Kempston Joystick 2, Joystick I/O - Revision history

Ped7g at 11:15, 4 May 2020

2020-05-04T11:15:12Z

← Older revision		Revision as of 12:15, 4 May 2020
Line 1:		Line 1:
	{{Port		{{Port
	\|Number=$xx37		\|Number=$xx37
			\|NumberDec=55
	\|ShortDesc=Kempston interface second joystick variant and controls joystick I/O.		\|ShortDesc=Kempston interface second joystick variant and controls joystick I/O.
	\|Readable=Yes		\|Readable=Yes

Ped7g: core 3.1.5 changes/refresh

2020-04-27T07:26:33Z

core 3.1.5 changes/refresh

← Older revision		Revision as of 08:26, 27 April 2020
Line 21:		Line 21:
	\|-		\|-
	\| 4 \|\| 0 to read "input" part of I/O from left joystick socket, 1 to read from right joystick socket		\| 4 \|\| 0 to read "input" part of I/O from left joystick socket, 1 to read from right joystick socket
			The program can still change the active joystick via bit 4 of port 0x37 at any time but for uart mode this should be done during a quiet time in communication. Any output always appears on pin 7 of both joystick connectors.
	\|-		\|-
	\| 3-1 \|\| Reserved must be 0		\| 3-1 \|\| Reserved must be 0

Ped7g: core 3.1.5 changes/refresh

2020-04-27T07:23:09Z

core 3.1.5 changes/refresh

← Older revision		Revision as of 08:23, 27 April 2020
Line 8:		Line 8:
	For READ functionality the details are identical with {{PortNo\|$xx1F}}		For READ functionality the details are identical with {{PortNo\|$xx1F}}

	Since core3~~.1.4 (but needs fixing, so 3~~.1.5 ~~probably)~~ there is option to do I/O operations through joystick ports.		Since core3.1.5 there is option to do I/O operations through joystick ports.

	The I/O mode should be set by writing this port first followed by enabling I/O mode on the joysticks with a write to {{NextRegNo\|$05}}.		The I/O mode should be set by writing this port first followed by enabling I/O mode on the joysticks with a write to {{NextRegNo\|$05}}.
Line 18:		Line 18:
	\| 7-6 \|\| select I/O mode: %00 = bit bang, %01 = clock, %10 = uart		\| 7-6 \|\| select I/O mode: %00 = bit bang, %01 = clock, %10 = uart
	\|-		\|-
	\| 5-1 \|\| Reserved must be 0		\| 5 \|\| Reserved must be 0
			\|-
			\| 4 \|\| 0 to read "input" part of I/O from left joystick socket, 1 to read from right joystick socket
			\|-
			\| 3-1 \|\| Reserved must be 0
	\|-		\|-
	\| 0 \|\| parameter bit controls state of pin 7 on both joystick connectors:		\| 0 \|\| parameter bit controls state of pin 7 on both joystick connectors:

Ped7g: core 3.1.4 changes/refresh

2020-04-15T10:19:45Z

core 3.1.4 changes/refresh

@@ Line 1: / Line 1: @@
 {{Port
 |Number=$xx37
-|ShortDesc=Reads movement of joystick using Kempston interface (second joystick variant).
+|ShortDesc=Kempston interface second joystick variant and controls joystick I/O.
 |Readable=Yes
-|Writable=No
+|Writable=Yes
 |Subsystem=Input
 }}

Ped7g: Ped7g moved page Kempston Joystick 2 to Kempston Joystick 2, Joystick I/O: core3.1.4 adds I/O mode on joystick ports

2020-04-15T09:52:01Z

Ped7g moved page Kempston Joystick 2 to Kempston Joystick 2, Joystick I/O: core3.1.4 adds I/O mode on joystick ports

← Older revision	Revision as of 10:52, 15 April 2020
(No difference)

Xalior at 23:01, 19 April 2019

2019-04-19T23:01:34Z

← Older revision		Revision as of 00:01, 20 April 2019
Line 2:		Line 2:
	\|Number=$xx37		\|Number=$xx37
	\|ShortDesc=Reads movement of joystick using Kempston interface (second joystick variant).		\|ShortDesc=Reads movement of joystick using Kempston interface (second joystick variant).
	~~\|PortMask=%---- ---- 0011 0111~~
	\|Readable=Yes		\|Readable=Yes
	\|Writable=No		\|Writable=No
	\|Subsystem=Input		\|Subsystem=Input
			\|PortMask=%---- ---- 0011 0111
	}}		}}

Specnext: 2 revisions imported

2019-04-14T10:00:15Z

2 revisions imported

← Older revision	Revision as of 11:00, 14 April 2019
(No difference)

wiki>Ped7g at 20:10, 20 December 2018

2018-12-20T20:10:10Z

← Older revision		Revision as of 21:10, 20 December 2018
Line 2:		Line 2:
	\|Number=$xx37		\|Number=$xx37
	\|ShortDesc=Reads movement of joystick using Kempston interface (second joystick variant).		\|ShortDesc=Reads movement of joystick using Kempston interface (second joystick variant).
			\|PortMask=%---- ---- 0011 0111
	\|Readable=Yes		\|Readable=Yes
	\|Writable=No		\|Writable=No
	\|Subsystem=Input		\|Subsystem=Input
	}}		}}

wiki>Ped7g: Created page with "{{Port |Number=$xx37 |ShortDesc=Reads movement of joystick using Kempston interface (second joystick variant). |Readable=Yes |Writable=No |Subsystem=Input }}"

2018-12-20T20:09:29Z

Created page with "{{Port |Number=$xx37 |ShortDesc=Reads movement of joystick using Kempston interface (second joystick variant). |Readable=Yes |Writable=No |Subsystem=Input }}"

New page

{{Port
|Number=$xx37
|ShortDesc=Reads movement of joystick using Kempston interface (second joystick variant).
|Readable=Yes
|Writable=No
|Subsystem=Input
}}