Method 2
+182
Dummy driver for CPM2.2 which uses X-SUB method to install itself into the TPA. This then lowers TPA.
no edit summary
-2
no edit summary
+49
no edit summary
+35
Software
+63
Amstrad CPC and CP/M
-147
no edit summary
+9
Amstrad's implementation of CPM 2.2
+12
no edit summary
+230
Implementing a storage device driver
+62
TPA
+156
TPA
Amstrad's implementation of CPM 2.2
+392
Method 2
+158
XSUB.COM
+531
Contents
-733
Amstrad's implementation of CPM 2.2
-3
no edit summary
+284
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
no edit summary
+9
no edit summary
+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."
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+65
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+10
no edit summary
+31
no edit summary
+14
no edit summary
+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