MAME SVN History

199869 Revisions

r33110 Saturday 1st November, 2014 at 12:41:13 UTC by Jürgen Buchmüller
Add zero() to (s)vga_device: zeroes all private variables but vtbls. The vga.memory is resized to 0.

[src/emu/bus/isa]	s3virge.c trident.c
[src/emu/video]	pc_vga.c pc_vga.h

trunk/src/emu/bus/isa/s3virge.c
r241621	r241622
45	45
46	46	void s3virge_vga_device::device_start()
47	47	{
48		// FIXME: this kills the vptr of vga.memory
49		memset(&vga, 0, sizeof(vga));
50		memset(&svga, 0, sizeof(svga));
	48	zero();
51	49
52	50	int x;
53	51	int i;

trunk/src/emu/bus/isa/trident.c
r241621	r241622
155	155
156	156	void trident_vga_device::device_start()
157	157	{
158		// FIXME: this kill the vga.memory vptr
159		memset(&vga, 0, sizeof(vga));
160		memset(&svga, 0, sizeof(svga));
	158	zero();
161	159
162	160	int i;
163	161	for (i = 0; i < 0x100; i++)

trunk/src/emu/video/pc_vga.c
r241621	r241622
198	198	{
199	199	}
200	200
	201	// zero everything, keep vtbls
	202	void vga_device::zero()
	203	{
	204	memset(&vga.svga_intf, 0, sizeof(vga.svga_intf));
	205	vga.memory.resize(0);
	206	memset(vga.pens, 0, sizeof(vga.pens));
	207	vga.miscellaneous_output = 0;
	208	vga.feature_control = 0;
	209	memset(&vga.sequencer, 0, sizeof(vga.sequencer));
	210	memset(&vga.crtc, 0, sizeof(vga.crtc));
	211	memset(&vga.gc, 0, sizeof(vga.gc));
	212	memset(&vga.attribute, 0, sizeof(vga.attribute));
	213	memset(&vga.dac, 0, sizeof(vga.dac));
	214	memset(&vga.oak, 0, sizeof(vga.oak));
	215	}
201	216
	217	void svga_device::zero()
	218	{
	219	vga_device::zero();
	220	memset(&svga, 0, sizeof(svga));
	221	}
	222
202	223	/* VBLANK callback, start address definitely updates AT vblank, not before. */
203	224	TIMER_CALLBACK_MEMBER(vga_device::vblank_timer_cb)
204	225	{
r241621	r241622
208	229
209	230	void vga_device::device_start()
210	231	{
211		// FIXME: this kills the vga.memory vptr
212		memset(&vga, 0, sizeof(vga));
	232	zero();
213	233
214	234	int i;
215	235	for (i = 0; i < 0x100; i++)

trunk/src/emu/video/pc_vga.h
r241621	r241622
26	26	vga_device(const machine_config &mconfig, const char tag, device_t owner, UINT32 clock);
27	27	vga_device(const machine_config &mconfig, device_type type, const char name, const char tag, device_t owner, UINT32 clock, const char shortname, const char *source);
28	28
29
	29	virtual void zero();
30	30	virtual UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
31	31
32	32	virtual READ8_MEMBER(port_03b0_r);
r241621	r241622
205	205	// construction/destruction
206	206	svga_device(const machine_config &mconfig, device_type type, const char name, const char tag, device_t owner, UINT32 clock, const char shortname, const char *source);
207	207
	208	virtual void zero();
208	209	virtual UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
209	210	protected:
210	211	void svga_vh_rgb8(bitmap_rgb32 &bitmap, const rectangle &cliprect);

199869 Revisions