Kempston Mouse - Revision history

Phi2x at 17:52, 30 June 2024

2024-06-30T17:52:47Z

← Older revision		Revision as of 17:52, 30 June 2024
Line 1:		Line 1:
	This mouse is supported by [[The OCP Art Studio]], [[The Advanced OCP Art Studio]] and [[Carrier Command]].		This mouse is supported by [[The OCP Art Studio]], [[The Advanced OCP Art Studio]] and [[Carrier Command]].

	It is emulated in [[Arnold (Emulator)\|Arnold]] and [~~http://ace.cpcscene.net/en:downloads~~ ACE].		It is emulated in [[Arnold (Emulator)\|Arnold]], [[ACE_(Emulator)\|ACE]] and [[ACE-DL]].

	== Pictures ==		== Pictures ==
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	# now we translate position from the virtual screen to the current CPC screen mode		# now we translate position from the virtual screen to the current CPC screen mode
	mouseX = virtualX if graphicsMode == 2 else (virtualX >> 1 if graphicsMode == 1 else virtualX >> 2)		mouseX = virtualX if graphicsMode == 2 else (virtualX >> 1 if graphicsMode == 1 else virtualX >> 2)
	mouseY = virtualY >> 1 ~~# virtualY/2~~		mouseY = virtualY >> 1

	== Manual ==		== Manual ==

Phi2x: /* Get mouse position on screen */

2024-01-14T21:10:52Z

Get mouse position on screen

← Older revision		Revision as of 21:10, 14 January 2024
Line 118:		Line 118:
	refreshMouse()		refreshMouse()

	~~# refreshMouse has to be called before you redraw the mouse pointer (and ideally on every frame)~~
	def refreshMouse():		def refreshMouse():
	# get raw mouse values		# get raw mouse values

Phi2x at 21:50, 17 August 2023

2023-08-17T21:50:59Z

← Older revision		Revision as of 21:50, 17 August 2023
Line 1:		Line 1:
	This mouse is supported by [[The OCP Art Studio]], [[The Advanced OCP Art Studio]] and [[Carrier Command]].		This mouse is supported by [[The OCP Art Studio]], [[The Advanced OCP Art Studio]] and [[Carrier Command]].

	It is emulated in [http://ace.cpcscene.net/en:downloads ACE].		It is emulated in [[Arnold (Emulator)\|Arnold]] and [http://ace.cpcscene.net/en:downloads ACE].

	== Pictures ==		== Pictures ==

Phi2x: Undo revision 111782 by Phi2x (talk)

2023-08-10T14:08:26Z

Undo revision 111782 by Phi2x (talk)

← Older revision		Revision as of 14:08, 10 August 2023
Line 138:		Line 138:
	elif virtualY > maxY: virtualY = maxY		elif virtualY > maxY: virtualY = maxY
	# now we translate position from the virtual screen to the current CPC screen mode		# now we translate position from the virtual screen to the current CPC screen mode
	mouseX = virtualX if graphicsMode == 2 else (virtualX >> 2 if graphicsMode == 0 else virtualX >> 1)		mouseX = virtualX if graphicsMode == 2 else (virtualX >> 1 if graphicsMode == 1 else virtualX >> 2)
	mouseY = virtualY >> 1 # virtualY/2		mouseY = virtualY >> 1 # virtualY/2

Phi2x: /* Get mouse position on screen */

2023-08-10T14:06:45Z

Get mouse position on screen

← Older revision		Revision as of 14:06, 10 August 2023
Line 138:		Line 138:
	elif virtualY > maxY: virtualY = maxY		elif virtualY > maxY: virtualY = maxY
	# now we translate position from the virtual screen to the current CPC screen mode		# now we translate position from the virtual screen to the current CPC screen mode
	mouseX = virtualX if graphicsMode == 2 else (virtualX >> 1 if graphicsMode == 1 else virtualX >> 2)		mouseX = virtualX if graphicsMode == 2 else (virtualX >> 2 if graphicsMode == 0 else virtualX >> 1)
	mouseY = virtualY >> 1 # virtualY/2		mouseY = virtualY >> 1 # virtualY/2

Phi2x: /* Get mouse position on screen */

2023-08-10T13:57:11Z

Get mouse position on screen

← Older revision		Revision as of 13:57, 10 August 2023
Line 138:		Line 138:
	elif virtualY > maxY: virtualY = maxY		elif virtualY > maxY: virtualY = maxY
	# now we translate position from the virtual screen to the current CPC screen mode		# now we translate position from the virtual screen to the current CPC screen mode
			mouseX = virtualX if graphicsMode == 2 else (virtualX >> 1 if graphicsMode == 1 else virtualX >> 2)
	mouseY = virtualY >> 1 # virtualY/2		mouseY = virtualY >> 1 # virtualY/2
	~~if graphicsMode == 2: mouseX = virtualX~~
	~~elif graphicsMode == 1: mouseX = virtualX >> 1 # virtualX/2~~
	~~elif graphicsMode == 0: mouseX = virtualX >> 2 # virtualX/4~~

	== Manual ==		== Manual ==

Phi2x: Undo revision 111767 by Phi2x (talk) snake case is too ugly

2023-08-10T07:57:26Z

Undo revision 111767 by Phi2x (talk) snake case is too ugly

← Older revision		Revision as of 07:57, 10 August 2023
Line 105:		Line 105:

	Here is the algorithm in pseudo-code:		Here is the algorithm in pseudo-code:
	# ~~init_mouse~~ initializes variables and centers the mouse pointer on screen		# initMouse initializes variables and centers the mouse pointer on screen
	def ~~init_mouse~~():		def initMouse():
	~~max_x~~ = 639		maxX = 639
	~~max_y~~ = 399		maxY = 399
	# centering the mouse pointer on the screen		# centering the mouse pointer on the screen
	~~virtual_x~~ = ~~max_x~~ >> 1 # ~~max_x~~/2		virtualX = maxX >> 1 # maxX/2
	~~virtual_y~~ = ~~max_y~~ >> 1 # ~~max_y~~/2		virtualY = maxY >> 1 # maxY/2
	# store raw mouse values		# store raw mouse values
	~~old_x~~ = inp(&FBEE)		oldX = inp(&FBEE)
	~~old_y~~ = inp(&FBEF)		oldY = inp(&FBEF)
	# get mouse pointer position		# get mouse pointer position
	~~refresh_mouse~~()		refreshMouse()

	# ~~refresh_mouse~~ has to be called before you redraw the mouse pointer (and ideally on every frame)		# refreshMouse has to be called before you redraw the mouse pointer (and ideally on every frame)
	def ~~refresh_mouse~~():		def refreshMouse():
	# get raw mouse values		# get raw mouse values
	~~raw_x~~ = inp(&FBEE)		rawX = inp(&FBEE)
	~~raw_y~~ = inp(&FBEF)		rawY = inp(&FBEF)
	# get the relative mouse displacement since last call		# get the relative mouse displacement since last call
	~~delta_x~~ = ~~raw_x~~ - ~~old_x~~		deltaX = rawX - oldX
	~~delta_y~~ = ~~raw_y~~ - ~~old_y~~		deltaY = rawY - oldY
	# store raw mouse values		# store raw mouse values
	~~old_x~~ = ~~raw_x~~		oldX = rawX
	~~old_y~~ = ~~raw_y~~		oldY = rawY
	# calculate new unclipped virtual position		# calculate new unclipped virtual position
	~~virtual_x~~ = ~~virtual_x~~ + ~~delta_x~~		virtualX = virtualX + deltaX
	~~virtual_y~~ = ~~virtual_y~~ - ~~delta_y~~ # Kempston mouse Y-axis is inverted compared to screen coordinates!		virtualY = virtualY - deltaY # Kempston mouse Y-axis is inverted compared to screen coordinates!
	# perform clipping		# perform clipping
	if ~~virtual_x~~ < 0: ~~virtual_x~~ = 0		if virtualX < 0: virtualX = 0
	elif ~~virtual_x~~ > ~~max_x~~: ~~virtual_x~~ = ~~max_x~~		elif virtualX > maxX: virtualX = maxX
	if ~~virtual_y~~ < 0: ~~virtual_y~~ = 0		if virtualY < 0: virtualY = 0
	elif ~~virtual_y~~ > ~~max_y~~: ~~virtual_y~~ = ~~max_y~~		elif virtualY > maxY: virtualY = maxY
	# now we translate position from the virtual screen to the current CPC screen mode		# now we translate position from the virtual screen to the current CPC screen mode
	~~mouse_y~~ = ~~virtual_y~~ >> 1 # ~~virtual_y~~/2		mouseY = virtualY >> 1 # virtualY/2
	if ~~graphics_mode~~ == 2: ~~mouse_x~~ = ~~virtual_x~~		if graphicsMode == 2: mouseX = virtualX
	elif ~~graphics_mode~~ == 1: ~~mouse_x~~ = ~~virtual_x~~ >> 1 # ~~virtual_x~~/2		elif graphicsMode == 1: mouseX = virtualX >> 1 # virtualX/2
	elif ~~graphics_mode~~ == 0: ~~mouse_x~~ = ~~virtual_x~~ >> 2 # ~~virtual_x~~/4		elif graphicsMode == 0: mouseX = virtualX >> 2 # virtualX/4

	== Manual ==		== Manual ==

Phi2x: /* Get mouse position on screen */

2023-08-10T07:50:49Z

Get mouse position on screen

← Older revision		Revision as of 07:50, 10 August 2023
Line 105:		Line 105:

	Here is the algorithm in pseudo-code:		Here is the algorithm in pseudo-code:
	# ~~initMouse~~ initializes variables and centers the mouse pointer on screen		# init_mouse initializes variables and centers the mouse pointer on screen
	def ~~initMouse~~():		def init_mouse():
	~~maxX~~ = 639		max_x = 639
	~~maxY~~ = 399		max_y = 399
	# centering the mouse pointer on the screen		# centering the mouse pointer on the screen
	~~virtualX~~ = ~~maxX~~ >> 1 # ~~maxX~~/2		virtual_x = max_x >> 1 # max_x/2
	~~virtualY~~ = ~~maxY~~ >> 1 # ~~maxY~~/2		virtual_y = max_y >> 1 # max_y/2
	# store raw mouse values		# store raw mouse values
	~~oldX~~ = inp(&FBEE)		old_x = inp(&FBEE)
	~~oldY~~ = inp(&FBEF)		old_y = inp(&FBEF)
	# get mouse pointer position		# get mouse pointer position
	~~refreshMouse~~()		refresh_mouse()

	# ~~refreshMouse~~ has to be called before you redraw the mouse pointer (and ideally on every frame)		# refresh_mouse has to be called before you redraw the mouse pointer (and ideally on every frame)
	def ~~refreshMouse~~():		def refresh_mouse():
	# get raw mouse values		# get raw mouse values
	~~rawX~~ = inp(&FBEE)		raw_x = inp(&FBEE)
	~~rawY~~ = inp(&FBEF)		raw_y = inp(&FBEF)
	# get the relative mouse displacement since last call		# get the relative mouse displacement since last call
	~~deltaX~~ = ~~rawX~~ - ~~oldX~~		delta_x = raw_x - old_x
	~~deltaY~~ = ~~rawY~~ - ~~oldY~~		delta_y = raw_y - old_y
	# store raw mouse values		# store raw mouse values
	~~oldX~~ = ~~rawX~~		old_x = raw_x
	~~oldY~~ = ~~rawY~~		old_y = raw_y
	# calculate new unclipped virtual position		# calculate new unclipped virtual position
	~~virtualX~~ = ~~virtualX~~ + ~~deltaX~~		virtual_x = virtual_x + delta_x
	~~virtualY~~ = ~~virtualY~~ - ~~deltaY~~ # Kempston mouse Y-axis is inverted compared to screen coordinates!		virtual_y = virtual_y - delta_y # Kempston mouse Y-axis is inverted compared to screen coordinates!
	# perform clipping		# perform clipping
	if ~~virtualX~~ < 0: ~~virtualX~~ = 0		if virtual_x < 0: virtual_x = 0
	elif ~~virtualX~~ > ~~maxX~~: ~~virtualX~~ = ~~maxX~~		elif virtual_x > max_x: virtual_x = max_x
	if ~~virtualY~~ < 0: ~~virtualY~~ = 0		if virtual_y < 0: virtual_y = 0
	elif ~~virtualY~~ > ~~maxY~~: ~~virtualY~~ = ~~maxY~~		elif virtual_y > max_y: virtual_y = max_y
	# now we translate position from the virtual screen to the current CPC screen mode		# now we translate position from the virtual screen to the current CPC screen mode
	~~mouseY~~ = ~~virtualY~~ >> 1 # ~~virtualY~~/2		mouse_y = virtual_y >> 1 # virtual_y/2
	if ~~graphicsMode~~ == 2: ~~mouseX~~ = ~~virtualX~~		if graphics_mode == 2: mouse_x = virtual_x
	elif ~~graphicsMode~~ == 1: ~~mouseX~~ = ~~virtualX~~ >> 1 # ~~virtualX~~/2		elif graphics_mode == 1: mouse_x = virtual_x >> 1 # virtual_x/2
	elif ~~graphicsMode~~ == 0: ~~mouseX~~ = ~~virtualX~~ >> 2 # ~~virtualX~~/4		elif graphics_mode == 0: mouse_x = virtual_x >> 2 # virtual_x/4

	== Manual ==		== Manual ==

Phi2x: /* Get mouse position on screen */

2023-08-10T07:41:19Z

Get mouse position on screen

← Older revision		Revision as of 07:41, 10 August 2023
Line 117:		Line 117:
	# get mouse pointer position		# get mouse pointer position
	refreshMouse()		refreshMouse()


	# refreshMouse has to be called before you redraw the mouse pointer (and ideally on every frame)		# refreshMouse has to be called before you redraw the mouse pointer (and ideally on every frame)

Phi2x: /* Get mouse position on screen */

2023-08-10T07:32:33Z

Get mouse position on screen

← Older revision		Revision as of 07:32, 10 August 2023
Line 110:		Line 110:
	maxY = 399		maxY = 399
	# centering the mouse pointer on the screen		# centering the mouse pointer on the screen
	virtualX = maxX >> 1 # ~~virtualX =~~ maxX/2		virtualX = maxX >> 1 # maxX/2
	virtualY = maxY >> 1 # ~~virtualY =~~ maxY/2		virtualY = maxY >> 1 # maxY/2
	# store raw mouse values		# store raw mouse values
	oldX = inp(&FBEE)		oldX = inp(&FBEE)
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	elif virtualY > maxY: virtualY = maxY		elif virtualY > maxY: virtualY = maxY
	# now we translate position from the virtual screen to the current CPC screen mode		# now we translate position from the virtual screen to the current CPC screen mode
	mouseY = virtualY >> 1 # ~~mouseY =~~ virtualY/2		mouseY = virtualY >> 1 # virtualY/2
	if graphicsMode == 2: mouseX = virtualX		if graphicsMode == 2: mouseX = virtualX
	elif graphicsMode == 1: mouseX = virtualX >> 1 # ~~mouseX =~~ virtualX/2		elif graphicsMode == 1: mouseX = virtualX >> 1 # virtualX/2
	elif graphicsMode == 0: mouseX = virtualX >> 2 # ~~mouseX =~~ virtualX/4		elif graphicsMode == 0: mouseX = virtualX >> 2 # virtualX/4

	== Manual ==		== Manual ==