VT52 - Revision history

Jnc: /* External links */ +VT55-E,F,H,J DECgraphic Scope Users' Manual

2026-10-07T12:18:54Z

External links: +VT55-E,F,H,J DECgraphic Scope Users' Manual

← Older revision		Revision as of 12:18, 7 October 2026
Line 98:		Line 98:
	** [http://www.bitsavers.org/pdf/dec/terminal/vt52/MP00035_VT52schem.pdf VT52 Field Maintenance Print Set] (MP00035)		** [http://www.bitsavers.org/pdf/dec/terminal/vt52/MP00035_VT52schem.pdf VT52 Field Maintenance Print Set] (MP00035)
	* [https://vt100.net/dec/ek-vt502-pg-001.pdf VT50/VT52 Pocket Service Guide] (EK-VT502-PG-001)		* [https://vt100.net/dec/ek-vt502-pg-001.pdf VT50/VT52 Pocket Service Guide] (EK-VT502-PG-001)
			* [https://vt100.net/dec/ek-vt55e-tm-001.pdf VT55-E,F,H,J DECgraphic Scope Users' Manual] (EK-VT55E-TM-001)
	* [https://github.com/larsbrinkhoff/vt52-simulator/tree/master/rom Microcode ROM images]		* [https://github.com/larsbrinkhoff/vt52-simulator/tree/master/rom Microcode ROM images]
	* [https://github.com/fritzm/vt52/tree/master/data Character generator ROM image]		* [https://github.com/fritzm/vt52/tree/master/data Character generator ROM image]

Jnc: Separate VT50

2026-10-07T10:49:31Z

Separate VT50

← Older revision		Revision as of 10:49, 7 October 2026
Line 3:		Line 3:
	[[Image:vt52.jpg\|thumb\|right\|VT52 terminal]]		[[Image:vt52.jpg\|thumb\|right\|VT52 terminal]]

	It used a custom processor built from [[transistor-transistor logic\|TTL]] parts to execute 1024 words of 8-bit wide [[microcode]]. The [[data path]] was 7 bits wide, as was the 2048-word [[Random Access Memory\|RAM]]. The predecessor VT50 was almost identical, except there was only 512 words of microcode, 1024 words of RAM, the CRT display 12 lines, and text was upper case only.		It used a custom processor built from [[transistor-transistor logic\|TTL]] parts to execute 1024 words of 8-bit wide [[microcode]]. The [[data path]] was 7 bits wide, as was the 2048-word [[Random Access Memory\|RAM]].

			The predecessor '''VT50''' was almost identical, except there was only 512 words of microcode, 1024 words of RAM, the CRT display 12 lines, and text was upper case only.

	A VT52-compatible terminal emulator was used in the [[Atari]] [[Atari TOS\|TOS]] [[operating system]].		A VT52-compatible terminal emulator was used in the [[Atari]] [[Atari TOS\|TOS]] [[operating system]].

Jnc: /* External links */ +VT50/VT52 Pocket Service Guide

2026-10-07T10:48:19Z

External links: +VT50/VT52 Pocket Service Guide

← Older revision		Revision as of 10:48, 7 October 2026
Line 1:		Line 1:
	The '''VT52''' was a very popular [[video terminal]] by [[Digital Equipment Corporation\|DEC]], introduced 1975. The [[cathode ray tube\|CRT]] ~~displays~~ 24 lines of 80 characters in both upper and lower case.		The '''VT52''' was a very popular [[video terminal]] by [[Digital Equipment Corporation\|DEC]], introduced in 1975. The [[cathode ray tube\|CRT]] displayed 24 lines of 80 characters in both upper and lower case.

	[[Image:vt52.jpg\|thumb\|right\|VT52 terminal]]		[[Image:vt52.jpg\|thumb\|right\|VT52 terminal]]

	It ~~uses~~ a custom processor built from [[transistor-transistor logic\|TTL]] parts to execute 1024 words of 8-bit wide [[microcode]]. The [[data path]] is 7 bits wide, as is the 2048-word [[Random Access Memory\|RAM]]. The predecessor VT50 is almost identical, except there is only 512 words of microcode, 1024 words of RAM, the CRT display 12 lines, and text is upper case only.		It used a custom processor built from [[transistor-transistor logic\|TTL]] parts to execute 1024 words of 8-bit wide [[microcode]]. The [[data path]] was 7 bits wide, as was the 2048-word [[Random Access Memory\|RAM]]. The predecessor VT50 was almost identical, except there was only 512 words of microcode, 1024 words of RAM, the CRT display 12 lines, and text was upper case only.

	A VT52-compatible terminal emulator was used in the [[Atari]] [[Atari TOS\|TOS]] [[operating system]].		A VT52-compatible terminal emulator was used in the [[Atari]] [[Atari TOS\|TOS]] [[operating system]].

	~~{{semi-stub}}~~

	==Escape sequences==		==Escape sequences==
Line 88:		Line 86:
	\| Disable Line Wrap \|\| ESC w \|\|		\| Disable Line Wrap \|\| ESC w \|\|
	\|}		\|}

			{{semi-stub}}

	==External links==		==External links==
Line 95:		Line 95:
	** [http://www.bitsavers.org/pdf/dec/terminal/vt52/EK-VT52-MM-002_maint_Jul78.pdf VT52 DECscope Maintenance Manual] (EK-VT52-MM-002)		** [http://www.bitsavers.org/pdf/dec/terminal/vt52/EK-VT52-MM-002_maint_Jul78.pdf VT52 DECscope Maintenance Manual] (EK-VT52-MM-002)
	** [http://www.bitsavers.org/pdf/dec/terminal/vt52/MP00035_VT52schem.pdf VT52 Field Maintenance Print Set] (MP00035)		** [http://www.bitsavers.org/pdf/dec/terminal/vt52/MP00035_VT52schem.pdf VT52 Field Maintenance Print Set] (MP00035)
			* [https://vt100.net/dec/ek-vt502-pg-001.pdf VT50/VT52 Pocket Service Guide] (EK-VT502-PG-001)
	* [https://github.com/larsbrinkhoff/vt52-simulator/tree/master/rom Microcode ROM images]		* [https://github.com/larsbrinkhoff/vt52-simulator/tree/master/rom Microcode ROM images]
	* [https://github.com/fritzm/vt52/tree/master/data Character generator ROM image]		* [https://github.com/fritzm/vt52/tree/master/data Character generator ROM image]

Jnc: /* External links */ +Bitsavers folder

2024-01-16T10:26:53Z

External links: +Bitsavers folder

← Older revision		Revision as of 10:26, 16 January 2024
Line 91:		Line 91:
	==External links==		==External links==

	* [http://www.bitsavers.org/pdf/dec/terminal/vt52/EK-VT5X-OP-001_DECscope_Users_Manual_Mar77.pdf DECscope Users' Manual] (EK-VT5X-OP-001)		* [http://www.bitsavers.org/pdf/dec/terminal/vt52/ VT52] - documentation at [[Bitsavers]]
	* [http://www.bitsavers.org/pdf/dec/terminal/vt52/EK-VT52-MM-002_maint_Jul78.pdf VT52 DECscope Maintenance Manual] (EK-VT52-MM-002)		** [http://www.bitsavers.org/pdf/dec/terminal/vt52/EK-VT5X-OP-001_DECscope_Users_Manual_Mar77.pdf DECscope Users' Manual] (EK-VT5X-OP-001)
	* [http://www.bitsavers.org/pdf/dec/terminal/vt52/MP00035_VT52schem.pdf VT52 Field Maintenance Print Set] (MP00035)		** [http://www.bitsavers.org/pdf/dec/terminal/vt52/EK-VT52-MM-002_maint_Jul78.pdf VT52 DECscope Maintenance Manual] (EK-VT52-MM-002)
			** [http://www.bitsavers.org/pdf/dec/terminal/vt52/MP00035_VT52schem.pdf VT52 Field Maintenance Print Set] (MP00035)
	* [https://github.com/larsbrinkhoff/vt52-simulator/tree/master/rom Microcode ROM images]		* [https://github.com/larsbrinkhoff/vt52-simulator/tree/master/rom Microcode ROM images]
	* [https://github.com/fritzm/vt52/tree/master/data Character generator ROM image]		* [https://github.com/fritzm/vt52/tree/master/data Character generator ROM image]

Larsbrinkhoff: /* Escape sequences */

2024-01-16T07:00:53Z

Escape sequences

← Older revision		Revision as of 07:00, 16 January 2024
Line 12:		Line 12:

	Due to its popularity, the VT52 escape sequences became a de facto standard for microcomputers for a while, before VT100 and ANSI took over.		Due to its popularity, the VT52 escape sequences became a de facto standard for microcomputers for a while, before VT100 and ANSI took over.

	~~This is the list of required hardware for SITS version 119:~~

	{\| class="wikitable"		{\| class="wikitable"

Larsbrinkhoff: Control codes and escape sequences.

2024-01-16T07:00:35Z

Control codes and escape sequences.

← Older revision		Revision as of 07:00, 16 January 2024
Line 8:		Line 8:

	{{semi-stub}}		{{semi-stub}}

			==Escape sequences==

			Due to its popularity, the VT52 escape sequences became a de facto standard for microcomputers for a while, before VT100 and ANSI took over.

			This is the list of required hardware for SITS version 119:

			{\| class="wikitable"
			! Name \|\| Sequence \|\| Description
			\|-
			\| Line Feed \|\| LF \|\| Move cursor down. On last line, scroll text up.
			\|-
			\| Cursor Down \|\| ESC B \|\| Move cursor down. On last line, do not scroll.
			\|-
			\| Reverse Line Feed \|\| ESC I \|\| Move cursor up. On first line, scroll text down.
			\|-
			\| Cursor Up \|\| ESC A \|\| Move cursor up. On first line, do not scroll.
			\|-
			\| Cursor Right \|\| ESC C \|\| Move cursor right. On last column, stay there.
			\|-
			\| Cursor Left \|\| ESC D, or BS \|\| Move cursor left. On first column, stay there.
			\|-
			\| Home \|\| ESC H \|\| Move cursor to top line, first column.
			\|-
			\| Carriage Return \|\| CR \|\| More cursor to first column.
			\|-
			\| \|\| TAB \|\| Move cursor to next tab stop.
			\|-
			\| Direct Cursor Addressing \|\| ESC Y <line> <column> \|\| Move cursor.
			\|-
			\| Erase to End of Line \|\| ESC K \|\| Erase from cursor position to end of line.
			\|-
			\| Erase to End of of Screen \|\| ESC J \|\| Erase from cursor position to end of screen.
			\|-
			\| Ring the Bell \|\| BEL \|\| Sound the buzzer
			\|-
			\| Identify Terminal Type \|\| ESC Z \|\| Respond e.g. "ESC K" for a plain VT52.
			\|-
			\| Enter Hold Screen Mode \|\| ESC [ \|\|
			\|-
			\| Exit Hold Screen Mode \|\| ESC \ \|\|
			\|-
			\| Enter Alternate Keypad Mode \|\| ESC = \|\|
			\|-
			\| Exit Alternate Keypad Mode \|\| ESC > \|\|
			\|-
			\| Enter Graphics Mode \|\| ESC F \|\|
			\|-
			\| Exit Graphics Mode \|\| ESC G \|\|
			\|-
			\| colspan="3" \| Extensions from Digital Research
			\|-
			\| Erase and Home \|\| ESC E \|\| Erase screen and move cursor to top line, first column.
			\|-
			\| Erase Current Line \|\| ESC l \|\|
			\|-
			\| Erase to Beginning of Line \|\| ESC o \|\|
			\|-
			\| Erase to Beginning of Screen \|\| ESC d \|\|
			\|-
			\| Insert Line \|\| ESC L \|\|
			\|-
			\| Save Cursor Position \|\| ESC j
			\|-
			\| Restore Cursor Position \|\| ESC k \|\|
			\|-
			\| Reverse Video \|\| ESC p \|\|
			\|-
			\| Normal Video \|\| ESC q \|\|
			\|-
			\| Set Foreground Color \|\| ESC b <color> \|\|
			\|-
			\| Set Background Color \|\| ESC c <color> \|\|
			\|-
			\| Enable Cursor \|\| ESC e \|\|
			\|-
			\| Disable Cursor \|\| ESC d \|\|
			\|-
			\| Enable Line Wrap \|\| ESC v \|\|
			\|-
			\| Disable Line Wrap \|\| ESC w \|\|
			\|}

	==External links==		==External links==

Jnc: New cat

2023-05-26T23:14:24Z

New cat

← Older revision		Revision as of 23:14, 26 May 2023
Line 20:		Line 20:
	{{Nav DEC Terminals}}		{{Nav DEC Terminals}}

	[[Category: DEC ~~Terminals]]~~		[[Category: DEC Video Terminals]]
	~~[[Category:~~ Video Terminals]]

Jnc: +links

2023-03-06T00:03:10Z

+links

← Older revision		Revision as of 00:03, 6 March 2023
Line 1:		Line 1:
	~~Very~~ popular video terminal by [[Digital Equipment Corporation\|DEC]], introduced 1975. The CRT displays 24 lines of 80 characters in both upper and lower case.		The '''VT52''' was a very popular [[video terminal]] by [[Digital Equipment Corporation\|DEC]], introduced 1975. The [[cathode ray tube\|CRT]] displays 24 lines of 80 characters in both upper and lower case.

	[[Image:vt52.jpg\|thumb\|right\|VT52 terminal]]		[[Image:vt52.jpg\|thumb\|right\|VT52 terminal]]

	It uses a custom processor built from [[TTL]] parts to execute 1024 words of 8-bit wide microcode. The data path is 7 bits wide, as is the 2048-word RAM. The predecessor VT50 is almost identical, except there is only 512 words of microcode, 1024 words of RAM, the CRT display 12 lines, and text is upper case only.		It uses a custom processor built from [[transistor-transistor logic\|TTL]] parts to execute 1024 words of 8-bit wide [[microcode]]. The [[data path]] is 7 bits wide, as is the 2048-word [[Random Access Memory\|RAM]]. The predecessor VT50 is almost identical, except there is only 512 words of microcode, 1024 words of RAM, the CRT display 12 lines, and text is upper case only.

	A VT52-compatible terminal emulator was used in the [[Atari]] [[Atari TOS\|TOS]] [[operating system]].		A VT52-compatible terminal emulator was used in the [[Atari]] [[Atari TOS\|TOS]] [[operating system]].

Jnc: /* External links */ +Manuals, FMPS

2023-02-26T02:08:36Z

External links: +Manuals, FMPS

← Older revision		Revision as of 02:08, 26 February 2023
Line 6:		Line 6:

	A VT52-compatible terminal emulator was used in the [[Atari]] [[Atari TOS\|TOS]] [[operating system]].		A VT52-compatible terminal emulator was used in the [[Atari]] [[Atari TOS\|TOS]] [[operating system]].

			{{semi-stub}}

	==External links==		==External links==

			* [http://www.bitsavers.org/pdf/dec/terminal/vt52/EK-VT5X-OP-001_DECscope_Users_Manual_Mar77.pdf DECscope Users' Manual] (EK-VT5X-OP-001)
			* [http://www.bitsavers.org/pdf/dec/terminal/vt52/EK-VT52-MM-002_maint_Jul78.pdf VT52 DECscope Maintenance Manual] (EK-VT52-MM-002)
			* [http://www.bitsavers.org/pdf/dec/terminal/vt52/MP00035_VT52schem.pdf VT52 Field Maintenance Print Set] (MP00035)
	* [https://github.com/larsbrinkhoff/vt52-simulator/tree/master/rom Microcode ROM images]		* [https://github.com/larsbrinkhoff/vt52-simulator/tree/master/rom Microcode ROM images]
	* [https://github.com/fritzm/vt52/tree/master/data Character generator ROM image]		* [https://github.com/fritzm/vt52/tree/master/data Character generator ROM image]
	* [https://github.com/larsbrinkhoff/terminal-simulator/tree/master/vt52 VT52 hardware simulation]		* [https://github.com/larsbrinkhoff/terminal-simulator/tree/master/vt52 VT52 hardware simulation]

	~~{{stub}}~~

	{{Nav DEC Terminals}}		{{Nav DEC Terminals}}

Vaxorcist: {{Nav DEC Terminals}} added

2022-08-17T12:57:21Z

{{Nav DEC Terminals}} added

← Older revision		Revision as of 12:57, 17 August 2022
Line 14:		Line 14:

	{{stub}}		{{stub}}

			{{Nav DEC Terminals}}

	[[Category: DEC Terminals]]		[[Category: DEC Terminals]]
	[[Category: Video Terminals]]		[[Category: Video Terminals]]

← Older revision		Revision as of 10:49, 7 October 2026
Line 3:		Line 3:
	[[Image:vt52.jpg\|thumb\|right\|VT52 terminal]]		[[Image:vt52.jpg\|thumb\|right\|VT52 terminal]]

	It used a custom processor built from [[transistor-transistor logic\|TTL]] parts to execute 1024 words of 8-bit wide [[microcode]]. The [[data path]] was 7 bits wide, as was the 2048-word [[Random Access Memory\|RAM]]. The predecessor VT50 was almost identical, except there was only 512 words of microcode, 1024 words of RAM, the CRT display 12 lines, and text was upper case only.		It used a custom processor built from [[transistor-transistor logic\|TTL]] parts to execute 1024 words of 8-bit wide [[microcode]]. The [[data path]] was 7 bits wide, as was the 2048-word [[Random Access Memory\|RAM]].

			The predecessor '''VT50''' was almost identical, except there was only 512 words of microcode, 1024 words of RAM, the CRT display 12 lines, and text was upper case only.

	A VT52-compatible terminal emulator was used in the [[Atari]] [[Atari TOS\|TOS]] [[operating system]].		A VT52-compatible terminal emulator was used in the [[Atari]] [[Atari TOS\|TOS]] [[operating system]].

← Older revision		Revision as of 00:03, 6 March 2023
Line 1:		Line 1:
	~~Very~~ popular video terminal by [[Digital Equipment Corporation\|DEC]], introduced 1975. The CRT displays 24 lines of 80 characters in both upper and lower case.		The '''VT52''' was a very popular [[video terminal]] by [[Digital Equipment Corporation\|DEC]], introduced 1975. The [[cathode ray tube\|CRT]] displays 24 lines of 80 characters in both upper and lower case.

	[[Image:vt52.jpg\|thumb\|right\|VT52 terminal]]		[[Image:vt52.jpg\|thumb\|right\|VT52 terminal]]

	It uses a custom processor built from [[TTL]] parts to execute 1024 words of 8-bit wide microcode. The data path is 7 bits wide, as is the 2048-word RAM. The predecessor VT50 is almost identical, except there is only 512 words of microcode, 1024 words of RAM, the CRT display 12 lines, and text is upper case only.		It uses a custom processor built from [[transistor-transistor logic\|TTL]] parts to execute 1024 words of 8-bit wide [[microcode]]. The [[data path]] is 7 bits wide, as is the 2048-word [[Random Access Memory\|RAM]]. The predecessor VT50 is almost identical, except there is only 512 words of microcode, 1024 words of RAM, the CRT display 12 lines, and text is upper case only.

	A VT52-compatible terminal emulator was used in the [[Atari]] [[Atari TOS\|TOS]] [[operating system]].		A VT52-compatible terminal emulator was used in the [[Atari]] [[Atari TOS\|TOS]] [[operating system]].