/********************************************************************** p2000m.c Functions to emulate video hardware of the p2000m **********************************************************************/ #include "includes/p2000t.h" VIDEO_START_MEMBER(p2000t_state,p2000m) { m_frame_count = 0; } UINT32 p2000t_state::screen_update_p2000m(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { UINT8 *videoram = m_videoram; int offs, sx, sy, code, loop; for (offs = 0; offs < 80 * 24; offs++) { sy = (offs / 80) * 20; sx = (offs % 80) * 12; if ((m_frame_count > 25) && (videoram[offs + 2048] & 0x40)) code = 32; else { code = videoram[offs]; if ((videoram[offs + 2048] & 0x01) && (code & 0x20)) { code += (code & 0x40) ? 64 : 96; } else { code &= 0x7f; } if (code < 32) code = 32; } drawgfxzoom_opaque (bitmap, cliprect, machine().gfx[0], code, videoram[offs + 2048] & 0x08 ? 0 : 1, 0, 0, sx, sy, 0x20000, 0x20000); if (videoram[offs] & 0x80) { for (loop = 0; loop < 12; loop++) { bitmap.pix16(sy + 18, sx + loop) = 0; /* cursor */ bitmap.pix16(sy + 19, sx + loop) = 0; /* cursor */ } } } return 0; }