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Updated a couple more PC Tech Journal diskettes (the "Best Of" diskette required some additional ZIP archives to be merged into it)

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This commit is contained in:
Jeff Parsons 2017-07-08 15:29:41 -07:00 • committed by Jeff Parsons
commit 03647b8982
5 changed files with 140 additions and 22 deletions
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32
modules/diskdump/lib/diskdump.js
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@ -482,22 +482,6 @@ DiskDump.aDefaultBPBs = [
0x02, 0x00, // 0x1A: number of heads (2)
0x00, 0x00, 0x00, 0x00 // 0x1C: number of hidden sectors (always 0 for non-partitioned media)
],
[ // define BPB for 720Kb diskette
0xEB, 0xFE, 0x90, // 0x00: JMP instruction, following by 8-byte OEM signature
0x50, 0x43, 0x4A, 0x53, 0x2E, 0x4F, 0x52, 0x47, // PCJS_OEM
// 0x49, 0x42, 0x4D, 0x20, 0x20, 0x35, 0x2E, 0x30, // "IBM 5.0" (this is a real OEM signature)
0x00, 0x02, // 0x0B: bytes per sector (0x200 or 512)
0x02, // 0x0D: sectors per cluster (2)
0x01, 0x00, // 0x0E: reserved sectors; ie, # sectors preceding the first FAT--usually just the boot sector (1)
0x02, // 0x10: FAT copies (2)
0x70, 0x00, // 0x11: root directory entries (0x70 or 112) 0x70 * 0x20 = 0xE00 (1 sector is 0x200 bytes, total of 7 sectors)
0xA0, 0x05, // 0x13: number of sectors (0x5A0 or 1440)
0xF9, // 0x15: media ID
0x03, 0x00, // 0x16: sectors per FAT (3)
0x09, 0x00, // 0x18: sectors per track (9)
0x02, 0x00, // 0x1A: number of heads (2)
0x00, 0x00, 0x00, 0x00 // 0x1C: number of hidden sectors (always 0 for non-partitioned media)
],
[ // define BPB for 1.2Mb diskette
0xEB, 0xFE, 0x90, // 0x00: JMP instruction, following by 8-byte OEM signature
0x50, 0x43, 0x4A, 0x53, 0x2E, 0x4F, 0x52, 0x47, // PCJS_OEM
@ -514,6 +498,22 @@ DiskDump.aDefaultBPBs = [
0x02, 0x00, // 0x1A: number of heads (2)
0x00, 0x00, 0x00, 0x00 // 0x1C: number of hidden sectors (always 0 for non-partitioned media)
],
[ // define BPB for 720Kb diskette
0xEB, 0xFE, 0x90, // 0x00: JMP instruction, following by 8-byte OEM signature
0x50, 0x43, 0x4A, 0x53, 0x2E, 0x4F, 0x52, 0x47, // PCJS_OEM
// 0x49, 0x42, 0x4D, 0x20, 0x20, 0x35, 0x2E, 0x30, // "IBM 5.0" (this is a real OEM signature)
0x00, 0x02, // 0x0B: bytes per sector (0x200 or 512)
0x02, // 0x0D: sectors per cluster (2)
0x01, 0x00, // 0x0E: reserved sectors; ie, # sectors preceding the first FAT--usually just the boot sector (1)
0x02, // 0x10: FAT copies (2)
0x70, 0x00, // 0x11: root directory entries (0x70 or 112) 0x70 * 0x20 = 0xE00 (1 sector is 0x200 bytes, total of 7 sectors)
0xA0, 0x05, // 0x13: number of sectors (0x5A0 or 1440)
0xF9, // 0x15: media ID
0x03, 0x00, // 0x16: sectors per FAT (3)
0x09, 0x00, // 0x18: sectors per track (9)
0x02, 0x00, // 0x1A: number of heads (2)
0x00, 0x00, 0x00, 0x00 // 0x1C: number of hidden sectors (always 0 for non-partitioned media)
],
[ // define BPB for 1.44Mb diskette
0xEB, 0xFE, 0x90, // 0x00: JMP instruction, following by 8-byte OEM signature
0x50, 0x43, 0x4A, 0x53, 0x2E, 0x4F, 0x52, 0x47, // PCJS_OEM