diff options
Diffstat (limited to 'src/mame/video/mc80.c')
-rw-r--r-- | src/mame/video/mc80.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/mame/video/mc80.c b/src/mame/video/mc80.c new file mode 100644 index 00000000000..66f05dd8576 --- /dev/null +++ b/src/mame/video/mc80.c @@ -0,0 +1,173 @@ +// license:BSD-3-Clause +// copyright-holders:Miodrag Milanovic +/*************************************************************************** + + MC-80.xx video by Miodrag Milanovic + + 15/05/2009 Initial implementation + 12/05/2009 Skeleton driver. + +****************************************************************************/ + +#include "includes/mc80.h" + +// This is not a content of U402 510 +// but order is fine + +static const UINT8 prom[] = { + 0x0c,0x11,0x13,0x15,0x17,0x10,0x0e,0x00, // @ + 0x04,0x0a,0x11,0x11,0x1f,0x11,0x11,0x00, // A + 0x1e,0x11,0x11,0x1e,0x11,0x11,0x1e,0x00, // B + 0x0e,0x11,0x10,0x10,0x10,0x11,0x0e,0x00, // C + 0x1e,0x09,0x09,0x09,0x09,0x09,0x1e,0x00, // D + 0x1f,0x10,0x10,0x1e,0x10,0x10,0x1f,0x00, // E + 0x1f,0x10,0x10,0x1e,0x10,0x10,0x10,0x00, // F + 0x0e,0x11,0x10,0x10,0x13,0x11,0x0f,0x00, // G + + 0x11,0x11,0x11,0x1f,0x11,0x11,0x11,0x00, // H + 0x0e,0x04,0x04,0x04,0x04,0x04,0x0e,0x00, // I + 0x01,0x01,0x01,0x01,0x11,0x11,0x0e,0x00, // J + 0x11,0x12,0x14,0x18,0x14,0x12,0x11,0x00, // K + 0x10,0x10,0x10,0x10,0x10,0x10,0x1f,0x00, // L + 0x11,0x1b,0x15,0x15,0x11,0x11,0x11,0x00, // M + 0x11,0x11,0x19,0x15,0x13,0x11,0x11,0x00, // N + 0x0e,0x11,0x11,0x11,0x11,0x11,0x0e,0x00, // O + + 0x1e,0x11,0x11,0x1e,0x10,0x10,0x10,0x00, // P + 0x0e,0x11,0x11,0x11,0x15,0x12,0x0d,0x00, // Q + 0x1e,0x11,0x11,0x1e,0x14,0x12,0x11,0x00, // R + 0x0e,0x11,0x10,0x0e,0x01,0x11,0x0e,0x00, // S + 0x1f,0x04,0x04,0x04,0x04,0x04,0x04,0x00, // T + 0x11,0x11,0x11,0x11,0x11,0x11,0x0e,0x00, // U + 0x11,0x11,0x11,0x0a,0x0a,0x04,0x04,0x00, // V + 0x11,0x11,0x11,0x15,0x15,0x15,0x0a,0x00, // W + + 0x11,0x11,0x0a,0x04,0x0a,0x11,0x11,0x00, // X + 0x11,0x11,0x0a,0x04,0x04,0x04,0x04,0x00, // Y + 0x1f,0x01,0x02,0x04,0x08,0x10,0x1f,0x00, // Z + 0x1c,0x10,0x10,0x10,0x10,0x10,0x1c,0x00, // [ + 0x00,0x10,0x08,0x04,0x02,0x01,0x00,0x00, // backslash + 0x07,0x01,0x01,0x01,0x01,0x01,0x07,0x00, // ] + 0x0e,0x11,0x00,0x00,0x00,0x00,0x00,0x00, // ^ + 0x00,0x00,0x00,0x00,0x00,0x00,0x1f,0x00, // _ + + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // + 0x04,0x04,0x04,0x04,0x04,0x00,0x04,0x00, // ! + 0x0a,0x0a,0x0a,0x00,0x00,0x00,0x00,0x00, // " + 0x0a,0x0a,0x1f,0x0a,0x1f,0x0a,0x0a,0x00, // # + 0x00,0x11,0x0e,0x0a,0x0e,0x11,0x00,0x00, // [] + 0x18,0x19,0x02,0x04,0x08,0x13,0x03,0x00, // % + 0x04,0x0a,0x0a,0x0c,0x15,0x12,0x0d,0x00, // & + 0x04,0x04,0x08,0x00,0x00,0x00,0x00,0x00, // ' + + 0x02,0x04,0x08,0x08,0x08,0x04,0x02,0x00, // ( + 0x08,0x04,0x02,0x02,0x02,0x04,0x08,0x00, // ) + 0x00,0x04,0x15,0x0e,0x15,0x04,0x00,0x00, // * + 0x00,0x04,0x04,0x1f,0x04,0x04,0x00,0x00, // + + 0x00,0x00,0x00,0x00,0x08,0x08,0x10,0x00, // , + 0x00,0x00,0x00,0x1f,0x00,0x00,0x00,0x00, // - + 0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x00, // . + 0x00,0x01,0x02,0x04,0x08,0x10,0x00,0x00, // / + + 0x0e,0x11,0x13,0x15,0x19,0x11,0x0e,0x00, // 0 + 0x04,0x0c,0x04,0x04,0x04,0x04,0x0e,0x00, // 1 + 0x0e,0x11,0x01,0x06,0x08,0x10,0x1f,0x00, // 2 + 0x1f,0x01,0x02,0x06,0x01,0x11,0x0e,0x00, // 3 + 0x02,0x06,0x0a,0x12,0x1f,0x02,0x02,0x00, // 4 + 0x1f,0x10,0x1e,0x01,0x01,0x11,0x0e,0x00, // 5 + 0x07,0x08,0x10,0x1e,0x11,0x11,0x0e,0x00, // 6 + 0x1f,0x01,0x02,0x04,0x08,0x08,0x08,0x00, // 7 + + 0x0e,0x11,0x11,0x0e,0x11,0x11,0x0e,0x00, // 8 + 0x0e,0x11,0x11,0x0f,0x01,0x02,0x1c,0x00, // 9 + 0x00,0x00,0x00,0x00,0x08,0x00,0x08,0x00, // : + 0x00,0x00,0x04,0x00,0x04,0x04,0x08,0x00, // ; + 0x02,0x04,0x08,0x10,0x08,0x04,0x02,0x00, // < + 0x00,0x00,0x1f,0x00,0x1f,0x00,0x00,0x00, // = + 0x08,0x04,0x02,0x01,0x02,0x04,0x08,0x00, // > + 0x0e,0x11,0x01,0x02,0x04,0x00,0x04,0x00 // ? +}; + +/*****************************************************************************/ +/* Implementation for MC80.2x */ +/*****************************************************************************/ + + + +VIDEO_START_MEMBER(mc80_state,mc8020) +{ +} + +UINT32 mc80_state::screen_update_mc8020(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + UINT8 y,ra,chr,gfx; + UINT16 sy=0,ma=0,x; + + for(y = 0; y < 8; y++ ) + { + for (ra = 0; ra < 16; ra++) + { + UINT16 *p = &bitmap.pix16(sy++); + + for (x = ma; x < ma + 32; x++) + { + if (ra > 3 && ra < 12) + { + chr = m_p_videoram[x]; + gfx = prom[(chr<<3) | (ra-4)]; + } + else + gfx = 0; + + /* Display a scanline of a character */ + *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+=32; + } + return 0; +} + +/*****************************************************************************/ +/* Implementation for MC80.3x */ +/*****************************************************************************/ + + +VIDEO_START_MEMBER(mc80_state,mc8030) +{ + m_p_videoram.set_target(memregion("vram")->base(),m_p_videoram.bytes()); +} + +UINT32 mc80_state::screen_update_mc8030(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + UINT8 gfx; + UINT16 y=0,ma=0,x; + + for(y = 0; y < 256; y++ ) + { + UINT16 *p = &bitmap.pix16(y); + { + for (x = ma; x < ma + 64; x++) + { + gfx = m_p_videoram[x^0x3fff]; + + /* 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+=64; + } + return 0; +} |