Installing persistent programs
+982
Patching the BIOS jumpblock
-20
Method 1
+19
Skeleton CPM2.2 driver which patches BIOS. This driver lives outside of CP/M in memory allocated by using MOVCPM.
Memory Map
+1,870
Technical information
+49
MOVCPM
+313
Booting CPM
+6
RSX commands
+730
Floppy Discs
+36
no edit summary
+73
RSX commands
+155
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+9
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+31
no edit summary
+888
Created page with "Dobbertin re-implemented CPM+ which includes drivers for their Hard disc. The main hard disc functions are in bank 0, with hard disk read/write in the common C7 bank."
no edit summary
+65
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+10
no edit summary
+31
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+14
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+179
Software
-2
no edit summary
+44
no edit summary
-71
Created page with "DDOS is a floppy disc operating system from the German company Dobbertin Industrie Electronic. DDOS is delivered as a 16 KB EPROM with a lot of software and a manual. DDO..."
Software
+33
Vortex's implementation of CP/M on Vortex's Winchester WD20 hard disk
+49
Technical Details
+176
Memory Map
-1
Technical information
+5
Amstrad's implementation of CPM 2.2
Amstrad's implementation of CPM 2.2
+130
Amstrad's implementation of CP/M+
+641
Memory Map
+376
Technical information
+139
Amstrad's implementation of CPM 2.2
+75
Amstrad's implementation of CPM 2.2
+318
Technical information
+900
Memory Map
+110
Technical information
+214
Amstrad's implementation of CPM 2.2
+2,818
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+26
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+4
no edit summary
+98
Description
-112
no edit summary
+452