[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 1.12 by cebix, 2001-07-11T19:26:13Z

#	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		/*
50		* Construct slot declaration ROM and copy it into the Mac ROM (must be called after VideoInit())
#	Line 102 \| Line 105 \| *static void PString(char str)**
105		srom[p++] = 0;
106		}
107
108	+	static uint32 VModeParms(const video_mode &mode, video_depth depth)
109	+	{
110	+	uint32 ret = p;
111	+	Long(50); // Length
112	+	Long(0); // Base offset
113	+	Word(video_bytes_per_row(depth, mode.resolution_id));
114	+	Word(0); // Bounds
115	+	Word(0);
116	+	Word(mode.y);
117	+	Word(mode.x);
118	+	Word(0); // Version
119	+	Word(0); // Pack type
120	+	Long(0); // Pack size
121	+	Long(0x00480000); // HRes
122	+	Long(0x00480000); // VRes
123	+	switch (depth) {
124	+	case VDEPTH_1BIT:
125	+	Word(0); // Pixel type (indirect)
126	+	Word(1); // Pixel size
127	+	Word(1); // CmpCount
128	+	Word(1); // CmpSize
129	+	break;
130	+	case VDEPTH_2BIT:
131	+	Word(0); // Pixel type (indirect)
132	+	Word(2); // Pixel size
133	+	Word(1); // CmpCount
134	+	Word(2); // CmpSize
135	+	break;
136	+	case VDEPTH_4BIT:
137	+	Word(0); // Pixel type (indirect)
138	+	Word(4); // Pixel size
139	+	Word(1); // CmpCount
140	+	Word(4); // CmpSize
141	+	break;
142	+	case VDEPTH_8BIT:
143	+	Word(0); // Pixel type (indirect)
144	+	Word(8); // Pixel size
145	+	Word(1); // CmpCount
146	+	Word(8); // CmpSize
147	+	break;
148	+	case VDEPTH_16BIT:
149	+	Word(16); // Pixel type (direct)
150	+	Word(16); // Pixel size
151	+	Word(3); // CmpCount
152	+	Word(5); // CmpSize
153	+	break;
154	+	case VDEPTH_32BIT:
155	+	Word(16); // Pixel type (direct)
156	+	Word(32); // Pixel size
157	+	Word(3); // CmpCount
158	+	Word(8); // CmpSize
159	+	break;
160	+	}
161	+	Long(0); // Plane size
162	+	Long(0); // Reserved
163	+	return ret;
164	+	}
165	+
166	+	static uint32 VModeDesc(uint32 params, bool direct)
167	+	{
168	+	uint32 ret = p;
169	+	Offs(0x01, params); // Video parameters
170	+	Rsrc(0x03, 1); // Page count
171	+	Rsrc(0x04, direct ? 2 : 0); // Device type
172	+	EndOfList();
173	+	return ret;
174	+	}
175	+
176		bool InstallSlotROM(void)
177		{
178		uint32 boardType, boardName, vendorID, revLevel, partNum, date;
179		uint32 vendorInfo, sRsrcBoard;
180
181		uint32 videoType, videoName, minorBase, minorLength, videoDrvr, vidDrvrDir;
182	<	uint32 defaultGamma, gammaDir, vidModeParms, vidMode, sRsrcVideo;
182	>	uint32 defaultGamma, gammaDir, sRsrcVideo;
183	>	uint32 vidModeParms1, vidModeParms2, vidModeParms4, vidModeParms8, vidModeParms16, vidModeParms32;
184	>	uint32 vidMode1, vidMode2, vidMode4, vidMode8, vidMode16, vidMode32;
185
186		uint32 cpuType, cpuName, cpuMajor, cpuMinor, sRsrcCPU;
187
#	Line 148 \| Line 221 \| bool InstallSlotROM(void)
221		Offs(0x24, vendorInfo); // Vendor Info
222		EndOfList();
223
224	<	// Video sResource
224	>	// Video sResource for default mode
225		videoType = p; // Literals
226	<	Word(3); Word(1); Word(1); Word(0x4232); // Display Video Apple 'B2'
226	>	Word(3); Word(1); Word(1); Word(0x4232); // Display Video Apple 'B2'
227		videoName = p;
228		String("Display_Video_Apple_Basilisk");
229		minorBase = p;
230	<	Long(VideoMonitor.mac_frame_base); // Frame buffer base
230	>	Long(VideoMonitor.mac_frame_base); // Frame buffer base
231		minorLength = p;
232	<	Long(VideoMonitor.bytes_per_row * VideoMonitor.y); // Frame buffer size
232	>	Long(0); // Frame buffer size (unspecified)
233
234		videoDrvr = p; // Video driver
235		Long(0x72); // Length
#	Line 229 \| Line 302 \| bool InstallSlotROM(void)
302		Offs(0x80, defaultGamma);
303		EndOfList();
304
305	<	vidModeParms = p; // Video mode parameters
306	<	Long(50); // Length
307	<	Long(0); // Base offset
308	<	Word(VideoMonitor.bytes_per_row); // Row bytes
309	<	Word(0); // Bounds
310	<	Word(0);
311	<	Word(VideoMonitor.y);
312	<	Word(VideoMonitor.x);
313	<	Word(0); // Version
314	<	Word(0); // Pack type
315	<	Long(0); // Pack size
316	<	Long(0x00480000); // HRes
317	<	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();
305	>	vidModeParms1 = VModeParms(VideoMonitor.mode, VDEPTH_1BIT);
306	>	vidModeParms2 = VModeParms(VideoMonitor.mode, VDEPTH_2BIT);
307	>	vidModeParms4 = VModeParms(VideoMonitor.mode, VDEPTH_4BIT);
308	>	vidModeParms8 = VModeParms(VideoMonitor.mode, VDEPTH_8BIT);
309	>	vidModeParms16 = VModeParms(VideoMonitor.mode, VDEPTH_16BIT);
310	>	vidModeParms32 = VModeParms(VideoMonitor.mode, VDEPTH_32BIT);
311	>
312	>	vidMode1 = VModeDesc(vidModeParms1, false);
313	>	vidMode2 = VModeDesc(vidModeParms2, false);
314	>	vidMode4 = VModeDesc(vidModeParms4, false);
315	>	vidMode8 = VModeDesc(vidModeParms8, false);
316	>	vidMode16 = VModeDesc(vidModeParms16, true);
317	>	vidMode32 = VModeDesc(vidModeParms32, true);
318
319		sRsrcVideo = p;
320		Offs(0x01, videoType); // Video type descriptor
#	Line 298 \| Line 325 \| bool InstallSlotROM(void)
325		Offs(0x0b, minorLength); // Frame buffer length
326		Offs(0x40, gammaDir); // Gamma directory
327		Rsrc(0x7d, 6); // Video attributes: Default to color, built-in
328	<	Offs(0x80, vidMode); // Video mode parameters
328	>	if (video_has_depth(VDEPTH_1BIT))
329	>	Offs(DepthToAppleMode(VDEPTH_1BIT), vidMode1); // Video mode parameters for 1 bit
330	>	if (video_has_depth(VDEPTH_2BIT))
331	>	Offs(DepthToAppleMode(VDEPTH_2BIT), vidMode2); // Video mode parameters for 2 bit
332	>	if (video_has_depth(VDEPTH_4BIT))
333	>	Offs(DepthToAppleMode(VDEPTH_4BIT), vidMode4); // Video mode parameters for 4 bit
334	>	if (video_has_depth(VDEPTH_8BIT))
335	>	Offs(DepthToAppleMode(VDEPTH_8BIT), vidMode8); // Video mode parameters for 8 bit
336	>	if (video_has_depth(VDEPTH_16BIT))
337	>	Offs(DepthToAppleMode(VDEPTH_16BIT), vidMode16); // Video mode parameters for 16 bit
338	>	if (video_has_depth(VDEPTH_32BIT))
339	>	Offs(DepthToAppleMode(VDEPTH_32BIT), vidMode32); // Video mode parameters for 32 bit
340		EndOfList();
341
342		// CPU sResource
#	Line 385 \| Line 423 \| bool InstallSlotROM(void)
423		// Format/header block
424		Offs(0, sRsrcDir); // sResource directory
425		Long(p + 16); // Length of declaration data
426	<	Long(0); // CRC (calculated below)
426	>	Long(0); // CRC (calculated later)
427		Word(0x0101); // Rev. level, format
428		Long(0x5a932bc7); // Test pattern
429		Word(0x000f); // Byte lanes
430
431	+	// Copy slot ROM to Mac ROM
432	+	slot_rom_size = p;
433	+	memcpy(ROMBaseHost + ROMSize - slot_rom_size, srom, slot_rom_size);
434	+
435	+	// Calculate checksum
436	+	ChecksumSlotROM();
437	+	return true;
438	+	}
439	+
440	+	/*
441	+	* Calculate slot ROM checksum (in-place)
442	+	*/
443	+
444	+	void ChecksumSlotROM(void)
445	+	{
446		// Calculate CRC
447	+	uint8 *p = ROMBaseHost + ROMSize - slot_rom_size;
448	+	p[slot_rom_size - 12] = 0;
449	+	p[slot_rom_size - 11] = 0;
450	+	p[slot_rom_size - 10] = 0;
451	+	p[slot_rom_size - 9] = 0;
452		uint32 crc = 0;
453	<	for (int i=0; i<p; i++) {
453	>	for (int i=0; i<slot_rom_size; i++) {
454		crc = (crc << 1) \| (crc >> 31);
455	<	crc += srom[i];
455	>	crc += p[i];
456		}
457	<	srom[p - 12] = crc >> 24;
458	<	srom[p - 11] = crc >> 16;
459	<	srom[p - 10] = crc >> 8;
460	<	srom[p - 9] = crc;
403	<
404	<	// Copy slot ROM to Mac ROM
405	<	memcpy(ROMBaseHost + ROMSize - p, srom, p);
406	<	return true;
457	>	p[slot_rom_size - 12] = crc >> 24;
458	>	p[slot_rom_size - 11] = crc >> 16;
459	>	p[slot_rom_size - 10] = crc >> 8;
460	>	p[slot_rom_size - 9] = crc;
461		}

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Comparing BasiliskII/src/slot_rom.cpp (file contents): Revision 1.1 by cebix, 1999-10-03T14:16:25Z vs. Revision 1.12 by cebix, 2001-07-11T19:26:13Z

Diff Legend

Comparing BasiliskII/src/slot_rom.cpp (file contents):
Revision 1.1 by cebix, 1999-10-03T14:16:25Z vs.
Revision 1.12 by cebix, 2001-07-11T19:26:13Z