83Plus:Hooks:9B98 - Revision history

PT: /* Using the Hook */

2016-09-07T06:10:52Z

‎Using the Hook

2016-01-17T18:38:47Z

‎Comments

2015-05-22T16:20:16Z

‎Using the Hook

2015-05-22T15:00:49Z

‎Using the Hook

2006-07-21T12:50:53Z

‎Comments: Changed to EQS instead of CurrentEqu

2006-07-21T09:31:33Z

‎Comments

2005-04-21T18:38:22Z

‎Using the Hook: Clarified graph style callbacks

2005-03-30T04:23:39Z

2005-03-28T16:57:50Z

categorized

2005-03-28T10:06:25Z

@@ Line 21: / Line 21: @@
 * 2: Preparing to draw the graph style icon in front of y1..y0. If you want your own icon there, just use PutC and abort the drawing of the sign by the OS.
 ** Zero flag: Clear to abort the drawing of the icon.
 * 3: Preparing to draw plot1..3
 ** Zero flag: Clear to abort the drawing of the plot1..3 texts.

← Older revision		Revision as of 18:38, 17 January 2016
Line 44:		Line 44:

	The YEqu app updates the values at [[83Plus:RAM:980C\|EQS]] whenever it's displaying or updating a function. This can be used to change the hook and YEqu behaviour.		The YEqu app updates the values at [[83Plus:RAM:980C\|EQS]] whenever it's displaying or updating a function. This can be used to change the hook and YEqu behaviour.
		+
		+	A normal sequence of the subfunctions above triggered when the OS is displaying the Y= menu: 0, 3, [2, 8, (9 if non-empty equation), ] (sequence repeats for number of visible equations), 6,

@@ Line 29: / Line 29: @@
 *** c=0 Preparing to disable the function
 *** c=1 Preparing to enable the function
 ** Zero flag: Clear to abort the change
 * 6: A key has been pressed
@@ Line 38: / Line 37: @@
 * 8: Preparing to draw the = sign. If you want your own sign there, just use PutC and abort the drawing of the sign by the OS.
 ** Zero flag: Clear to abort the drawing of the = sign.
 * 9: Preparing to switch the cursor to another function

@@ Line 29: / Line 29: @@
 *** c=0 Preparing to disable the function
 *** c=1 Preparing to enable the function
 ** Zero flag: Clear to abort the change
 * 6: A key has been pressed

← Older revision		Revision as of 12:50, 21 July 2006
Line 42:		Line 42:
	The above information is based on research in func mode only.		The above information is based on research in func mode only.

−	The YEqu app updates the ~~value~~ [[83Plus:RAM:~~9813~~\|~~CurrentEqu~~]] whenever it's displaying or updating a function. This can be used to ~~only do certain actions when a specific function is being handled~~.	+	The YEqu app updates the values at [[83Plus:RAM:980C\|EQS]] whenever it's displaying or updating a function. This can be used to change the hook and YEqu behaviour.

← Older revision		Revision as of 09:31, 21 July 2006
Line 41:		Line 41:
	== Comments ==		== Comments ==
	The above information is based on research in func mode only.		The above information is based on research in func mode only.
		+
		+	The YEqu app updates the value [[83Plus:RAM:9813\|CurrentEqu]] whenever it's displaying or updating a function. This can be used to only do certain actions when a specific function is being handled.

@@ Line 18: / Line 18: @@
 These different values, passed in a, determines what the hook should do.
 * 0: The calculator is switching to the Y= app.
-* 1: The calculator is switching to the sign in front of y1..y0 from. This isn't called when moving up and down through these signs
+* 1: The cursor is moving left to the graph style icon. This isn't called when moving up and down through these icons.
-* 2: Preparing to draw the sign in front of y1..y0. If you want your own sign there, just use PutC and abort the drawing of the sign by the OS.
+* 2: Preparing to draw the graph style icon in front of y1..y0. If you want your own icon there, just use PutC and abort the drawing of the sign by the OS.
-** Zero flag: Clear to abort the drawing of the sign.
+** Zero flag: Clear to abort the drawing of the icon.
 * 3: Preparing to draw plot1..3
 ** Zero flag: Clear to abort the drawing of the plot1..3 texts.

@@ Line 1: / Line 1: @@
-[[Category:83Plus:Hooks:By_Name|Y= Hook]]
+[[Category:83Plus:Hooks:By_Name|Y= Hook]] [[Category:83Plus:Hooks:By_Address|9B98 - Y= Hook]]
 [[Category:83Plus:Hooks:By_Address|9B98 - Y= Hook]]
 == Synopsis ==
 '''Name:''' Y Equ Hook

← Older revision		Revision as of 16:57, 28 March 2005
Line 1:		Line 1:
		+	[[Category:83Plus:Hooks:By_Name\|Y= Hook]]
		+	[[Category:83Plus:Hooks:By_Address\|9B98 - Y= Hook]]
	== Synopsis ==		== Synopsis ==
	'''Name:''' Y Equ Hook		'''Name:''' Y Equ Hook

@@ Line 8: / Line 8: @@
 '''Hook Disable BCALL:''' [[83Plus:BCALLs:4FD2|4FD2]]
-'''Hook Call BCALL:''' [[83Plus:BCALLs:9012|9012]]
+'''Hook Call BCALL:''' ''(none known)''
-'''Hook Active Flag:''' 4, (iy + 35h)
+'''Hook Active Flag:''' [[83Plus:Flags:35#Bit_4|4, (iy + 35h)]]
 This hook allows you to change the way the Y Equ app functions.