Transtape - Revision history

Phi2x: /* Technical */

2025-02-23T22:04:59Z

Technical

← Older revision		Revision as of 22:04, 23 February 2025
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	* Uses a 16KB ROM paged into memory at &0000.		* Uses a 16KB ROM paged into memory at &0000.
	* Uses a 8KB static RAM paged into memory at &c000-&dfff and repeats again at &e000-&ffff.		* Uses a 8KB static RAM paged into memory at &c000-&dfff and repeats again at &e000-&ffff.
	* ROM is paged into the range &0000-&3fff when the red button is pressed (this causes an NMI).		* ROM is paged into the range &0000-&3fff when the red button is pressed (this causes an [[NMI]]).
	* When the black button is pressed the ROM is paged into the range &0000-&3fff and executes it at &0000. (this is a reset)		* When the black button is pressed the ROM is paged into the range &0000-&3fff and executes it at &0000. (this is a reset)
	This checks the BASIC ROM version, and clears the extra ram if a BASIC ROM from a CPC6128 is found.		This checks the BASIC ROM version, and clears the extra ram if a BASIC ROM from a CPC6128 is found.

Cpcmaniaco: /* Technical */

2020-09-18T09:01:40Z

Technical

← Older revision		Revision as of 09:01, 18 September 2020
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	* The same plastic case is used by the Spectrum version of this interface.		* The same plastic case is used by the Spectrum version of this interface.
	* The spectrum version has two switches on the top. One of which chooses load/save. In the Amstrad these holes are filled with plastic caps.		* The spectrum version has two switches on the top. One of which chooses load/save. In the Amstrad these holes are filled with plastic caps.

			Now, thanks to Jose Leandro, the hardware specialist of the spectrum, with his famous page :

			http://trastero.speccy.org/cosas/JL/JL.htm

			We can know more about this hardware.

	== Pictures ==		== Pictures ==

Cpcmaniaco: /* Pictures */

2020-09-18T09:00:13Z

Pictures

← Older revision		Revision as of 09:00, 18 September 2020
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	Image:Transtape_PCB_Top.jpg\|PCB Top		Image:Transtape_PCB_Top.jpg\|PCB Top
	Image:Transtape_PCB_Bottom.jpg\|PCB Bottom		Image:Transtape_PCB_Bottom.jpg\|PCB Bottom
			Image:Transtape - pantalla1.jpg\|Screen 1
			Image:Transtape - pantalla2.jpg\|Screen 2

	</gallery>		</gallery>

Cpcmaniaco: /* Pictures */

2020-09-18T08:55:06Z

Pictures

← Older revision		Revision as of 08:55, 18 September 2020
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	<gallery caption="Transtape Layout, thanks to Jose Leandro">		<gallery caption="Transtape Layout, thanks to Jose Leandro">

			File:Transtape front box.jpg\|Transtape - Front Box
			File:Transtape back box.jpg\|Transtape - Back Box
			File:Transtape up box.jpg\|Transtape - Up Box
			File:transtape box open.jpg\|Transtape - Box Open
			File:Transtape PCB Components.jpg\|Transtape - Components
			File:Transtape PCB Tracks.jpg\|Transtape - Tracks
	File:Transtape-PCB Front.png\|Transtape - PCB Front		File:Transtape-PCB Front.png\|Transtape - PCB Front
	File:Transtepe-PCB Back.png\|Transtape - PCB Back		File:Transtepe-PCB Back.png\|Transtape - PCB Back

Cpcmaniaco: /* Manual */

2020-09-18T08:40:59Z

Manual

← Older revision		Revision as of 08:40, 18 September 2020
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	== Manual ==		== Manual ==

	* [[Media:Transtape Manual.pdf\|Transtape (Micro ~~Hard~~) Manual]] {{ES}} {{PDF}}		* [[Media:Transtape Manual.pdf\|Transtape (Hard Micro) Manual]] {{ES}} {{PDF}}

	== Downloads ==		== Downloads ==

Cpcmaniaco: /* Downloads */

2020-09-18T08:40:19Z

Downloads

← Older revision		Revision as of 08:40, 18 September 2020
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	== Downloads ==		== Downloads ==

	* [[Media:Transtape-ROM.zip\|Transtape-ROM.zip]] (Transtape ROM)		* [[Media:Transtape-ROM.zip\|Transtape (ROM).zip]] (Transtape ROM)
	* [[Media:Amstrad-Transtape (eagle).zip\|Transtape (~~eagle~~).zip]] (Transtape files for Eagle)		* [[Media:Amstrad-Transtape (eagle).zip\|Transtape (Eagle).zip]] (Transtape files for Eagle)

	== Weblinks ==		== Weblinks ==

Cpcmaniaco: /* Weblinks */

2020-09-18T08:38:46Z

Weblinks

← Older revision		Revision as of 08:38, 18 September 2020
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	== Weblinks ==		== Weblinks ==

			* [http://www.cpc-power.com/index.php?page=detail&num=9321 ''Transtape'' from CPC-Power]
	* [http://cpcrulez.fr/hardware-interface_debug-transtape_ASO.htm ''Transtape'' from CPCrulez]		* [http://cpcrulez.fr/hardware-interface_debug-transtape_ASO.htm ''Transtape'' from CPCrulez]

	* [http://hardware.speccy.org/temp/Amstrad-transtape.html ''Transtape'' from hardware.speccy.org]		* [http://hardware.speccy.org/temp/Amstrad-transtape.html ''Transtape'' from hardware.speccy.org]

	[[Category:Copy Protection]] [[Category:Peripherals]] [[Category:Manual]]		[[Category:Copy Protection]] [[Category:Peripherals]] [[Category:Manual]]

Cpcmaniaco: /* Weblinks */

2020-09-18T08:36:27Z

Weblinks

← Older revision		Revision as of 08:36, 18 September 2020
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	== Weblinks ==		== Weblinks ==

	* http://cpcrulez.fr/hardware-interface_debug-transtape_ASO.htm		* [http://cpcrulez.fr/hardware-interface_debug-transtape_ASO.htm ''Transtape'' from CPCrulez]

	* [http://hardware.speccy.org/temp/Amstrad-transtape.html ''Transtape'' from ~~CPCrulez~~]		* [http://hardware.speccy.org/temp/Amstrad-transtape.html ''Transtape'' from hardware.speccy.org]

	[[Category:Copy Protection]] [[Category:Peripherals]] [[Category:Manual]]		[[Category:Copy Protection]] [[Category:Peripherals]] [[Category:Manual]]

Cpcmaniaco: /* Links */

2020-09-18T08:35:12Z

Links

← Older revision		Revision as of 08:35, 18 September 2020
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	* [[Media:Amstrad-Transtape (eagle).zip\|Transtape (eagle).zip]] (Transtape files for Eagle)		* [[Media:Amstrad-Transtape (eagle).zip\|Transtape (eagle).zip]] (Transtape files for Eagle)

	== ~~Links~~ ==		== Weblinks ==

	* http://cpcrulez.fr/hardware-interface_debug-transtape_ASO.htm		* http://cpcrulez.fr/hardware-interface_debug-transtape_ASO.htm

	* http://hardware.speccy.org/temp/Amstrad-transtape.html		* [http://hardware.speccy.org/temp/Amstrad-transtape.html ''Transtape'' from CPCrulez]

	[[Category:Copy Protection]] [[Category:Peripherals]] [[Category:Manual]]		[[Category:Copy Protection]] [[Category:Peripherals]] [[Category:Manual]]

Arnoldemu: /* Technical */

2015-11-06T21:37:39Z

Technical

← Older revision		Revision as of 21:37, 6 November 2015
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	* Uses a 16KB ROM paged into memory at &0000.		* Uses a 16KB ROM paged into memory at &0000.
	* Uses a 8KB static RAM paged into memory at &c000-&dfff and repeats again at &e000-&ffff.		* Uses a 8KB static RAM paged into memory at &c000-&dfff and repeats again at &e000-&ffff.
	* ROM is paged into the range &0000-&3fff when the red button is pressed ~~and the~~ NMI ~~vector is executed~~.		* ROM is paged into the range &0000-&3fff when the red button is pressed (this causes an NMI).
	* When the black button is pressed, the ROM is paged into the range &0000-&3fff and executes it at &0000.		* When the black button is pressed the ROM is paged into the range &0000-&3fff and executes it at &0000. (this is a reset)
	* This checks the BASIC ROM version, and clears the extra ram if a BASIC ROM from a CPC6128 is found.		This checks the BASIC ROM version, and clears the extra ram if a BASIC ROM from a CPC6128 is found.

	~~Code:~~

	~~0000 f3 di ;; disable maskable interrupts~~
	~~0001 0100df ld bc,0df00h ;; select upper rom 0~~
	~~0004 ed49 out (c),c~~
	~~0006 01817f ld bc,7f81h ;; enable upper rom (mode 1 too)~~
	~~0009 ed49 out (c),c~~
	~~000b 31febf ld sp,0bffeh ;; setup stack which is not initialised after reset~~

	~~000e 3a02c0 ld a,(0c002h) ;; read BASIC ROM version number~~
	~~0011 fe02 cp 02h ;; CPC6128?~~
	~~0013 cc2e0c call z,0c2eh ;; erase extra RAM~~

	~~;; this appears to set it up for a reset..~~
	~~0016 210000 ld hl,0000h~~
	~~0019 e5 push hl~~
	~~001a e5 push hl~~
	~~001b c30038 jp 3800h ;; I think the hardware monitors for address 3800h and if found disables the ROM~~

	* Uses NMI		* Uses NMI
	* Doesn't capture the hardware state like the Multiface does. Code in the ROM reads the hardware state which it restores when resuming the program.		* Only captures upper/lower ROM enabled state and nothing else. Doesn't capture the hardware state like the Multiface does. Code in the ROM reads the hardware state which it restores when resuming the program.
	* RAMDIS is asserted when ROM or RAM are active meaning no write through to ram behind.		* RAMDIS is asserted when ROM or RAM are active meaning no write through to ram behind. This also means that c000-ffff reads unmapped ram when ram is not actually enabled.
	* Menu code is at offset &3810 and is copied into RAM at &A200.		* Menu code is at offset &3810 and is copied into RAM at &A200.
			* ram is disabled when the transtape returns to the program and can only be enabled using i/o port.
	* Uses port FBF0 (write only)		* Uses port FBF0 (write only)
	FBF0 decoding is:		FBF0 decoding is:

← Older revision		Revision as of 08:55, 18 September 2020
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	<gallery caption="Transtape Layout, thanks to Jose Leandro">		<gallery caption="Transtape Layout, thanks to Jose Leandro">

			File:Transtape front box.jpg\|Transtape - Front Box
			File:Transtape back box.jpg\|Transtape - Back Box
			File:Transtape up box.jpg\|Transtape - Up Box
			File:transtape box open.jpg\|Transtape - Box Open
			File:Transtape PCB Components.jpg\|Transtape - Components
			File:Transtape PCB Tracks.jpg\|Transtape - Tracks
	File:Transtape-PCB Front.png\|Transtape - PCB Front		File:Transtape-PCB Front.png\|Transtape - PCB Front
	File:Transtepe-PCB Back.png\|Transtape - PCB Back		File:Transtepe-PCB Back.png\|Transtape - PCB Back