X-DDOS - Revision history

TFM: /* Downloads */

2025-01-15T13:31:33Z

‎Downloads

2025-01-10T08:37:01Z

‎Downloads

2020-12-02T17:43:25Z

‎RSX commands: added content

2018-05-12T16:11:24Z

2018-05-09T20:09:57Z

‎Booting CPM

2018-05-09T20:09:11Z

‎RSX commands

2018-05-09T19:57:20Z

‎Floppy Discs

2018-05-09T19:54:49Z

2018-05-09T19:53:16Z

‎RSX commands

2018-05-09T18:55:39Z

@@ Line 62: / Line 62: @@
 * [[Media:XDDOS210.ROM| X-DDOS 2.10 ROM]]
 * [[Media:XDDOS deutsch.pdf| X-DDOS manual (German)]]
-[[Category:Disc Operating System]] [[Category:Expansion ROM]]
+[[Category:Disc Operating System]]

@@ Line 61: / Line 61: @@
 * [[Media:X-DDOS20.ZIP|X-DDOS v2.0 (zipped ROM file)]]
 * [[Media:XDDOS210.ROM| X-DDOS 2.10 ROM]]
 [[Category:Disc Operating System]] [[Category:Expansion ROM]]

← Older revision		Revision as of 17:43, 2 December 2020
Line 14:		Line 14:

	X-DDOS extras: \|SYSCOPY, \|TYPE, \|GDUMP, \|DIR128, \|DIR64, \|HELP, \|XDRIVE		X-DDOS extras: \|SYSCOPY, \|TYPE, \|GDUMP, \|DIR128, \|DIR64, \|HELP, \|XDRIVE
		+
		+	X-DDOS 2 extras: \|COPY (great command to copy files from any drive/partition/user-number to any drive/partition/user-number. That can be users from 0 to 15 and A, B, C, D, E, F and G where C = RAMdisc and D, E, F, G = Harddisc)

	\|HELP,<number> - display list of RSX commands for the given rom <number>		\|HELP,<number> - display list of RSX commands for the given rom <number>

@@ Line 4: / Line 4: @@
 * X-DDOS can be used as a rom 7 replacement.
-* X-DDOS can autoboot CPM if it's drive 0.
+* X-DDOS can autoboot CPM if it's ROM 0.
 * X-DDOS has a checksum check

@@ Line 32: / Line 32: @@
 * iobyte (0003) is set to 81
 * the current drive is written to &0004. A = 0, B = 1, D=3 etc.
-* ad33 'enter firmware' is setup.
+* 'enter firmware' (&ad33) jp is setup.
 * the XDPB is queried to find the location of the boot sector
 * the boot sector is loaded to &100.

← Older revision		Revision as of 20:09, 9 May 2018
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	\|CPM or \|CPM,<drive> - Boot CPM from drive A, or chosen drive. A=0,B=1,D=3,E=4,F=5,G=6. Can boot from D,E,F,G if HD is detected. Can't boot from drive C.		\|CPM or \|CPM,<drive> - Boot CPM from drive A, or chosen drive. A=0,B=1,D=3,E=4,F=5,G=6. Can boot from D,E,F,G if HD is detected. Can't boot from drive C.
		+
		+	== Booting CPM ==
		+
		+	The process to boot cpm is the same on floppy discs and hard disk and uses a common read sector function that re-directs to low-level functions based on the chosen drive.
		+
		+	Using \|CPM,<drive> you can define which drive to boot from.
		+
		+	When \|CPM is executed:
		+	* on 2.10 and later, the hard disc is detected and be4b is set to ff if detected, 00 if not detected.
		+	* the bios jumpblock is copied to be80 from c07b.
		+	* iobyte (0003) is set to 81
		+	* the current drive is written to &0004. A = 0, B = 1, D=3 etc.
		+	* ad33 'enter firmware' is setup.
		+	* the XDPB is queried to find the location of the boot sector
		+	* the boot sector is loaded to &100.
		+	* if the boot sector has code, then the boot sector is executed from &100.

	== Floppy Discs ==		== Floppy Discs ==

@@ Line 25: / Line 25: @@
 X-DDOS supports B drives on all CPCs with 80 tracks and 2 sides. It's compatible to the 704 KB Vortex format of the Vortex drives. Additionally it provides the Dobbertin Data- and System format (about 0.7 MB).
-X-DDOS supports CP/M and CP/M Plus on 0.7 MB B-drives.
+X-DDOS supports CP/M and CP/M Plus on 0.7 MB B-drives and can boot from either disc drive.
 == Hard Disc HD 20 ==

← Older revision		Revision as of 19:54, 9 May 2018
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	* X-DDOS can be used as a rom 7 replacement.		* X-DDOS can be used as a rom 7 replacement.
		+	* X-DDOS can autoboot CPM if it's drive 0.
		+	* X-DDOS has a checksum check

	== RSX commands ==		== RSX commands ==

← Older revision		Revision as of 19:53, 9 May 2018
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	\|X,\|XDRIVE - swap logical A and B. Normally logical drive A accesses unit 0 and logical drive B accesses unit 1. Therefore using \|X:\|A will access unit 1 as logical drive A and unit 0 as logical drive B.		\|X,\|XDRIVE - swap logical A and B. Normally logical drive A accesses unit 0 and logical drive B accesses unit 1. Therefore using \|X:\|A will access unit 1 as logical drive A and unit 0 as logical drive B.
		+
		+	\|CPM or \|CPM,<drive> - Boot CPM from drive A, or chosen drive. A=0,B=1,D=3,E=4,F=5,G=6. Can boot from D,E,F,G if HD is detected. Can't boot from drive C.

	== Floppy Discs ==		== Floppy Discs ==

← Older revision		Revision as of 18:55, 9 May 2018
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−	X-DDOS is a floppy disc and hard disc operating system from the german company [[Dobbertin\|Dobbertin Industrie-Elektronik]]. It provides 0.7 MB floppy disc formats for B drives and allows to access the [[Dobbertin Harddisc]] HD20. X-DDOS is delivered as a 16 KB EPROM with a lot of software and a manual.	+	X-DDOS is a floppy disc and hard disc operating system from the german company [[Dobbertin\|Dobbertin Industrie-Elektronik]]. It was first released in 1988. It provides 0.7 MB floppy disc formats for B drives and allows to access the [[Dobbertin Harddisc]] HD20. X-DDOS is delivered as a 16 KB EPROM with a lot of software and a manual.

	X-DDOS has the ROM name 'XDDOS ROM' but shows a sign-on message of "X-DDOS 2.10 (C)1990 Dobbertin GmbH"		X-DDOS has the ROM name 'XDDOS ROM' but shows a sign-on message of "X-DDOS 2.10 (C)1990 Dobbertin GmbH"