diff options
Diffstat (limited to 'src/mess/drivers/k8915.c')
-rw-r--r-- | src/mess/drivers/k8915.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/src/mess/drivers/k8915.c b/src/mess/drivers/k8915.c deleted file mode 100644 index 7ec4cde5d0e..00000000000 --- a/src/mess/drivers/k8915.c +++ /dev/null @@ -1,187 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Miodrag Milanovic, Robbbert -/*************************************************************************** - - Robotron K8915 - - 30/08/2010 Skeleton driver - - When it says DIAGNOSTIC RAZ P, press enter. - -****************************************************************************/ - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "machine/keyboard.h" - -#define KEYBOARD_TAG "keyboard" - -class k8915_state : public driver_device -{ -public: - k8915_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_p_videoram(*this, "p_videoram") - { - } - - required_device<cpu_device> m_maincpu; - DECLARE_READ8_MEMBER( k8915_52_r ); - DECLARE_READ8_MEMBER( k8915_53_r ); - DECLARE_WRITE8_MEMBER( k8915_a8_w ); - DECLARE_WRITE8_MEMBER( kbd_put ); - required_shared_ptr<UINT8> m_p_videoram; - UINT8 *m_p_chargen; - UINT8 m_framecnt; - UINT8 m_term_data; - virtual void machine_reset(); - virtual void video_start(); - UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - DECLARE_DRIVER_INIT(k8915); -}; - -READ8_MEMBER( k8915_state::k8915_52_r ) -{ -// get data from ascii keyboard - UINT8 ret = m_term_data; - m_term_data = 0; - return ret; -} - -READ8_MEMBER( k8915_state::k8915_53_r ) -{ -// keyboard status - return m_term_data ? 1 : 0; -} - -WRITE8_MEMBER( k8915_state::k8915_a8_w ) -{ -// seems to switch ram and rom around. - if (data == 0x87) - membank("boot")->set_entry(0); // ram at 0000 - else - membank("boot")->set_entry(1); // rom at 0000 -} - -static ADDRESS_MAP_START(k8915_mem, AS_PROGRAM, 8, k8915_state) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x0fff) AM_RAMBANK("boot") - AM_RANGE(0x1000, 0x17ff) AM_RAM AM_SHARE("p_videoram") - AM_RANGE(0x1800, 0xffff) AM_RAM -ADDRESS_MAP_END - -static ADDRESS_MAP_START(k8915_io, AS_IO, 8, k8915_state) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x52, 0x52) AM_READ(k8915_52_r) - AM_RANGE(0x53, 0x53) AM_READ(k8915_53_r) - AM_RANGE(0xa8, 0xa8) AM_WRITE(k8915_a8_w) -ADDRESS_MAP_END - -/* Input ports */ -static INPUT_PORTS_START( k8915 ) -INPUT_PORTS_END - -void k8915_state::machine_reset() -{ - membank("boot")->set_entry(1); -} - -DRIVER_INIT_MEMBER(k8915_state,k8915) -{ - UINT8 *RAM = memregion("maincpu")->base(); - membank("boot")->configure_entries(0, 2, &RAM[0x0000], 0x10000); -} - -void k8915_state::video_start() -{ - m_p_chargen = memregion("chargen")->base(); -} - -UINT32 k8915_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - UINT8 y,ra,chr,gfx; - UINT16 sy=0,ma=0,x; - - m_framecnt++; - - for (y = 0; y < 25; y++) - { - for (ra = 0; ra < 10; ra++) - { - UINT16 *p = &bitmap.pix16(sy++); - - for (x = ma; x < ma + 80; x++) - { - gfx = 0; - - if (ra < 9) - { - chr = m_p_videoram[x]; - - /* Take care of flashing characters */ - if ((chr & 0x80) && (m_framecnt & 0x08)) - chr = 0x20; - - chr &= 0x7f; - - gfx = m_p_chargen[(chr<<4) | ra ]; - } - - /* Display a scanline of a character */ - *p++ = BIT(gfx, 7); - *p++ = BIT(gfx, 6); - *p++ = BIT(gfx, 5); - *p++ = BIT(gfx, 4); - *p++ = BIT(gfx, 3); - *p++ = BIT(gfx, 2); - *p++ = BIT(gfx, 1); - *p++ = BIT(gfx, 0); - } - } - ma+=80; - } - return 0; -} - -WRITE8_MEMBER( k8915_state::kbd_put ) -{ - m_term_data = data; -} - -static MACHINE_CONFIG_START( k8915, k8915_state ) - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu", Z80, XTAL_16MHz / 4) - MCFG_CPU_PROGRAM_MAP(k8915_mem) - MCFG_CPU_IO_MAP(k8915_io) - - /* video hardware */ - MCFG_SCREEN_ADD("screen", RASTER) - MCFG_SCREEN_REFRESH_RATE(60) - MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ - MCFG_SCREEN_UPDATE_DRIVER(k8915_state, screen_update) - MCFG_SCREEN_SIZE(640, 250) - MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 249) - MCFG_SCREEN_PALETTE("palette") - - MCFG_PALETTE_ADD_MONOCHROME_GREEN("palette") - - MCFG_DEVICE_ADD(KEYBOARD_TAG, GENERIC_KEYBOARD, 0) - MCFG_GENERIC_KEYBOARD_CB(WRITE8(k8915_state, kbd_put)) -MACHINE_CONFIG_END - - -/* ROM definition */ -ROM_START( k8915 ) - ROM_REGION( 0x11000, "maincpu", ROMREGION_ERASEFF ) - ROM_LOAD( "k8915.bin", 0x10000, 0x1000, CRC(ca70385f) SHA1(a34c14adae9be821678aed7f9e33932ee1f3e61c)) - - /* character generator not dumped, using the one from 'c10' for now */ - ROM_REGION( 0x2000, "chargen", 0 ) - ROM_LOAD( "c10_char.bin", 0x0000, 0x2000, BAD_DUMP CRC(cb530b6f) SHA1(95590bbb433db9c4317f535723b29516b9b9fcbf)) -ROM_END - -/* Driver */ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ -COMP( 1982, k8915, 0, 0, k8915, k8915, k8915_state, k8915, "Robotron", "K8915", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) |