Z-Machine - Revision history

Polluks: Category

2026-04-30T07:53:21Z

Jonathan: Mentioning Vezza here

2025-02-04T16:01:54Z

Mentioning Vezza here

Jonathan: Linking to CPCVM

2025-02-04T15:58:59Z

Linking to CPCVM

Polluks: /* Technical information */

2024-01-19T12:23:07Z

‎Technical information

Prevtenet: Slightly cleaned up Zym section

2022-02-22T19:28:14Z

Slightly cleaned up Zym section

Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /mnt/cpcwiki-httpdocs/includes/diff/DairikiDiff.php on line 434

SRS: SymbOS interpreter added (stub?)

2022-02-22T09:54:16Z

SymbOS interpreter added (stub?)

Arnoldemu: /* CPM version */

2019-12-16T15:39:52Z

‎CPM version

Arnoldemu: /* CPM version */

2019-12-16T15:39:03Z

‎CPM version

Arnoldemu: /* AMSDOS version */

2019-12-16T15:36:23Z

‎AMSDOS version

Arnoldemu: /* Running an adventure */

2019-12-16T15:36:12Z

‎Running an adventure

← Older revision		Revision as of 07:53, 30 April 2026
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	* [[File:Zvm.zip]] Source code (CPM+AMSDOS+Disks)		* [[File:Zvm.zip]] Source code (CPM+AMSDOS+Disks)
	* [http://www.symbos.de/appinfo.htm?00054 SymbOS homepage]		* [http://www.symbos.de/appinfo.htm?00054 SymbOS homepage]
		+
		+	[[Category:Emulator\| ]]

← Older revision		Revision as of 16:01, 4 February 2025
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	Zym is a Z-Machine interpreter for SymbOS, made by [[prevtenet]].		Zym is a Z-Machine interpreter for SymbOS, made by [[prevtenet]].

		+	[[Vezza]] is another Z-machine interpreter.

	=CPM version=		=CPM version=

@@ Line 7: / Line 7: @@
 * A version for SymbOS
-CPCZVM is a Z-Machine interpreter for the CPC. It is a modification of ZXZVM, an interpreter made by [[John Elliott]] for the PCW.  The Amstrad version was converted by [[Kevin Thacker]]. There are two versions, for CPM and AMSDOS.
+[[CPCZVM]] is a Z-Machine interpreter for the CPC. It is a modification of ZXZVM, an interpreter made by [[John Elliott]] for the PCW.  The Amstrad version was converted by [[Kevin Thacker]]. There are two versions, for CPM and AMSDOS.
 Zym is a Z-Machine interpreter for SymbOS, made by [[prevtenet]].

@@ Line 95: / Line 95: @@
 * The program detects the amount of additional RAM and will warn if there is not enough when loading the game file.
 * The program only supports Dk'Tronics compatible RAM.
-* The entire game file is loaded into extra ram using "CAS IN CHAR" functions. This is used because the extra memory is paged in 16KB at a time and CAS IN DIRECT reads in an entire block and the game files exceed the size of 16KB and do not require an AMSDOS header to be added.
+* The entire game file is loaded into extra ram using "CAS IN CHAR" functions. This is used because the extra memory is paged in 16KB at a time and [[BIOS_Function_Summary#Cassette_.28or_Diskette.29_Functions|CAS IN DIRECT]] reads in an entire block and the game files exceed the size of 16KB and do not require an AMSDOS header to be added.
 * The BASIC boot program allows a game filename to be passed to CPCZVM.BAS without requiring it to be modified. The use of CHAIN keeps the defined variables and HIMEM.
 * This version should run from [[X-MASS]] or other hardware.
 =SymbOS Version=

@@ Line 5: / Line 5: @@
 * A version for CPM
 * A version for AMSDOS
-CPCZVM is a Z-Machine interpreter for the CPC. It is a modification of ZXZVM, an interpreter made by [[John Elliott]] for the PCW.  The Amstrad version was converted by [[Kevin Thacker]]. There are two versions.
+CPCZVM is a Z-Machine interpreter for the CPC. It is a modification of ZXZVM, an interpreter made by [[John Elliott]] for the PCW.  The Amstrad version was converted by [[Kevin Thacker]]. There are two versions, for CPM and AMSDOS.
-* A version for SymbOs
+Zym is a Z-Machine interpreter for SymbOS, made by [[prevtenet]].
-Zym, a Z-machine interpreter for playing interactive fiction games (text adventures) on SymbOS, made by [[prevtenet]]
@@ Line 103: / Line 103: @@
 =SymbOS Version=
-* Zym, a Z-machine interpreter for playing interactive fiction games (text adventures) on SymbOS written in C.
+Zym is a Z-Machine interpreter for SymbOS written in C. It supports Z-machine versions 3, 4, 5, and 8, so it can run most of the games published by Infocom, as well as thousands of other Z-code games created by the interactive fiction community. Zym supports different terminal window sizes and also runs on ALL SymbOS platforms, not only CPC.
-* It supports Z-machine versions 3, 4, 5, and 8, so it can run most of the games published by Infocom, as well as thousands of other Z-code games created by the interactive fiction community.
-* It supports different terminal window sizes and also runs on ALL SymbOS platforms, not only CPC
+Zym requires SymbOS 3.1 or higher and at least 256 KB of RAM to load most games.
 https://i.imgur.com/W8AmmFE.png

@@ Line 1: / Line 1: @@
 The Z-Machine is a text based interpreter which runs text adventures made by Infocom and Z-code files.
-CPCZVM is a Z-Machine interpreter for the CPC. It is a modification of ZXZVM, an interpreter made by [[John Elliott]] for the PCW.  The Amstrad version was converted by [[Kevin Thacker]]. There are two versions.
+It is available for CPC for different OS.
 * A version for CPM
 * A version for AMSDOS
 =CPM version=
@@ Line 93: / Line 99: @@
 * This version should run from [[X-MASS]] or other hardware.
-==Downloads==
 * [https://www.seasip.info/ZX/zxzvm.html ZXZVM homepage]
 * [https://www.seasip.info/index.html John Elliott's website]
 * [[File:Zvm.zip]] Source code (CPM+AMSDOS+Disks)

@@ Line 10: / Line 10: @@
 CPCZVM for CPM features a virtual memory system supporting both the Z-machines RAM and ROM. It runs under CPM2.2 and CPM+. CPCZVM has been written to be as compatible with CPM as possible and should run on other CPMs for the Amstrad.
-CPCZVM will not run under Amstrad's CPM2.2 distribution because it doesn't have enough TPA. However you can use [[Dk'Tronics CPM]] which has a larger TPA.
+CPCZVM will not run under Amstrad's CPM2.2 distribution because it doesn't have enough TPA. However you can use [[DkTronics_CPM]] which has a larger TPA.
-−
-−
 ==Running an adventure==

← Older revision		Revision as of 15:39, 16 December 2019
Line 9:		Line 9:

	CPCZVM for CPM features a virtual memory system supporting both the Z-machines RAM and ROM. It runs under CPM2.2 and CPM+. CPCZVM has been written to be as compatible with CPM as possible and should run on other CPMs for the Amstrad.		CPCZVM for CPM features a virtual memory system supporting both the Z-machines RAM and ROM. It runs under CPM2.2 and CPM+. CPCZVM has been written to be as compatible with CPM as possible and should run on other CPMs for the Amstrad.
		+
		+	CPCZVM will not run under Amstrad's CPM2.2 distribution because it doesn't have enough TPA. However you can use [[Dk'Tronics CPM]] which has a larger TPA.
		+
		+

	==Running an adventure==		==Running an adventure==

@@ Line 45: / Line 45: @@
 * This version supports the v1.0 specification
 * It has been tested against oztest, czech, etude and strict tests.
 ==What is supported==

@@ Line 14: / Line 14: @@
 * Copy CPCZVM.COM, ZXZVM.BIN and the game file (e.g. ADVENT.Z3) to media which has at least 64KB free. All of these should  be in the same location.
 * Boot into CP/M.
-* Select the disc (e.g. |B)
+* Select the disc (e.g. B:)
 * Type: CPCZVM ADVENT.Z3 to start.