sidinfo: sidlib.c annotate

annotate sidlib.c @ 73:2b2376f1b0cc

Update copyright years. Yay. It's 2016!

author	Matti Hamalainen <ccr@tnsp.org>
date	Fri, 01 Jan 2016 03:46:00 +0200
parents	1e6ad4be7f15
children	d14c82880141

rev	line source
70 4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1 /*
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2 * SIDInfoLib - Way too simplistic PSID/RSID file library
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3 * Written by Matti 'ccr' Hämäläinen <ccr@tnsp.org>
73 2b2376f1b0cc Update copyright years. Yay. It's 2016! Matti Hamalainen <ccr@tnsp.org> parents: 71 diff changeset	4 * (C) Copyright 2014-2016 Tecnic Software productions (TNSP)
70 4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	5 */
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	6 #include "sidlib.h"
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	7 #include "th_endian.h"
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	8
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	9
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	10 static void siAppendHash16(th_md5state_t *state, uint16_t data)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	11 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	12 uint8_t ib8[2];
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	13 ib8[0] = data & 0xff;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	14 ib8[1] = data >> 8;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	15 th_md5_append(state, (uint8_t *) &ib8, sizeof(ib8));
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	16 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	17
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	18
71 1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	19 int siReadPSIDFile(FILE fh, PSIDHeader psid)
70 4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	20 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	21 th_md5state_t state;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	22 uint8_t tmp8, *fileData = NULL;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	23 int index, ret = -1;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	24 size_t read;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	25 BOOL first;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	26
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	27 memset(psid, 0, sizeof(*psid));
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	28
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	29 if ((fileData = (uint8_t *) th_malloc(PSID_BUFFER_SIZE)) == NULL)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	30 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	31 THERR("Error allocating temporary data buffer of %d bytes.\n", PSID_BUFFER_SIZE);
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	32 goto error;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	33 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	34
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	35 // Read PSID header in
71 1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	36 if (!th_fread_str(fh, (uint8_t *) psid->magic, PSID_MAGIC_LEN) \|\|
1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	37 !th_fread_be16(fh, &psid->version) \|\|
1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	38 !th_fread_be16(fh, &psid->dataOffset) \|\|
1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	39 !th_fread_be16(fh, &psid->loadAddress) \|\|
1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	40 !th_fread_be16(fh, &psid->initAddress) \|\|
1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	41 !th_fread_be16(fh, &psid->playAddress) \|\|
1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	42 !th_fread_be16(fh, &psid->nSongs) \|\|
1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	43 !th_fread_be16(fh, &psid->startSong) \|\|
1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	44 !th_fread_be32(fh, &psid->speed))
70 4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	45 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	46 THERR("Could not read PSID/RSID header.\n");
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	47 goto error;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	48 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	49
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	50 psid->magic[PSID_MAGIC_LEN] = 0;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	51
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	52 if ((psid->magic[0] != 'R' && psid->magic[0] != 'P') \|\|
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	53 psid->magic[1] != 'S' \|\| psid->magic[2] != 'I' \|\| psid->magic[3] != 'D' \|\|
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	54 psid->version < 1 \|\| psid->version > 3)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	55 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	56 THERR("Not a supported PSID or RSID file.\n");
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	57 goto error;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	58 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	59
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	60 psid->isRSID = psid->magic[0] == 'R';
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	61
71 1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	62 if (!th_fread_str(fh, (uint8_t *)psid->sidName, PSID_STR_LEN) \|\|
1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	63 !th_fread_str(fh, (uint8_t *)psid->sidAuthor, PSID_STR_LEN) \|\|
1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	64 !th_fread_str(fh, (uint8_t *)psid->sidCopyright, PSID_STR_LEN))
70 4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	65 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	66 THERR("Error reading SID file header.\n");
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	67 goto error;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	68 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	69
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	70 psid->sidName[PSID_STR_LEN] = 0;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	71 psid->sidAuthor[PSID_STR_LEN] = 0;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	72 psid->sidCopyright[PSID_STR_LEN] = 0;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	73
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	74 // Check if we need to load PSIDv2NG header ...
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	75 if (psid->version >= 2)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	76 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	77 // Yes, we need to
71 1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	78 if (!th_fread_be16(fh, &psid->flags) \|\|
1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	79 !th_fread_byte(fh, &psid->startPage) \|\|
1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	80 !th_fread_byte(fh, &psid->pageLength) \|\|
1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	81 !th_fread_be16(fh, &psid->reserved))
70 4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	82 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	83 THERR("Error reading PSID/RSID v2+ extra header data.\n");
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	84 goto error;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	85 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	86 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	87
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	88 // Initialize MD5-hash calculation
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	89 th_md5_init(&state);
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	90
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	91 // Process actual data
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	92 psid->dataSize = 0;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	93 first = TRUE;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	94 do
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	95 {
71 1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	96 read = fread(fileData, sizeof(uint8_t), PSID_BUFFER_SIZE, fh);
70 4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	97 psid->dataSize += read;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	98
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	99 if (first && psid->loadAddress == 0)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	100 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	101 if (read < 4)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	102 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	103 THERR("Error reading song data, unexpectedly small file.\n");
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	104 goto error;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	105 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	106
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	107 // Grab the actual load address
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	108 psid->loadAddress = TH_LE16_TO_NATIVE((uint16_t ) fileData);
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	109
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	110 // Strip load address (2 first bytes)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	111 th_md5_append(&state, &fileData[2], read - 2);
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	112 first = FALSE;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	113 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	114 else
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	115 if (read > 0)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	116 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	117 // Append "as is"
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	118 th_md5_append(&state, fileData, read);
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	119 }
71 1e6ad4be7f15 Rename a function argument. Matti Hamalainen <ccr@tnsp.org> parents: 70 diff changeset	120 } while (read > 0 && !feof(fh));
70 4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	121
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	122 // Append header data to hash
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	123 siAppendHash16(&state, psid->initAddress);
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	124 siAppendHash16(&state, psid->playAddress);
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	125 siAppendHash16(&state, psid->nSongs);
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	126
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	127 // Append song speed data to hash
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	128 tmp8 = psid->isRSID ? 60 : 0;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	129 for (index = 0; index < psid->nSongs && index < 32; index++)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	130 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	131 if (psid->isRSID)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	132 tmp8 = 60;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	133 else
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	134 tmp8 = (psid->speed & (1 << index)) ? 60 : 0;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	135
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	136 th_md5_append(&state, &tmp8, sizeof(tmp8));
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	137 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	138
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	139 // Rest of songs (more than 32)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	140 for (index = 32; index < psid->nSongs; index++)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	141 th_md5_append(&state, &tmp8, sizeof(tmp8));
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	142
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	143 // PSIDv2NG specific
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	144 if (psid->version >= 2)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	145 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	146 // REFER TO SIDPLAY HEADERS FOR MORE INFORMATION
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	147 tmp8 = (psid->flags >> 2) & 3;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	148 if (tmp8 == 2)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	149 th_md5_append(&state, &tmp8, sizeof(tmp8));
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	150 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	151
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	152 // Calculate the hash
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	153 th_md5_finish(&state, psid->hash);
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	154 ret = 0;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	155
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	156 error:
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	157 // Free buffer
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	158 th_free(fileData);
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	159 return ret;
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	160 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	161
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	162
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	163 const char *siGetSIDClockStr(const int flags)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	164 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	165 switch (flags & PSF_CLOCK_MASK)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	166 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	167 case PSF_CLOCK_UNKNOWN : return "Unknown";
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	168 case PSF_CLOCK_PAL : return "PAL 50Hz";
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	169 case PSF_CLOCK_NTSC : return "NTSC 60Hz";
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	170 case PSF_CLOCK_ANY : return "PAL / NTSC";
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	171 default : return "?";
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	172 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	173 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	174
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	175
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	176 const char *siGetSIDModelStr(const int flags)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	177 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	178 switch (flags & PSF_MODEL_MASK)
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	179 {
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	180 case PSF_MODEL_UNKNOWN : return "Unknown";
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	181 case PSF_MODEL_MOS6581 : return "MOS6581";
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	182 case PSF_MODEL_MOS8580 : return "MOS8580";
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	183 case PSF_MODEL_ANY : return "MOS6581 / MOS8580";
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	184 default : return "?";
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	185 }
4779bbec2f28 Split some functionality into sidlib.[ch]. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	186 }

Mercurial > hg > sidinfo

annotate sidlib.c @ 73:2b2376f1b0cc