[ViewVC] Diff of: cebix/BasiliskII/src/slot

Comparing BasiliskII/src/slot_rom.cpp (file contents):
Revision 1.1 by cebix, 1999-10-03T14:16:25Z vs.
Revision 1.9 by cebix, 2001-06-29T12:51:20Z

#	Line 1 \| Line 1
1		/*
2		* slot_rom.cpp - Slot declaration ROM
3		*
4	<	* Basilisk II (C) 1996-1997 Christian Bauer
4	>	* Basilisk II (C) 1996-2001 Christian Bauer
5		*
6		* This program is free software; you can redistribute it and/or modify
7		* it under the terms of the GNU General Public License as published by
#	Line 42 \| Line 42 \| static uint8 srom[4096];
42		// Index in srom
43		static uint32 p;
44
45	+	// Length of slot ROM
46	+	static int slot_rom_size = 0;
47	+
48	+
49	+	// Check whether a mode with the specified depth exists
50	+	static bool has_depth(video_depth depth)
51	+	{
52	+	std::vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
53	+	while (i != end) {
54	+	if (i->depth == depth)
55	+	return true;
56	+	++i;
57	+	}
58	+	return false;
59	+	}
60	+
61
62		/*
63		* Construct slot declaration ROM and copy it into the Mac ROM (must be called after VideoInit())
#	Line 102 \| Line 118 \| *static void PString(char str)**
118		srom[p++] = 0;
119		}
120
121	+	static uint32 VModeParms(uint32 width, uint32 height, uint32 bytes_per_row, video_depth depth)
122	+	{
123	+	uint32 ret = p;
124	+	Long(50); // Length
125	+	Long(0); // Base offset
126	+	Word(bytes_per_row); // Row bytes
127	+	Word(0); // Bounds
128	+	Word(0);
129	+	Word(height);
130	+	Word(width);
131	+	Word(0); // Version
132	+	Word(0); // Pack type
133	+	Long(0); // Pack size
134	+	Long(0x00480000); // HRes
135	+	Long(0x00480000); // VRes
136	+	switch (depth) {
137	+	case VDEPTH_1BIT:
138	+	Word(0); // Pixel type (indirect)
139	+	Word(1); // Pixel size
140	+	Word(1); // CmpCount
141	+	Word(1); // CmpSize
142	+	break;
143	+	case VDEPTH_2BIT:
144	+	Word(0); // Pixel type (indirect)
145	+	Word(2); // Pixel size
146	+	Word(1); // CmpCount
147	+	Word(2); // CmpSize
148	+	break;
149	+	case VDEPTH_4BIT:
150	+	Word(0); // Pixel type (indirect)
151	+	Word(4); // Pixel size
152	+	Word(1); // CmpCount
153	+	Word(4); // CmpSize
154	+	break;
155	+	case VDEPTH_8BIT:
156	+	Word(0); // Pixel type (indirect)
157	+	Word(8); // Pixel size
158	+	Word(1); // CmpCount
159	+	Word(8); // CmpSize
160	+	break;
161	+	case VDEPTH_16BIT:
162	+	Word(16); // Pixel type (direct)
163	+	Word(16); // Pixel size
164	+	Word(3); // CmpCount
165	+	Word(5); // CmpSize
166	+	break;
167	+	case VDEPTH_32BIT:
168	+	Word(16); // Pixel type (direct)
169	+	Word(32); // Pixel size
170	+	Word(3); // CmpCount
171	+	Word(8); // CmpSize
172	+	break;
173	+	}
174	+	Long(0); // Plane size
175	+	Long(0); // Reserved
176	+	return ret;
177	+	}
178	+
179	+	static uint32 VModeDesc(uint32 params, bool direct)
180	+	{
181	+	uint32 ret = p;
182	+	Offs(0x01, params); // Video parameters
183	+	Rsrc(0x03, 1); // Page count
184	+	Rsrc(0x04, direct ? 2 : 0); // Device type
185	+	EndOfList();
186	+	return ret;
187	+	}
188	+
189		bool InstallSlotROM(void)
190		{
191		uint32 boardType, boardName, vendorID, revLevel, partNum, date;
192		uint32 vendorInfo, sRsrcBoard;
193
194		uint32 videoType, videoName, minorBase, minorLength, videoDrvr, vidDrvrDir;
195	<	uint32 defaultGamma, gammaDir, vidModeParms, vidMode, sRsrcVideo;
195	>	uint32 defaultGamma, gammaDir, sRsrcVideo;
196	>	uint32 vidModeParms1, vidModeParms2, vidModeParms4, vidModeParms8, vidModeParms16, vidModeParms32;
197	>	uint32 vidMode1, vidMode2, vidMode4, vidMode8, vidMode16, vidMode32;
198
199		uint32 cpuType, cpuName, cpuMajor, cpuMinor, sRsrcCPU;
200
#	Line 148 \| Line 234 \| bool InstallSlotROM(void)
234		Offs(0x24, vendorInfo); // Vendor Info
235		EndOfList();
236
237	<	// Video sResource
237	>	// Video sResource for default mode
238		videoType = p; // Literals
239	<	Word(3); Word(1); Word(1); Word(0x4232); // Display Video Apple 'B2'
239	>	Word(3); Word(1); Word(1); Word(0x4232); // Display Video Apple 'B2'
240		videoName = p;
241		String("Display_Video_Apple_Basilisk");
242		minorBase = p;
243	<	Long(VideoMonitor.mac_frame_base); // Frame buffer base
243	>	Long(VideoMonitor.mac_frame_base); // Frame buffer base
244		minorLength = p;
245	<	Long(VideoMonitor.bytes_per_row * VideoMonitor.y); // Frame buffer size
245	>	Long(0); // Frame buffer size (unspecified)
246
247		videoDrvr = p; // Video driver
248		Long(0x72); // Length
#	Line 229 \| Line 315 \| bool InstallSlotROM(void)
315		Offs(0x80, defaultGamma);
316		EndOfList();
317
318	<	vidModeParms = p; // Video mode parameters
319	<	Long(50); // Length
320	<	Long(0); // Base offset
321	<	Word(VideoMonitor.bytes_per_row); // Row bytes
322	<	Word(0); // Bounds
323	<	Word(0);
324	<	Word(VideoMonitor.y);
325	<	Word(VideoMonitor.x);
326	<	Word(0); // Version
327	<	Word(0); // Pack type
328	<	Long(0); // Pack size
329	<	Long(0x00480000); // HRes
330	<	Long(0x00480000); // VRes
245	<	switch (VideoMonitor.mode) {
246	<	case VMODE_1BIT:
247	<	Word(0); // Pixel type (indirect)
248	<	Word(1); // Pixel size
249	<	Word(1); // CmpCount
250	<	Word(1); // CmpSize
251	<	break;
252	<	case VMODE_2BIT:
253	<	Word(0); // Pixel type (indirect)
254	<	Word(2); // Pixel size
255	<	Word(1); // CmpCount
256	<	Word(2); // CmpSize
257	<	break;
258	<	case VMODE_4BIT:
259	<	Word(0); // Pixel type (indirect)
260	<	Word(4); // Pixel size
261	<	Word(1); // CmpCount
262	<	Word(4); // CmpSize
263	<	break;
264	<	case VMODE_8BIT:
265	<	Word(0); // Pixel type (indirect)
266	<	Word(8); // Pixel size
267	<	Word(1); // CmpCount
268	<	Word(8); // CmpSize
269	<	break;
270	<	case VMODE_16BIT:
271	<	Word(16); // Pixel type (direct)
272	<	Word(16); // Pixel size
273	<	Word(3); // CmpCount
274	<	Word(5); // CmpSize
275	<	break;
276	<	case VMODE_32BIT:
277	<	Word(16); // Pixel type (direct)
278	<	Word(32); // Pixel size
279	<	Word(3); // CmpCount
280	<	Word(8); // CmpSize
281	<	break;
282	<	}
283	<	Long(0); // Plane size
284	<	Long(0); // Reserved
285	<
286	<	vidMode = p; // Video mode description
287	<	Offs(0x01, vidModeParms); // Video parameters
288	<	Rsrc(0x03, 1); // Page count
289	<	Rsrc(0x04, IsDirectMode(VideoMonitor.mode) ? 2 :0); // Device type
290	<	EndOfList();
318	>	vidModeParms1 = VModeParms(VideoMonitor.mode.x, VideoMonitor.mode.y, VideoMonitor.mode.bytes_per_row, VDEPTH_1BIT);
319	>	vidModeParms2 = VModeParms(VideoMonitor.mode.x, VideoMonitor.mode.y, VideoMonitor.mode.bytes_per_row, VDEPTH_2BIT);
320	>	vidModeParms4 = VModeParms(VideoMonitor.mode.x, VideoMonitor.mode.y, VideoMonitor.mode.bytes_per_row, VDEPTH_4BIT);
321	>	vidModeParms8 = VModeParms(VideoMonitor.mode.x, VideoMonitor.mode.y, VideoMonitor.mode.bytes_per_row, VDEPTH_8BIT);
322	>	vidModeParms16 = VModeParms(VideoMonitor.mode.x, VideoMonitor.mode.y, VideoMonitor.mode.bytes_per_row, VDEPTH_16BIT);
323	>	vidModeParms32 = VModeParms(VideoMonitor.mode.x, VideoMonitor.mode.y, VideoMonitor.mode.bytes_per_row, VDEPTH_32BIT);
324	>
325	>	vidMode1 = VModeDesc(vidModeParms1, false);
326	>	vidMode2 = VModeDesc(vidModeParms2, false);
327	>	vidMode4 = VModeDesc(vidModeParms4, false);
328	>	vidMode8 = VModeDesc(vidModeParms8, false);
329	>	vidMode16 = VModeDesc(vidModeParms16, true);
330	>	vidMode32 = VModeDesc(vidModeParms32, true);
331
332		sRsrcVideo = p;
333		Offs(0x01, videoType); // Video type descriptor
#	Line 298 \| Line 338 \| bool InstallSlotROM(void)
338		Offs(0x0b, minorLength); // Frame buffer length
339		Offs(0x40, gammaDir); // Gamma directory
340		Rsrc(0x7d, 6); // Video attributes: Default to color, built-in
341	<	Offs(0x80, vidMode); // Video mode parameters
341	>	if (has_depth(VDEPTH_1BIT))
342	>	Offs(0x80, vidMode1); // Video mode parameters for 1 bit
343	>	if (has_depth(VDEPTH_2BIT))
344	>	Offs(0x81, vidMode2); // Video mode parameters for 2 bit
345	>	if (has_depth(VDEPTH_4BIT))
346	>	Offs(0x82, vidMode4); // Video mode parameters for 4 bit
347	>	if (has_depth(VDEPTH_8BIT))
348	>	Offs(0x83, vidMode8); // Video mode parameters for 8 bit
349	>	if (has_depth(VDEPTH_16BIT))
350	>	Offs(0x84, vidMode16); // Video mode parameters for 16 bit
351	>	if (has_depth(VDEPTH_32BIT))
352	>	Offs(0x85, vidMode32); // Video mode parameters for 32 bit
353		EndOfList();
354
355		// CPU sResource
#	Line 385 \| Line 436 \| bool InstallSlotROM(void)
436		// Format/header block
437		Offs(0, sRsrcDir); // sResource directory
438		Long(p + 16); // Length of declaration data
439	<	Long(0); // CRC (calculated below)
439	>	Long(0); // CRC (calculated later)
440		Word(0x0101); // Rev. level, format
441		Long(0x5a932bc7); // Test pattern
442		Word(0x000f); // Byte lanes
443
444	+	// Copy slot ROM to Mac ROM
445	+	slot_rom_size = p;
446	+	memcpy(ROMBaseHost + ROMSize - slot_rom_size, srom, slot_rom_size);
447	+
448	+	// Calculate checksum
449	+	ChecksumSlotROM();
450	+	return true;
451	+	}
452	+
453	+	/*
454	+	* Calculate slot ROM checksum (in-place)
455	+	*/
456	+
457	+	void ChecksumSlotROM(void)
458	+	{
459		// Calculate CRC
460	+	uint8 *p = ROMBaseHost + ROMSize - slot_rom_size;
461	+	p[slot_rom_size - 12] = 0;
462	+	p[slot_rom_size - 11] = 0;
463	+	p[slot_rom_size - 10] = 0;
464	+	p[slot_rom_size - 9] = 0;
465		uint32 crc = 0;
466	<	for (int i=0; i<p; i++) {
466	>	for (uint32 i=0; i<slot_rom_size; i++) {
467		crc = (crc << 1) \| (crc >> 31);
468	<	crc += srom[i];
468	>	crc += p[i];
469		}
470	<	srom[p - 12] = crc >> 24;
471	<	srom[p - 11] = crc >> 16;
472	<	srom[p - 10] = crc >> 8;
473	<	srom[p - 9] = crc;
403	<
404	<	// Copy slot ROM to Mac ROM
405	<	memcpy(ROMBaseHost + ROMSize - p, srom, p);
406	<	return true;
470	>	p[slot_rom_size - 12] = crc >> 24;
471	>	p[slot_rom_size - 11] = crc >> 16;
472	>	p[slot_rom_size - 10] = crc >> 8;
473	>	p[slot_rom_size - 9] = crc;
474		}

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Comparing BasiliskII/src/slot_rom.cpp (file contents): Revision 1.1 by cebix, 1999-10-03T14:16:25Z vs. Revision 1.9 by cebix, 2001-06-29T12:51:20Z

Diff Legend

Comparing BasiliskII/src/slot_rom.cpp (file contents):
Revision 1.1 by cebix, 1999-10-03T14:16:25Z vs.
Revision 1.9 by cebix, 2001-06-29T12:51:20Z