mirror of
https://github.com/cc65/cc65.git
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Added Koala Pad mouse drivers written by Stefan Haubenthal.
git-svn-id: svn://svn.cc65.org/cc65/trunk@3877 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz
parent
80fb3323b3
commit
2b098710d9
@ -235,8 +235,20 @@ missing on VDC and are translated to the two colors missing from VIC palette.
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<sect1>Mouse drivers<p>
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Currently no drivers available (in fact, the API for loadable mouse drivers
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does not exist).
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<descrip>
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<tag><tt/c128-1351.mou/</tag>
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Supports a standard mouse connected to port #0 of the C128.
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<tag><tt/c128-joy.mou/</tag>
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Supports a mouse emulated by a standard joystick e.g. 1350 mouse in port
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#1 of the C128.
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<tag><tt/c128-pot.mou/</tag>
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Supports a potentiometer device e.g. Koala Pad connected to port #1 of
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the C128.
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</descrip><p>
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<sect1>RS232 device drivers<p>
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@ -233,7 +233,12 @@ configuration.
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Supports a standard mouse connected to port #0 of the C64.
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<tag><tt/c64-joy.mou/</tag>
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Supports a mouse emulated by a standard joystick in port #0 of the C64.
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Supports a mouse emulated by a standard joystick e.g. 1350 mouse in port
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#1 of the C64.
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<tag><tt/c64-pot.mou/</tag>
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Supports a potentiometer device e.g. Koala Pad connected to port #1 of
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the C64.
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</descrip><p>
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@ -117,6 +117,7 @@ c64lib:
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cp c64/*.joy .
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cp c64/c64-1351.mou .
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cp c64/c64-joymouse.mou c64-joy.mou
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cp c64/c64-potmouse.mou c64-pot.mou
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cp c64/*.ser .
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cp c64/c64-320-200-2.tgi c64-hi.tgi
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@ -133,6 +134,7 @@ c128lib:
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cp c128/*.joy .
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cp c128/c128-1351.mou .
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cp c128/c128-joymouse.mou c128-joy.mou
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cp c128/c128-potmouse.mou c128-pot.mou
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cp c128/*.ser .
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cp c128/c128-640-200-2.tgi c128-vdc.tgi
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cp c128/c128-640-480-2.tgi c128-vdc2.tgi
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@ -74,7 +74,7 @@ EMDS = c128-georam.emd c128-ram.emd c128-ramcart.emd c128-reu.emd c128-vdc.emd
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JOYS = c128-ptvjoy.joy c128-stdjoy.joy
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MOUS = c128-1351.mou c128-joymouse.mou
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MOUS = c128-1351.mou c128-joymouse.mou c128-potmouse.mou
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SERS = c128-swlink.ser
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371
libsrc/c128/c128-potmouse.s
Normal file
371
libsrc/c128/c128-potmouse.s
Normal file
@ -0,0 +1,371 @@
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;
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; Driver for a potentiometer "mouse" e.g. Koala Pad
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;
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; Ullrich von Bassewitz, 2004-03-29
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; Stefan Haubenthal, 2006-08-20
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;
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.include "zeropage.inc"
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.include "mouse-kernel.inc"
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.include "c128.inc"
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.macpack generic
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; ------------------------------------------------------------------------
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; Header. Includes jump table
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.segment "JUMPTABLE"
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HEADER:
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; Driver signature
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.byte $6d, $6f, $75 ; "mou"
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.byte MOUSE_API_VERSION ; Mouse driver API version number
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; Jump table.
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.addr INSTALL
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.addr UNINSTALL
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.addr HIDE
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.addr SHOW
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.addr BOX
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.addr MOVE
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.addr BUTTONS
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.addr POS
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.addr INFO
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.addr IOCTL
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.addr IRQ
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; Callback table, set by the kernel before INSTALL is called
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CHIDE: jmp $0000 ; Hide the cursor
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CSHOW: jmp $0000 ; Show the cursor
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CMOVEX: jmp $0000 ; Move the cursor to X coord
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CMOVEY: jmp $0000 ; Move the cursor to Y coord
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;----------------------------------------------------------------------------
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; Constants
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SCREEN_HEIGHT = 200
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SCREEN_WIDTH = 320
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.enum JOY
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UP = $01
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DOWN = $02
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LEFT = $04
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RIGHT = $08
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FIRE = $10
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.endenum
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;----------------------------------------------------------------------------
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; Global variables. The bounding box values are sorted so that they can be
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; written with the least effort in the BOX routine, so don't reorder them.
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.bss
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Vars:
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YPos: .res 2 ; Current mouse position, Y
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XPos: .res 2 ; Current mouse position, X
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YMax: .res 2 ; Y2 value of bounding box
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XMax: .res 2 ; X2 value of bounding box
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YMin: .res 2 ; Y1 value of bounding box
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XMin: .res 2 ; X1 value of bounding box
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Buttons: .res 1 ; Button mask
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; Temporary value used in the int handler
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Temp: .res 1
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; Default values for above variables
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.rodata
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.proc DefVars
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.word SCREEN_HEIGHT/2 ; YPos
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.word SCREEN_WIDTH/2 ; XPos
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.word SCREEN_HEIGHT ; YMax
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.word SCREEN_WIDTH ; XMax
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.word 0 ; YMin
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.word 0 ; XMin
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.byte 0 ; Buttons
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.endproc
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.code
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;----------------------------------------------------------------------------
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; INSTALL routine. Is called after the driver is loaded into memory. If
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; possible, check if the hardware is present.
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; Must return an MOUSE_ERR_xx code in a/x.
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INSTALL:
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; Initialize variables. Just copy the default stuff over
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ldx #.sizeof(DefVars)-1
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@L1: lda DefVars,x
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sta Vars,x
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dex
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bpl @L1
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; Be sure the mouse cursor is invisible and at the default location. We
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; need to do that here, because our mouse interrupt handler doesn't set the
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; mouse position if it hasn't changed.
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sei
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jsr CHIDE
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lda XPos
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ldx XPos+1
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jsr CMOVEX
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lda YPos
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ldx YPos+1
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jsr CMOVEY
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cli
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; Done, return zero (= MOUSE_ERR_OK)
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ldx #$00
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txa
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rts
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;----------------------------------------------------------------------------
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; UNINSTALL routine. Is called before the driver is removed from memory.
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; No return code required (the driver is removed from memory on return).
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UNINSTALL = HIDE ; Hide cursor on exit
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;----------------------------------------------------------------------------
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; HIDE routine. Is called to hide the mouse pointer. The mouse kernel manages
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; a counter for calls to show/hide, and the driver entry point is only called
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; if the mouse is currently visible and should get hidden. For most drivers,
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; no special action is required besides hiding the mouse cursor.
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; No return code required.
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HIDE: sei
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jsr CHIDE
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cli
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rts
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;----------------------------------------------------------------------------
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; SHOW routine. Is called to show the mouse pointer. The mouse kernel manages
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; a counter for calls to show/hide, and the driver entry point is only called
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; if the mouse is currently hidden and should become visible. For most drivers,
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; no special action is required besides enabling the mouse cursor.
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; No return code required.
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SHOW: sei
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jsr CSHOW
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cli
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rts
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;----------------------------------------------------------------------------
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; BOX: Set the mouse bounding box. The parameters are passed as they come from
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; the C program, that is, maxy in a/x and the other parameters on the stack.
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; The C wrapper will remove the parameters from the stack when the driver
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; routine returns.
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; No checks are done if the mouse is currently inside the box, this is the job
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; of the caller. It is not necessary to validate the parameters, trust the
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; caller and save some code here. No return code required.
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BOX: ldy #5
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sei
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sta YMax
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stx YMax+1
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@L1: lda (sp),y
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sta XMax,y
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dey
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bpl @L1
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cli
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rts
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;----------------------------------------------------------------------------
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; MOVE: Move the mouse to a new position. The position is passed as it comes
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; from the C program, that is: X on the stack and Y in a/x. The C wrapper will
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; remove the parameter from the stack on return.
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; No checks are done if the new position is valid (within the bounding box or
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; the screen). No return code required.
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;
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MOVE: sei ; No interrupts
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sta YPos
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stx YPos+1 ; New Y position
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jsr CMOVEY ; Set it
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ldy #$01
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lda (sp),y
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sta XPos+1
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tax
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dey
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lda (sp),y
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sta XPos ; New X position
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jsr CMOVEX ; Move the cursor
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cli ; Allow interrupts
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rts
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;----------------------------------------------------------------------------
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; BUTTONS: Return the button mask in a/x.
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BUTTONS:
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lda Buttons
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ldx #$00
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rts
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;----------------------------------------------------------------------------
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; POS: Return the mouse position in the MOUSE_POS struct pointed to by ptr1.
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; No return code required.
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POS: ldy #MOUSE_POS::XCOORD ; Structure offset
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sei ; Disable interrupts
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lda XPos ; Transfer the position
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sta (ptr1),y
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lda XPos+1
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iny
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sta (ptr1),y
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lda YPos
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iny
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sta (ptr1),y
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lda YPos+1
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cli ; Enable interrupts
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iny
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sta (ptr1),y ; Store last byte
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rts ; Done
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;----------------------------------------------------------------------------
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; INFO: Returns mouse position and current button mask in the MOUSE_INFO
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; struct pointed to by ptr1. No return code required.
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;
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; We're cheating here to keep the code smaller: The first fields of the
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; mouse_info struct are identical to the mouse_pos struct, so we will just
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; call _mouse_pos to initialize the struct pointer and fill the position
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; fields.
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INFO: jsr POS
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; Fill in the button state
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lda Buttons
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ldy #MOUSE_INFO::BUTTONS
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sta (ptr1),y
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rts
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;----------------------------------------------------------------------------
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; IOCTL: Driver defined entry point. The wrapper will pass a pointer to ioctl
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; specific data in ptr1, and the ioctl code in A.
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; Must return an error code in a/x.
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;
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IOCTL: lda #<MOUSE_ERR_INV_IOCTL ; We don't support ioclts for now
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ldx #>MOUSE_ERR_INV_IOCTL
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rts
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;----------------------------------------------------------------------------
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; IRQ: Irq handler entry point. Called as a subroutine but in IRQ context
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; (so be careful).
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;
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IRQ: lda #$7F
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sta CIA1_PRA
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lda CIA1_PRB ; Read port #1
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and #%00001100
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eor #%00001100 ; Make all bits active high
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asl
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sta Buttons
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lsr
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lsr
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lsr
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and #%00000001
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ora Buttons
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sta Buttons
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ldx #%01000000
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stx CIA1_PRA
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ldy #0
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: dey
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bne :-
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ldx SID_ADConv1
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stx XPos
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ldx SID_ADConv2
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stx YPos
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lda #$FF
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tax
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bne @AddX ; Branch always
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lda #$01
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ldx #$00
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; Calculate the new X coordinate (--> a/y)
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@AddX: add XPos
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tay ; Remember low byte
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txa
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adc XPos+1
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tax
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; Limit the X coordinate to the bounding box
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cpy XMin
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sbc XMin+1
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bpl @L1
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ldy XMin
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ldx XMin+1
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jmp @L2
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@L1: txa
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cpy XMax
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sbc XMax+1
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bmi @L2
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ldy XMax
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ldx XMax+1
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@L2: sty XPos
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stx XPos+1
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; Move the mouse pointer to the new X pos
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tya
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jsr CMOVEX
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lda #$FF
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tax
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bne @AddY
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@Down: lda #$01
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ldx #$00
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; Calculate the new Y coordinate (--> a/y)
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@AddY: add YPos
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tay ; Remember low byte
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txa
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adc YPos+1
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tax
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; Limit the Y coordinate to the bounding box
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cpy YMin
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sbc YMin+1
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bpl @L3
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ldy YMin
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ldx YMin+1
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jmp @L4
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@L3: txa
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cpy YMax
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sbc YMax+1
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bmi @L4
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ldy YMax
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ldx YMax+1
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@L4: sty YPos
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stx YPos+1
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; Move the mouse pointer to the new X pos
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tya
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jmp CMOVEY
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@ -72,7 +72,7 @@ EMDS = c64-georam.emd c64-ram.emd c64-ramcart.emd c64-reu.emd c64-vdc.emd dtv-hi
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JOYS = c64-hitjoy.joy c64-numpad.joy c64-ptvjoy.joy c64-stdjoy.joy
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MOUS = c64-1351.mou c64-joymouse.mou
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MOUS = c64-1351.mou c64-joymouse.mou c64-potmouse.mou
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SERS = c64-swlink.ser
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371
libsrc/c64/c64-potmouse.s
Normal file
371
libsrc/c64/c64-potmouse.s
Normal file
@ -0,0 +1,371 @@
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;
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; Driver for a potentiometer "mouse" e.g. Koala Pad
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;
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; Ullrich von Bassewitz, 2004-03-29
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; Stefan Haubenthal, 2006-08-20
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;
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.include "zeropage.inc"
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.include "mouse-kernel.inc"
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.include "c64.inc"
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.macpack generic
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; ------------------------------------------------------------------------
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; Header. Includes jump table
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.segment "JUMPTABLE"
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HEADER:
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; Driver signature
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.byte $6d, $6f, $75 ; "mou"
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.byte MOUSE_API_VERSION ; Mouse driver API version number
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; Jump table.
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.addr INSTALL
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.addr UNINSTALL
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.addr HIDE
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.addr SHOW
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.addr BOX
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.addr MOVE
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.addr BUTTONS
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.addr POS
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.addr INFO
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.addr IOCTL
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.addr IRQ
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; Callback table, set by the kernel before INSTALL is called
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CHIDE: jmp $0000 ; Hide the cursor
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CSHOW: jmp $0000 ; Show the cursor
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CMOVEX: jmp $0000 ; Move the cursor to X coord
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CMOVEY: jmp $0000 ; Move the cursor to Y coord
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;----------------------------------------------------------------------------
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; Constants
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SCREEN_HEIGHT = 200
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SCREEN_WIDTH = 320
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.enum JOY
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UP = $01
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DOWN = $02
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LEFT = $04
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RIGHT = $08
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FIRE = $10
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.endenum
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;----------------------------------------------------------------------------
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; Global variables. The bounding box values are sorted so that they can be
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; written with the least effort in the BOX routine, so don't reorder them.
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.bss
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Vars:
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YPos: .res 2 ; Current mouse position, Y
|
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XPos: .res 2 ; Current mouse position, X
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YMax: .res 2 ; Y2 value of bounding box
|
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XMax: .res 2 ; X2 value of bounding box
|
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YMin: .res 2 ; Y1 value of bounding box
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XMin: .res 2 ; X1 value of bounding box
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Buttons: .res 1 ; Button mask
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|
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; Temporary value used in the int handler
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Temp: .res 1
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; Default values for above variables
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.rodata
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.proc DefVars
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.word SCREEN_HEIGHT/2 ; YPos
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.word SCREEN_WIDTH/2 ; XPos
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.word SCREEN_HEIGHT ; YMax
|
||||
.word SCREEN_WIDTH ; XMax
|
||||
.word 0 ; YMin
|
||||
.word 0 ; XMin
|
||||
.byte 0 ; Buttons
|
||||
.endproc
|
||||
|
||||
.code
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; INSTALL routine. Is called after the driver is loaded into memory. If
|
||||
; possible, check if the hardware is present.
|
||||
; Must return an MOUSE_ERR_xx code in a/x.
|
||||
|
||||
INSTALL:
|
||||
|
||||
; Initialize variables. Just copy the default stuff over
|
||||
|
||||
ldx #.sizeof(DefVars)-1
|
||||
@L1: lda DefVars,x
|
||||
sta Vars,x
|
||||
dex
|
||||
bpl @L1
|
||||
|
||||
; Be sure the mouse cursor is invisible and at the default location. We
|
||||
; need to do that here, because our mouse interrupt handler doesn't set the
|
||||
; mouse position if it hasn't changed.
|
||||
|
||||
sei
|
||||
jsr CHIDE
|
||||
lda XPos
|
||||
ldx XPos+1
|
||||
jsr CMOVEX
|
||||
lda YPos
|
||||
ldx YPos+1
|
||||
jsr CMOVEY
|
||||
cli
|
||||
|
||||
; Done, return zero (= MOUSE_ERR_OK)
|
||||
|
||||
ldx #$00
|
||||
txa
|
||||
rts
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; UNINSTALL routine. Is called before the driver is removed from memory.
|
||||
; No return code required (the driver is removed from memory on return).
|
||||
|
||||
UNINSTALL = HIDE ; Hide cursor on exit
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; HIDE routine. Is called to hide the mouse pointer. The mouse kernel manages
|
||||
; a counter for calls to show/hide, and the driver entry point is only called
|
||||
; if the mouse is currently visible and should get hidden. For most drivers,
|
||||
; no special action is required besides hiding the mouse cursor.
|
||||
; No return code required.
|
||||
|
||||
HIDE: sei
|
||||
jsr CHIDE
|
||||
cli
|
||||
rts
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; SHOW routine. Is called to show the mouse pointer. The mouse kernel manages
|
||||
; a counter for calls to show/hide, and the driver entry point is only called
|
||||
; if the mouse is currently hidden and should become visible. For most drivers,
|
||||
; no special action is required besides enabling the mouse cursor.
|
||||
; No return code required.
|
||||
|
||||
SHOW: sei
|
||||
jsr CSHOW
|
||||
cli
|
||||
rts
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; BOX: Set the mouse bounding box. The parameters are passed as they come from
|
||||
; the C program, that is, maxy in a/x and the other parameters on the stack.
|
||||
; The C wrapper will remove the parameters from the stack when the driver
|
||||
; routine returns.
|
||||
; No checks are done if the mouse is currently inside the box, this is the job
|
||||
; of the caller. It is not necessary to validate the parameters, trust the
|
||||
; caller and save some code here. No return code required.
|
||||
|
||||
BOX: ldy #5
|
||||
sei
|
||||
sta YMax
|
||||
stx YMax+1
|
||||
|
||||
@L1: lda (sp),y
|
||||
sta XMax,y
|
||||
dey
|
||||
bpl @L1
|
||||
|
||||
cli
|
||||
rts
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; MOVE: Move the mouse to a new position. The position is passed as it comes
|
||||
; from the C program, that is: X on the stack and Y in a/x. The C wrapper will
|
||||
; remove the parameter from the stack on return.
|
||||
; No checks are done if the new position is valid (within the bounding box or
|
||||
; the screen). No return code required.
|
||||
;
|
||||
|
||||
MOVE: sei ; No interrupts
|
||||
|
||||
sta YPos
|
||||
stx YPos+1 ; New Y position
|
||||
jsr CMOVEY ; Set it
|
||||
|
||||
ldy #$01
|
||||
lda (sp),y
|
||||
sta XPos+1
|
||||
tax
|
||||
dey
|
||||
lda (sp),y
|
||||
sta XPos ; New X position
|
||||
|
||||
jsr CMOVEX ; Move the cursor
|
||||
|
||||
cli ; Allow interrupts
|
||||
rts
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; BUTTONS: Return the button mask in a/x.
|
||||
|
||||
BUTTONS:
|
||||
lda Buttons
|
||||
ldx #$00
|
||||
rts
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; POS: Return the mouse position in the MOUSE_POS struct pointed to by ptr1.
|
||||
; No return code required.
|
||||
|
||||
POS: ldy #MOUSE_POS::XCOORD ; Structure offset
|
||||
|
||||
sei ; Disable interrupts
|
||||
lda XPos ; Transfer the position
|
||||
sta (ptr1),y
|
||||
lda XPos+1
|
||||
iny
|
||||
sta (ptr1),y
|
||||
lda YPos
|
||||
iny
|
||||
sta (ptr1),y
|
||||
lda YPos+1
|
||||
cli ; Enable interrupts
|
||||
|
||||
iny
|
||||
sta (ptr1),y ; Store last byte
|
||||
|
||||
rts ; Done
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; INFO: Returns mouse position and current button mask in the MOUSE_INFO
|
||||
; struct pointed to by ptr1. No return code required.
|
||||
;
|
||||
; We're cheating here to keep the code smaller: The first fields of the
|
||||
; mouse_info struct are identical to the mouse_pos struct, so we will just
|
||||
; call _mouse_pos to initialize the struct pointer and fill the position
|
||||
; fields.
|
||||
|
||||
INFO: jsr POS
|
||||
|
||||
; Fill in the button state
|
||||
|
||||
lda Buttons
|
||||
ldy #MOUSE_INFO::BUTTONS
|
||||
sta (ptr1),y
|
||||
|
||||
rts
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; IOCTL: Driver defined entry point. The wrapper will pass a pointer to ioctl
|
||||
; specific data in ptr1, and the ioctl code in A.
|
||||
; Must return an error code in a/x.
|
||||
;
|
||||
|
||||
IOCTL: lda #<MOUSE_ERR_INV_IOCTL ; We don't support ioclts for now
|
||||
ldx #>MOUSE_ERR_INV_IOCTL
|
||||
rts
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; IRQ: Irq handler entry point. Called as a subroutine but in IRQ context
|
||||
; (so be careful).
|
||||
;
|
||||
|
||||
IRQ: lda #$7F
|
||||
sta CIA1_PRA
|
||||
lda CIA1_PRB ; Read port #1
|
||||
and #%00001100
|
||||
eor #%00001100 ; Make all bits active high
|
||||
asl
|
||||
sta Buttons
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
and #%00000001
|
||||
ora Buttons
|
||||
sta Buttons
|
||||
ldx #%01000000
|
||||
stx CIA1_PRA
|
||||
ldy #0
|
||||
: dey
|
||||
bne :-
|
||||
ldx SID_ADConv1
|
||||
stx XPos
|
||||
ldx SID_ADConv2
|
||||
stx YPos
|
||||
|
||||
lda #$FF
|
||||
tax
|
||||
bne @AddX ; Branch always
|
||||
lda #$01
|
||||
ldx #$00
|
||||
|
||||
; Calculate the new X coordinate (--> a/y)
|
||||
|
||||
@AddX: add XPos
|
||||
tay ; Remember low byte
|
||||
txa
|
||||
adc XPos+1
|
||||
tax
|
||||
|
||||
; Limit the X coordinate to the bounding box
|
||||
|
||||
cpy XMin
|
||||
sbc XMin+1
|
||||
bpl @L1
|
||||
ldy XMin
|
||||
ldx XMin+1
|
||||
jmp @L2
|
||||
@L1: txa
|
||||
|
||||
cpy XMax
|
||||
sbc XMax+1
|
||||
bmi @L2
|
||||
ldy XMax
|
||||
ldx XMax+1
|
||||
@L2: sty XPos
|
||||
stx XPos+1
|
||||
|
||||
; Move the mouse pointer to the new X pos
|
||||
|
||||
tya
|
||||
jsr CMOVEX
|
||||
|
||||
lda #$FF
|
||||
tax
|
||||
bne @AddY
|
||||
@Down: lda #$01
|
||||
ldx #$00
|
||||
|
||||
; Calculate the new Y coordinate (--> a/y)
|
||||
|
||||
@AddY: add YPos
|
||||
tay ; Remember low byte
|
||||
txa
|
||||
adc YPos+1
|
||||
tax
|
||||
|
||||
; Limit the Y coordinate to the bounding box
|
||||
|
||||
cpy YMin
|
||||
sbc YMin+1
|
||||
bpl @L3
|
||||
ldy YMin
|
||||
ldx YMin+1
|
||||
jmp @L4
|
||||
@L3: txa
|
||||
|
||||
cpy YMax
|
||||
sbc YMax+1
|
||||
bmi @L4
|
||||
ldy YMax
|
||||
ldx YMax+1
|
||||
@L4: sty YPos
|
||||
stx YPos+1
|
||||
|
||||
; Move the mouse pointer to the new X pos
|
||||
|
||||
tya
|
||||
jmp CMOVEY
|
||||
Loading…
x
Reference in New Issue
Block a user