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r15971 Monday 20th August, 2012 at 00:16:57 UTC by Angelo Salese
Safe enough to just draw the bitmap directly

[src/mess/drivers]

vboy.c

src/mess/drivers/vboy.c

r15970	r15971
113	113	vip_regs_t m_vip_regs;
114	114	vboy_timer_t m_vboy_timer;
115	115	int *m_bg_map;
116		bitmap_ind16 m_screen_output;
117	116	UINT16 m_frame_count;
118	117	UINT8 m_displayfb;
119	118	UINT8 m_display_count;
r15970	r15971
137	136	// Allocate memory for temporary screens
138	137	state->m_bg_map = auto_alloc_array_clear(machine, int, 0x1000*0x1000);
139	138
140		state->m_screen_output.allocate(384, 224, BITMAP_FORMAT_IND16);
141	139	state->m_font  = auto_alloc_array(machine, UINT16, 2048 * 8);
142	140	state->m_bgmap = auto_alloc_array(machine, UINT16, 0x20000 >> 1);
143	141	state->m_objects = state->m_bgmap + (0x1e000 >> 1);
r15970	r15971
417	415	static SCREEN_UPDATE_IND16( vboy_left )
418	416	{
419	417	vboy_state *state = screen.machine().driver_data<vboy_state>();
420		state->m_screen_output.fill(state->m_vip_regs.BKCOL, cliprect);
	418	bitmap.fill(state->m_vip_regs.BKCOL, cliprect);
421	419	int cur_spt;
422	420
423	421	cur_spt = 3;
424	422	for(int i=31; i>=0; i--)
425		if (display_world(state, i, state->m_screen_output, 0,cur_spt)) break;
	423	if (display_world(state, i, bitmap, 0, cur_spt)) break;
426	424
427		copybitmap(bitmap, state->m_screen_output, 0, 0, 0, 0, cliprect);
428	425	return 0;
429	426	}
430	427
431	428	static SCREEN_UPDATE_IND16( vboy_right )
432	429	{
433	430	vboy_state *state = screen.machine().driver_data<vboy_state>();
434		state->m_screen_output.fill(state->m_vip_regs.BKCOL, cliprect);
	431	bitmap.fill(state->m_vip_regs.BKCOL, cliprect);
435	432	int cur_spt;
436	433
437	434	cur_spt = 3;
438	435	for(int i=31; i>=0; i--)
439		if (display_world(state, i, state->m_screen_output, 1,cur_spt)) break;
	436	if (display_world(state, i, bitmap, 0, cur_spt)) break;
440	437
441		copybitmap(bitmap, state->m_screen_output, 0, 0, 0, 0, cliprect);
442	438	return 0;
443	439	}
444	440

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