ -1,69 +0,0 @@
// license:BSD-3-Clause
// copyright-holders:Krzysztof Strzecha
/***************************************************************************
pmd85.c
Functions to emulate the video hardware of PMD-85.
Krzysztof Strzecha
***************************************************************************/
#include "emu.h"
#include "includes/pmd85.h"
const unsigned char pmd85_palette[3*3] =
{
0x00, 0x00, 0x00,
0x7f, 0x7f, 0x7f,
0xff, 0xff, 0xff
};
PALETTE_INIT_MEMBER(pmd85_state, pmd85)
{
int i;
for ( i = 0; i < sizeof(pmd85_palette) / 3; i++ ) {
m_palette->set_pen_color(i, pmd85_palette[i*3], pmd85_palette[i*3+1], pmd85_palette[i*3+2]);
}
}
void pmd85_state::video_start()
{
}
void pmd85_state::pmd85_draw_scanline(bitmap_ind16 &bitmap, int pmd85_scanline)
{
int x, i;
int pen0, pen1;
UINT8 data;
/* set up scanline */
UINT16 *scanline = &bitmap.pix16(pmd85_scanline);
/* address of current line in PMD-85 video memory */
UINT8* pmd85_video_ram_line = m_ram->pointer() + 0xc000 + 0x40*pmd85_scanline;
for (x=0; x<288; x+=6)
{
data = pmd85_video_ram_line[x/6];
pen0 = 0;
pen1 = data & 0x80 ? 1 : 2;
for (i=0; i<6; i++)
scanline[x+i] = (data & (0x01<<i)) ? pen1 : pen0;
}
}
UINT32 pmd85_state::screen_update_pmd85(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
int pmd85_scanline;
for (pmd85_scanline=0; pmd85_scanline<256; pmd85_scanline++)
{
pmd85_draw_scanline(bitmap, pmd85_scanline);
}
return 0;
}