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Merge pull request #69 from groessler/something_to_pull
Mouse drivers for Atari
This commit is contained in:
commit
9eb6f30356
@ -318,7 +318,7 @@ APPMHI = $0E ;APPLICATIONS MEMORY HI LIMIT
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INTZBS = $10 ;INTERRUPT HANDLER
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POKMSK = $10 ;SYSTEM MASK FOR POKEY IRG ENABLE
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POKMSK = $10 ;SYSTEM MASK FOR POKEY IRQ ENABLE
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BRKKEY = $11 ;BREAK KEY FLAG
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RTCLOK = $12 ;REAL TIME CLOCK (IN 16 MSEC UNITS>
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BUFADR = $15 ;INDIRECT BUFFER ADDRESS REGISTER
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@ -485,10 +485,10 @@ VKEYBD = $0208 ;POKEY KEYBOARD IRQ VECTOR
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VSERIN = $020A ;POKEY SERIAL INPUT READY IRQ
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VSEROR = $020C ;POKEY SERIAL OUTPUT READY IRQ
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VSEROC = $020E ;POKEY SERIAL OUTPUT COMPLETE IRQ
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VTIMR1 = $0210 ;POKEY TIMER 1 IRG
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VTIMR2 = $0212 ;POKEY TIMER 2 IRG
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VTIMR4 = $0214 ;POKEY TIMER 4 IRG
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VIMIRQ = $0216 ;IMMEDIATE IRG VECTOR
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VTIMR1 = $0210 ;POKEY TIMER 1 IRQ
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VTIMR2 = $0212 ;POKEY TIMER 2 IRQ
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VTIMR4 = $0214 ;POKEY TIMER 4 IRQ
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VIMIRQ = $0216 ;IMMEDIATE IRQ VECTOR
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CDTMV1 = $0218 ;COUNT DOWN TIMER 1
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CDTMV2 = $021A ;COUNT DOWN TIMER 2
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CDTMV3 = $021C ;COUNT DOWN TIMER 3
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@ -16,11 +16,11 @@
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.segment "INIT"
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initirq:
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lda VVBLKI
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ldx VVBLKI+1
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lda VVBLKD
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ldx VVBLKD+1
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sta IRQInd+1
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stx IRQInd+2
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lda #6
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lda #7
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ldy #<IRQStub
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ldx #>IRQStub
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jsr SETVBV
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@ -31,7 +31,7 @@ initirq:
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.code
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doneirq:
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lda #6
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lda #7
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ldy IRQInd+1
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ldx IRQInd+2
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jsr SETVBV
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@ -44,7 +44,6 @@ doneirq:
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IRQStub:
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cld ; Just to be sure
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.ifdef __ATARIXL__
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pha
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.ifdef CHARGEN_RELOC
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lda CHBAS
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pha
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@ -64,7 +63,6 @@ IRQStub:
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sta CHBAS
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sta CHBASE
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.endif
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pla
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.endif
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jmp IRQInd ; Jump to the saved IRQ vector
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@ -2,7 +2,7 @@
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; Oliver Schmidt, 2013-05-31
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;
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.export em_libref, joy_libref, tgi_libref, ser_libref
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.export em_libref, joy_libref, tgi_libref, ser_libref, mouse_libref
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.import _exit
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.import atari_ser_libref
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@ -12,6 +12,9 @@ ser_libref := atari_ser_libref
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.ifdef __ATARIXL__
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.import CIO_handler
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tgi_libref := CIO_handler
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.import set_VTIMR1_handler
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mouse_libref := set_VTIMR1_handler
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.else
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mouse_libref := _exit
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tgi_libref := _exit
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.endif
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126
libsrc/atari/mcbdefault.s
Normal file
126
libsrc/atari/mcbdefault.s
Normal file
@ -0,0 +1,126 @@
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;
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; Default mouse callbacks for the Ataris
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;
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; Christian Groessler, 03.01.2014
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;
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; derived from Apple2 version by
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; Oliver Schmidt, 22.09.2005
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;
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; All functions in this module should be interrupt safe, because they may
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; be called from an interrupt handler
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;
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.export _mouse_def_callbacks
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.importzp tmp4
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.import mul40,loc_tmp
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.include "atari.inc"
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; ------------------------------------------------------------------------
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.bss
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backup: .res 1
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visible:.res 1
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; ------------------------------------------------------------------------
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.segment "EXTZP" : zeropage
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scrptr: .res 2
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; ------------------------------------------------------------------------
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.rodata
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; Callback structure
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_mouse_def_callbacks:
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.addr hide
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.addr show
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.addr prep
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.addr draw
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.addr movex
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.addr movey
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; ------------------------------------------------------------------------
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.data
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cursor = 11 ; '+' screen code'
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; setcursor
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getcursor:
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column: ldy #$00 ; Patched at runtime
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lda (scrptr),y
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rts
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setcursor:
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column2:ldy #$00 ; Patched at runtime
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sta (scrptr),y
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rts
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; ------------------------------------------------------------------------
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.code
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done:
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rts
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; Hide the mouse cursor.
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hide:
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dec visible
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prep:
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jsr getcursor ; Get character at cursor position
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cmp #cursor ; "mouse" character
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bne overwr ; no, probably program has overwritten it
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lda backup ;
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jmp setcursor ; Draw character
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overwr: sta backup
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rts
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; Show the mouse cursor.
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show:
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inc visible
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draw:
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lda visible
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beq done
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jsr getcursor ; Cursor visible at current position?
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sta backup ; Save character at cursor position
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lda #cursor
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jmp setcursor ; Draw cursor
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; Move the mouse cursor x position to the value in A/X.
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movex:
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cpx #1
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ror a
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lsr a ; convert to character position
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lsr a
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sta column+1
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sta column2+1
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rts
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; Move the mouse cursor y position to the value in A/X.
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movey:
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tax
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ldy tmp4 ; mul40 uses tmp4
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lda loc_tmp ; and this local variable
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pha
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txa ; get parameter back
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lsr a ; convert y position to character line
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lsr a
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lsr a
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jsr mul40
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clc
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adc SAVMSC
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sta scrptr
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txa
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adc SAVMSC+1
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sta scrptr+1
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pla
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sta loc_tmp
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sty tmp4
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rts
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2
libsrc/atari/mou/atrami.s
Normal file
2
libsrc/atari/mou/atrami.s
Normal file
@ -0,0 +1,2 @@
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AMIGA_MOUSE = 1
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.include "atrst.s"
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435
libsrc/atari/mou/atrjoy.s
Normal file
435
libsrc/atari/mou/atrjoy.s
Normal file
@ -0,0 +1,435 @@
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;
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; Driver for a "joystick mouse".
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;
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; C128 version: Ullrich von Bassewitz, 2004-04-05, 2009-09-26
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; Adapted to Atari: Christian Groessler, 2014-01-02
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;
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.include "zeropage.inc"
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.include "mouse-kernel.inc"
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.include "atari.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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; Library reference
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.addr $0000
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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 SETBOX
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.addr GETBOX
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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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; Mouse driver flags
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.byte MOUSE_FLAG_LATE_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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CPREP: jmp $0000 ; Prepare to move the cursor
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CDRAW: jmp $0000 ; Draw 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 = 191
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SCREEN_WIDTH = 319
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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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.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 SETBOX and GETBOX routines, so don't
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; 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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XMin: .res 2 ; X1 value of bounding box
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YMin: .res 2 ; Y1 value of bounding box
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XMax: .res 2 ; X2 value of bounding box
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YMax: .res 2 ; Y2 value of bounding box
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Buttons: .res 1 ; Button mask
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Temp: .res 1 ; Temporary value used in the int handler
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; Default values for above variables
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.rodata
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; (We use ".proc" because we want to define both a label and a scope.)
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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 0 ; XMin
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.word 0 ; YMin
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.word SCREEN_WIDTH ; XMax
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.word SCREEN_HEIGHT ; YMax
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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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; Make sure the mouse cursor is at the default location.
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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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; 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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||||
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HIDE: php
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sei
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jsr CHIDE
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plp
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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.
|
||||
; No return code required.
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||||
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||||
SHOW: php
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||||
sei
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||||
jsr CSHOW
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||||
plp
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||||
rts
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||||
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||||
;----------------------------------------------------------------------------
|
||||
; SETBOX: Set the mouse bounding box. The parameters are passed as they come
|
||||
; from the C program, that is, a pointer to a mouse_box struct in a/x.
|
||||
; 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.
|
||||
|
||||
SETBOX: sta ptr1
|
||||
stx ptr1+1 ; Save data pointer
|
||||
|
||||
ldy #.sizeof (MOUSE_BOX)-1
|
||||
php
|
||||
sei
|
||||
|
||||
@L1: lda (ptr1),y
|
||||
sta XMin,y
|
||||
dey
|
||||
bpl @L1
|
||||
|
||||
plp
|
||||
rts
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; GETBOX: Return the mouse bounding box. The parameters are passed as they
|
||||
; come from the C program, that is, a pointer to a mouse_box struct in a/x.
|
||||
|
||||
GETBOX: sta ptr1
|
||||
stx ptr1+1 ; Save data pointer
|
||||
|
||||
ldy #.sizeof (MOUSE_BOX)-1
|
||||
php
|
||||
sei
|
||||
|
||||
@L1: lda XMin,y
|
||||
sta (ptr1),y
|
||||
dey
|
||||
bpl @L1
|
||||
|
||||
plp
|
||||
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: php
|
||||
sei ; No interrupts
|
||||
|
||||
pha
|
||||
txa
|
||||
pha
|
||||
jsr CPREP
|
||||
pla
|
||||
tax
|
||||
pla
|
||||
|
||||
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
|
||||
|
||||
jsr CDRAW
|
||||
|
||||
plp ; Restore interrupt flag
|
||||
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
|
||||
|
||||
php
|
||||
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
|
||||
plp ; Restore interrupt flag
|
||||
|
||||
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). The routine MUST return carry set if the interrupt has been
|
||||
; 'handled' - which means that the interrupt source is gone. Otherwise it
|
||||
; MUST return carry clear.
|
||||
;
|
||||
|
||||
IRQ:
|
||||
|
||||
; Check for a pressed button and place the result into Buttons
|
||||
|
||||
ldx #0
|
||||
lda TRIG0 ; joystick #0 trigger
|
||||
bne @L0 ; not pressed
|
||||
ldx #MOUSE_BTN_LEFT
|
||||
@L0: stx Buttons
|
||||
|
||||
lda PORTA ; get joystick direction bits
|
||||
and #15 ; clear joystick #1 bits
|
||||
eor #15
|
||||
sta Temp
|
||||
|
||||
jsr CPREP
|
||||
|
||||
; Check left/right
|
||||
|
||||
lda Temp ; Read joystick #0
|
||||
and #(JOY::LEFT | JOY::RIGHT)
|
||||
beq @SkipX ;
|
||||
|
||||
; We will cheat here and rely on the fact that either the left, OR the right
|
||||
; bit can be active
|
||||
|
||||
and #JOY::RIGHT ; Check RIGHT bit
|
||||
bne @Right
|
||||
lda #$FF
|
||||
tax
|
||||
bne @AddX ; Branch always
|
||||
@Right: lda #$01
|
||||
ldx #$00
|
||||
|
||||
; Calculate the new X coordinate (--> a/y)
|
||||
|
||||
@AddX: add XPos
|
||||
tay ; Remember low byte
|
||||
txa
|
||||
adc XPos+1
|
||||
tax
|
||||
|
||||
; Limit the X coordinate to the bounding box
|
||||
|
||||
cpy XMin
|
||||
sbc XMin+1
|
||||
bpl @L1
|
||||
ldy XMin
|
||||
ldx XMin+1
|
||||
jmp @L2
|
||||
@L1: txa
|
||||
|
||||
cpy XMax
|
||||
sbc XMax+1
|
||||
bmi @L2
|
||||
ldy XMax
|
||||
ldx XMax+1
|
||||
@L2: sty XPos
|
||||
stx XPos+1
|
||||
|
||||
; Move the mouse pointer to the new X pos
|
||||
|
||||
tya
|
||||
jsr CMOVEX
|
||||
|
||||
; Calculate the Y movement vector
|
||||
|
||||
@SkipX: lda Temp ; Read joystick #0
|
||||
and #(JOY::UP | JOY::DOWN) ; Check up/down
|
||||
beq @SkipY ;
|
||||
|
||||
; We will cheat here and rely on the fact that either the up, OR the down
|
||||
; bit can be active
|
||||
|
||||
lsr a
|
||||
bcc @Down
|
||||
lda #$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
|
||||
jsr CMOVEY
|
||||
|
||||
; Done
|
||||
|
||||
@SkipY: jsr CDRAW
|
||||
clc ; Interrupt not "handled"
|
||||
rts
|
||||
|
697
libsrc/atari/mou/atrst.s
Normal file
697
libsrc/atari/mou/atrst.s
Normal file
@ -0,0 +1,697 @@
|
||||
;
|
||||
; Mouse driver for ST & Amiga mouses and Atari trakball.
|
||||
;
|
||||
; Original access routines: 05/07/2000 Freddy Offenga
|
||||
; Converted to driver: Christian Groessler, 2014-01-04
|
||||
;
|
||||
; Defines:
|
||||
; AMIGA_MOUSE - builds Amiga mouse version
|
||||
; TRAK_MOUSE - builds trakball version
|
||||
; If none of these defines are active, the ST mouse version
|
||||
; is being built.
|
||||
;
|
||||
|
||||
.include "zeropage.inc"
|
||||
.include "mouse-kernel.inc"
|
||||
.include "atari.inc"
|
||||
|
||||
.macpack generic
|
||||
|
||||
.if .not ( .defined (AMIGA_MOUSE) .or .defined (TRAK_MOUSE))
|
||||
ST_MOUSE = 1
|
||||
.endif
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; Header. Includes jump table
|
||||
|
||||
.segment "JUMPTABLE"
|
||||
|
||||
HEADER:
|
||||
|
||||
; Driver signature
|
||||
|
||||
.byte $6d, $6f, $75 ; "mou"
|
||||
.byte MOUSE_API_VERSION ; Mouse driver API version number
|
||||
|
||||
; Library reference
|
||||
|
||||
libref: .addr $0000
|
||||
|
||||
; Jump table
|
||||
|
||||
.addr INSTALL
|
||||
.addr UNINSTALL
|
||||
.addr HIDE
|
||||
.addr SHOW
|
||||
.addr SETBOX
|
||||
.addr GETBOX
|
||||
.addr MOVE
|
||||
.addr BUTTONS
|
||||
.addr POS
|
||||
.addr INFO
|
||||
.addr IOCTL
|
||||
.addr IRQ
|
||||
|
||||
; Mouse driver flags
|
||||
|
||||
.byte MOUSE_FLAG_LATE_IRQ
|
||||
|
||||
; Callback table, set by the kernel before INSTALL is called
|
||||
|
||||
CHIDE: jmp $0000 ; Hide the cursor
|
||||
CSHOW: jmp $0000 ; Show the cursor
|
||||
CPREP: jmp $0000 ; Prepare to move the cursor
|
||||
CDRAW: jmp $0000 ; Draw the cursor
|
||||
CMOVEX: jmp $0000 ; Move the cursor to X coord
|
||||
CMOVEY: jmp $0000 ; Move the cursor to Y coord
|
||||
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; Constants
|
||||
|
||||
SCREEN_HEIGHT = 191
|
||||
SCREEN_WIDTH = 319
|
||||
|
||||
.enum JOY
|
||||
UP = $01
|
||||
DOWN = $02
|
||||
LEFT = $04
|
||||
RIGHT = $08
|
||||
.endenum
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; Global variables. The bounding box values are sorted so that they can be
|
||||
; written with the least effort in the SETBOX and GETBOX routines, so don't
|
||||
; reorder them.
|
||||
|
||||
.bss
|
||||
|
||||
Vars:
|
||||
YPos: .res 2 ; Current mouse position, Y
|
||||
XPos: .res 2 ; Current mouse position, X
|
||||
XMin: .res 2 ; X1 value of bounding box
|
||||
YMin: .res 2 ; Y1 value of bounding box
|
||||
XMax: .res 2 ; X2 value of bounding box
|
||||
YMax: .res 2 ; Y2 value of bounding box
|
||||
Buttons: .res 1 ; Button mask
|
||||
|
||||
XPosWrk: .res 2
|
||||
YPosWrk: .res 2
|
||||
|
||||
.if .defined (AMIGA_MOUSE) .or .defined (ST_MOUSE)
|
||||
dumx: .res 1
|
||||
dumy: .res 1
|
||||
.endif
|
||||
|
||||
.ifdef TRAK_MOUSE
|
||||
oldval: .res 1
|
||||
.endif
|
||||
|
||||
.ifndef __ATARIXL__
|
||||
OldT1: .res 2
|
||||
.else
|
||||
|
||||
.data
|
||||
set_VTIMR1_handler:
|
||||
.byte $4C, 0, 0
|
||||
.endif
|
||||
|
||||
.rodata
|
||||
|
||||
; Default values for some of the above variables
|
||||
; (We use ".proc" because we want to define both a label and a scope.)
|
||||
|
||||
.proc DefVars
|
||||
.word (SCREEN_HEIGHT+1)/2 ; YPos
|
||||
.word (SCREEN_WIDTH+1)/2 ; XPos
|
||||
.word 0 ; XMin
|
||||
.word 0 ; YMin
|
||||
.word SCREEN_WIDTH ; XMax
|
||||
.word SCREEN_HEIGHT ; YMax
|
||||
.byte 0 ; Buttons
|
||||
.endproc
|
||||
|
||||
.ifdef ST_MOUSE
|
||||
|
||||
; ST mouse lookup table
|
||||
|
||||
STTab: .byte $FF,$01,$00,$01
|
||||
.byte $00,$FF,$00,$01
|
||||
.byte $01,$00,$FF,$00
|
||||
.byte $01,$00,$01,$FF
|
||||
|
||||
.endif
|
||||
|
||||
.ifdef AMIGA_MOUSE
|
||||
|
||||
; Amiga mouse lookup table
|
||||
|
||||
AmiTab: .byte $FF,$01,$00,$FF
|
||||
.byte $00,$FF,$FF,$01
|
||||
.byte $01,$FF,$FF,$00
|
||||
.byte $FF,$00,$01,$FF
|
||||
|
||||
.endif
|
||||
|
||||
.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
|
||||
|
||||
; Make sure the mouse cursor is at the default location.
|
||||
|
||||
lda XPos
|
||||
sta XPosWrk
|
||||
ldx XPos+1
|
||||
stx XPosWrk+1
|
||||
jsr CMOVEX
|
||||
lda YPos
|
||||
sta YPosWrk
|
||||
ldx YPos+1
|
||||
stx YPosWrk+1
|
||||
jsr CMOVEY
|
||||
|
||||
; Install timer irq routine to poll mouse.
|
||||
|
||||
.ifdef __ATARIXL__
|
||||
|
||||
; Setup pointer to wrapper install/deinstall function.
|
||||
lda libref
|
||||
sta set_VTIMR1_handler+1
|
||||
lda libref+1
|
||||
sta set_VTIMR1_handler+2
|
||||
|
||||
; Install my handler.
|
||||
sec
|
||||
lda #<T1Han
|
||||
ldx #>T1Han
|
||||
jsr set_VTIMR1_handler
|
||||
|
||||
.else
|
||||
|
||||
lda VTIMR1
|
||||
sta OldT1
|
||||
lda VTIMR1+1
|
||||
sta OldT1+1
|
||||
|
||||
php
|
||||
sei
|
||||
lda #<T1Han
|
||||
sta VTIMR1
|
||||
lda #>T1Han
|
||||
sta VTIMR1+1
|
||||
plp
|
||||
|
||||
.endif
|
||||
|
||||
lda #%00000001
|
||||
sta AUDCTL
|
||||
|
||||
lda #0
|
||||
sta AUDC1
|
||||
|
||||
lda #15
|
||||
sta AUDF1
|
||||
sta STIMER
|
||||
|
||||
lda POKMSK
|
||||
ora #%00000001 ; timer 1 enable
|
||||
sta POKMSK
|
||||
sta IRQEN
|
||||
|
||||
; 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:
|
||||
|
||||
; uninstall timer irq routine
|
||||
|
||||
lda POKMSK
|
||||
and #%11111110 ; timer 1 disable
|
||||
sta IRQEN
|
||||
sta POKMSK
|
||||
|
||||
.ifdef __ATARIXL__
|
||||
|
||||
clc
|
||||
jsr set_VTIMR1_handler
|
||||
|
||||
.else
|
||||
|
||||
php
|
||||
sei
|
||||
lda OldT1
|
||||
sta VTIMR1
|
||||
lda OldT1+1
|
||||
sta VTIMR1+1
|
||||
plp
|
||||
|
||||
.endif
|
||||
; fall thru...
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; 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: php
|
||||
sei
|
||||
jsr CHIDE
|
||||
plp
|
||||
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: php
|
||||
sei
|
||||
jsr CSHOW
|
||||
plp
|
||||
rts
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; SETBOX: Set the mouse bounding box. The parameters are passed as they come
|
||||
; from the C program, that is, a pointer to a mouse_box struct in a/x.
|
||||
; 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.
|
||||
|
||||
SETBOX: sta ptr1
|
||||
stx ptr1+1 ; Save data pointer
|
||||
|
||||
ldy #.sizeof (MOUSE_BOX)-1
|
||||
php
|
||||
sei
|
||||
|
||||
@L1: lda (ptr1),y
|
||||
sta XMin,y
|
||||
dey
|
||||
bpl @L1
|
||||
|
||||
plp
|
||||
rts
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; GETBOX: Return the mouse bounding box. The parameters are passed as they
|
||||
; come from the C program, that is, a pointer to a mouse_box struct in a/x.
|
||||
|
||||
GETBOX: sta ptr1
|
||||
stx ptr1+1 ; Save data pointer
|
||||
|
||||
ldy #.sizeof (MOUSE_BOX)-1
|
||||
php
|
||||
sei
|
||||
|
||||
@L1: lda XMin,y
|
||||
sta (ptr1),y
|
||||
dey
|
||||
bpl @L1
|
||||
|
||||
plp
|
||||
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: php
|
||||
sei ; No interrupts
|
||||
|
||||
pha
|
||||
txa
|
||||
pha
|
||||
jsr CPREP
|
||||
pla
|
||||
tax
|
||||
pla
|
||||
|
||||
sta YPos
|
||||
sta YPosWrk
|
||||
stx YPos+1 ; New Y position
|
||||
stx YPosWrk+1
|
||||
jsr CMOVEY ; Set it
|
||||
|
||||
ldy #$01
|
||||
lda (sp),y
|
||||
sta XPos+1
|
||||
sta XPosWrk+1
|
||||
tax
|
||||
dey
|
||||
lda (sp),y
|
||||
sta XPos ; New X position
|
||||
sta XPosWrk
|
||||
jsr CMOVEX ; Move the cursor
|
||||
|
||||
jsr CDRAW
|
||||
|
||||
plp ; Restore interrupt flag
|
||||
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
|
||||
|
||||
php
|
||||
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
|
||||
plp ; Restore interrupt flag
|
||||
|
||||
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). The routine MUST return carry set if the interrupt has been
|
||||
; 'handled' - which means that the interrupt source is gone. Otherwise it
|
||||
; MUST return carry clear.
|
||||
;
|
||||
|
||||
IRQ:
|
||||
|
||||
; Check for a pressed button and place the result into Buttons
|
||||
|
||||
ldx #0
|
||||
lda TRIG0 ; joystick #0 trigger
|
||||
bne @L0 ; not pressed
|
||||
ldx #MOUSE_BTN_LEFT
|
||||
@L0: stx Buttons
|
||||
|
||||
jsr CPREP
|
||||
|
||||
; Limit the X coordinate to the bounding box
|
||||
|
||||
lda XPosWrk+1
|
||||
ldy XPosWrk
|
||||
tax
|
||||
cpy XMin
|
||||
sbc XMin+1
|
||||
bpl @L2
|
||||
ldy XMin
|
||||
ldx XMin+1
|
||||
jmp @L3
|
||||
@L2: txa
|
||||
|
||||
cpy XMax
|
||||
sbc XMax+1
|
||||
bmi @L3
|
||||
ldy XMax
|
||||
ldx XMax+1
|
||||
@L3: sty XPos
|
||||
stx XPos+1
|
||||
|
||||
tya
|
||||
jsr CMOVEX
|
||||
|
||||
; Limit the Y coordinate to the bounding box
|
||||
|
||||
lda YPosWrk+1
|
||||
ldy YPosWrk
|
||||
tax
|
||||
cpy YMin
|
||||
sbc YMin+1
|
||||
bpl @L4
|
||||
ldy YMin
|
||||
ldx YMin+1
|
||||
jmp @L5
|
||||
@L4: txa
|
||||
|
||||
cpy YMax
|
||||
sbc YMax+1
|
||||
bmi @L5
|
||||
ldy YMax
|
||||
ldx YMax+1
|
||||
@L5: sty YPos
|
||||
stx YPos+1
|
||||
|
||||
tya
|
||||
jsr CMOVEY
|
||||
|
||||
jsr CDRAW
|
||||
|
||||
clc
|
||||
rts
|
||||
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; T1Han: Local IRQ routine to poll mouse
|
||||
;
|
||||
|
||||
T1Han: tya
|
||||
pha
|
||||
txa
|
||||
pha
|
||||
|
||||
.ifdef DEBUG
|
||||
lda RANDOM
|
||||
sta COLBK
|
||||
.endif
|
||||
|
||||
lda PORTA
|
||||
tay
|
||||
|
||||
.ifdef ST_MOUSE
|
||||
|
||||
; ST mouse version
|
||||
|
||||
and #%00000011
|
||||
ora dumx
|
||||
tax
|
||||
lda STTab,x
|
||||
bmi nxst
|
||||
|
||||
beq xist
|
||||
|
||||
dec XPosWrk
|
||||
lda XPosWrk
|
||||
cmp #255
|
||||
bne nxst
|
||||
dec XPosWrk+1
|
||||
jmp nxst
|
||||
|
||||
xist: inc XPosWrk
|
||||
bne nxst
|
||||
inc XPosWrk+1
|
||||
|
||||
nxst: tya
|
||||
and #%00001100
|
||||
ora dumy
|
||||
tax
|
||||
lda STTab,x
|
||||
bmi nyst
|
||||
|
||||
bne yst
|
||||
|
||||
dec YPosWrk
|
||||
lda YPosWrk
|
||||
cmp #255
|
||||
bne nyst
|
||||
dec YPosWrk+1
|
||||
jmp nyst
|
||||
|
||||
yst: inc YPosWrk
|
||||
bne nyst
|
||||
inc YPosWrk+1
|
||||
|
||||
; store old readings
|
||||
|
||||
nyst: tya
|
||||
and #%00000011
|
||||
asl
|
||||
asl
|
||||
sta dumx
|
||||
tya
|
||||
and #%00001100
|
||||
lsr
|
||||
lsr
|
||||
sta dumy
|
||||
|
||||
.elseif .defined (AMIGA_MOUSE)
|
||||
|
||||
; Amiga mouse version
|
||||
|
||||
lsr
|
||||
and #%00000101
|
||||
ora dumx
|
||||
tax
|
||||
lda AmiTab,x
|
||||
bmi nxami
|
||||
|
||||
bne xiami
|
||||
|
||||
dec XPosWrk
|
||||
lda XPosWrk
|
||||
cmp #255
|
||||
bne nxami
|
||||
dec XPosWrk+1
|
||||
jmp nxami
|
||||
|
||||
xiami: inc XPosWrk
|
||||
bne nxami
|
||||
inc XPosWrk+1
|
||||
|
||||
nxami: tya
|
||||
|
||||
and #%00000101
|
||||
ora dumy
|
||||
tax
|
||||
lda AmiTab,x
|
||||
bmi nyami
|
||||
|
||||
bne yiami
|
||||
|
||||
dec YPosWrk
|
||||
lda YPosWrk
|
||||
cmp #255
|
||||
bne nyami
|
||||
dec YPosWrk+1
|
||||
jmp nyami
|
||||
|
||||
yiami: inc YPosWrk
|
||||
bne nyami
|
||||
inc YPosWrk+1
|
||||
|
||||
; store old readings
|
||||
|
||||
nyami: tya
|
||||
and #%00001010
|
||||
sta dumx
|
||||
tya
|
||||
and #%00000101
|
||||
asl
|
||||
sta dumy
|
||||
|
||||
.elseif .defined (TRAK_MOUSE)
|
||||
|
||||
; trakball version
|
||||
|
||||
eor oldval
|
||||
and #%00001000
|
||||
beq horiz
|
||||
|
||||
tya
|
||||
and #%00000100
|
||||
beq mmup
|
||||
|
||||
inc YPosWrk
|
||||
bne horiz
|
||||
inc YPosWrk+1
|
||||
bne horiz
|
||||
|
||||
mmup: dec YPosWrk
|
||||
lda YPosWrk
|
||||
cmp #255
|
||||
bne horiz
|
||||
dec YPosWrk+1
|
||||
|
||||
horiz: tya
|
||||
eor oldval
|
||||
and #%00000010
|
||||
beq mmexit
|
||||
|
||||
tya
|
||||
and #%00000001
|
||||
beq mmleft
|
||||
|
||||
inc XPosWrk
|
||||
bne mmexit
|
||||
inc XPosWrk+1
|
||||
bne mmexit
|
||||
|
||||
mmleft: dec XPosWrk
|
||||
lda XPosWrk
|
||||
cmp #255
|
||||
bne mmexit
|
||||
dec XPosWrk+1
|
||||
|
||||
mmexit: sty oldval
|
||||
|
||||
.endif
|
||||
|
||||
pla
|
||||
tax
|
||||
pla
|
||||
tay
|
||||
.ifdef __ATARIXL__
|
||||
rts
|
||||
.else
|
||||
pla
|
||||
rti
|
||||
.endif
|
2
libsrc/atari/mou/atrtrk.s
Normal file
2
libsrc/atari/mou/atrtrk.s
Normal file
@ -0,0 +1,2 @@
|
||||
TRAK_MOUSE = 1
|
||||
.include "atrst.s"
|
@ -1,576 +0,0 @@
|
||||
;--------------------------------------------------------------------
|
||||
; Atari 8-bit mouse routines -- 05/07/2000 Freddy Offenga
|
||||
; Some changes by Christian Groessler, Ullrich von Bassewitz
|
||||
;
|
||||
; The following devices are supported:
|
||||
; - Atari trak-ball
|
||||
; - ST mouse
|
||||
; - Amiga mouse
|
||||
;
|
||||
; Mouse checks are done in the timer 1 IRQ and the mouse arrow is
|
||||
; drawn in player 0 during the vertical blank
|
||||
;--------------------------------------------------------------------
|
||||
|
||||
.export _mouse_init, _mouse_done, _mouse_box
|
||||
.export _mouse_show, _mouse_hide, _mouse_move
|
||||
.export _mouse_buttons, _mouse_pos, _mouse_info
|
||||
.constructor initmouse,27
|
||||
|
||||
.import popax
|
||||
.importzp ptr1
|
||||
|
||||
.include "atari.inc"
|
||||
|
||||
TRAK_BALL = 0 ; device Atari trak-ball
|
||||
ST_MOUSE = 1 ; device ST mouse
|
||||
AMIGA_MOUSE = 2 ; device Amiga mouse
|
||||
MAX_TYPE = 3 ; first illegal device type
|
||||
|
||||
; the default values force the mouse cursor inside the test screen (no access to border)
|
||||
defxmin = 48 ; default x minimum
|
||||
defymin = 31 ; default y minimum
|
||||
defxmax = 204 ; default x maximum
|
||||
defymax = 211 ; default y maximum
|
||||
|
||||
pmsize = 16 ; y size pm shape
|
||||
|
||||
xinit = defxmin ; init. x pos.
|
||||
yinit = defymin ; init. y pos.
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; reserve memory for the mouse pointer
|
||||
|
||||
initmouse:
|
||||
lda APPMHI+1
|
||||
and #%11111000 ; make 2k aligned
|
||||
sec
|
||||
sbc #%00001000 ; reserve 2k
|
||||
tax
|
||||
adc #3 ; add 4 (C = 1)
|
||||
sta mouse_pm0
|
||||
lda #0
|
||||
sta APPMHI
|
||||
stx APPMHI+1
|
||||
rts
|
||||
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; Initialize mouse routines
|
||||
; void __fastcall__ mouse_init (unsigned char type);
|
||||
|
||||
_mouse_init:
|
||||
cmp #MAX_TYPE+1 ; Check for a valid type
|
||||
bcc setup
|
||||
|
||||
ifail: lda #0 ; init. failed
|
||||
tax
|
||||
rts
|
||||
|
||||
setup: tax
|
||||
lda lvectab,x
|
||||
sta mouse_vec+1
|
||||
lda hvectab,x
|
||||
sta mouse_vec+2
|
||||
|
||||
jsr pminit
|
||||
|
||||
lda VTIMR1
|
||||
sta old_t1
|
||||
lda VTIMR1+1
|
||||
sta old_t1+1
|
||||
|
||||
lda #<t1_vec
|
||||
sta VTIMR1
|
||||
lda #>t1_vec
|
||||
sta VTIMR1+1
|
||||
|
||||
lda #%00000001
|
||||
sta AUDCTL
|
||||
|
||||
lda #0
|
||||
sta AUDC1
|
||||
|
||||
lda #15
|
||||
sta AUDF1
|
||||
sta STIMER
|
||||
|
||||
sei
|
||||
lda POKMSK
|
||||
ora #%00000001 ; timer 1 enable
|
||||
sta POKMSK
|
||||
sta IRQEN
|
||||
cli
|
||||
|
||||
lda VVBLKI
|
||||
sta vbi_jmp+1
|
||||
lda VVBLKI+1
|
||||
sta vbi_jmp+2
|
||||
|
||||
lda #6
|
||||
ldy #<vbi
|
||||
ldx #>vbi
|
||||
jsr SETVBV
|
||||
|
||||
lda #$C0
|
||||
sta NMIEN
|
||||
|
||||
ldx #0
|
||||
lda #1
|
||||
sta mouse_off
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; Finish mouse routines
|
||||
; void mouse_done(void)
|
||||
|
||||
_mouse_done:
|
||||
sei
|
||||
lda POKMSK
|
||||
and #%11111110 ; timer 1 disable
|
||||
sta IRQEN
|
||||
sta POKMSK
|
||||
cli
|
||||
|
||||
lda old_t1
|
||||
sta VTIMR1
|
||||
lda old_t1+1
|
||||
sta VTIMR1+1
|
||||
|
||||
lda #$40
|
||||
sta NMIEN
|
||||
|
||||
lda #6
|
||||
ldy vbi_jmp+1
|
||||
ldx vbi_jmp+2
|
||||
jsr SETVBV
|
||||
|
||||
ldx #0
|
||||
stx GRACTL
|
||||
stx HPOSP0
|
||||
inx
|
||||
stx mouse_off
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; Set mouse limits
|
||||
; void __fastcall__ mouse_box(int xmin, int ymin, int xmax, int ymax)
|
||||
|
||||
_mouse_box:
|
||||
sta ymax
|
||||
jsr popax ; always ignore high byte
|
||||
sta xmax
|
||||
jsr popax
|
||||
sta ymin
|
||||
jsr popax
|
||||
sta xmin
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; Set mouse position
|
||||
; void __fastcall__ mouse_move(int xpos, int ypos)
|
||||
|
||||
_mouse_move:
|
||||
sta mousey ; always ignore high byte
|
||||
jsr popax
|
||||
sta mousex
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; Show mouse arrow
|
||||
; void mouse_show(void)
|
||||
|
||||
_mouse_show:
|
||||
lda mouse_off ; Already on?
|
||||
beq @L1
|
||||
dec mouse_off
|
||||
@L1: rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; Hide mouse arrow
|
||||
; void mouse_hide(void)
|
||||
|
||||
_mouse_hide:
|
||||
inc mouse_off
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; Ask mouse button
|
||||
; unsigned char mouse_buttons(void)
|
||||
|
||||
_mouse_buttons:
|
||||
ldx #0
|
||||
lda STRIG0
|
||||
bne nobut
|
||||
; lda #14
|
||||
;??? sta COLOR1
|
||||
lda #1
|
||||
rts
|
||||
nobut: txa
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; Get the mouse position
|
||||
; void mouse_pos (struct mouse_pos* pos);
|
||||
|
||||
_mouse_pos:
|
||||
sta ptr1
|
||||
stx ptr1+1 ; Store argument pointer
|
||||
ldy #0
|
||||
lda mousex ; X position
|
||||
sta (ptr1),y
|
||||
lda #0
|
||||
iny
|
||||
sta (ptr1),y
|
||||
lda mousey ; Y position
|
||||
iny
|
||||
sta (ptr1),y
|
||||
lda #0
|
||||
iny
|
||||
sta (ptr1),y
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; Get the mouse position and button information
|
||||
; void mouse_info (struct mouse_info* info);
|
||||
|
||||
_mouse_info:
|
||||
|
||||
; 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.
|
||||
|
||||
jsr _mouse_pos
|
||||
|
||||
; Fill in the button state
|
||||
|
||||
jsr _mouse_buttons ; Will not touch ptr1
|
||||
ldy #4
|
||||
sta (ptr1),y
|
||||
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; Atari trak-ball check, A,Y = 4-bit port value
|
||||
|
||||
trak_check:
|
||||
eor oldval
|
||||
and #%00001000
|
||||
beq horiz
|
||||
|
||||
tya
|
||||
and #%00000100
|
||||
beq mmup
|
||||
|
||||
inc mousey
|
||||
bne horiz
|
||||
|
||||
mmup: dec mousey
|
||||
|
||||
horiz: tya
|
||||
eor oldval
|
||||
and #%00000010
|
||||
beq mmexit
|
||||
|
||||
tya
|
||||
and #%00000001
|
||||
beq mmleft
|
||||
|
||||
inc mousex
|
||||
bne mmexit
|
||||
|
||||
mmleft: dec mousex
|
||||
|
||||
mmexit: sty oldval
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; ST mouse check, A,Y = 4-bit port value
|
||||
|
||||
st_check:
|
||||
and #%00000011
|
||||
ora dumx
|
||||
tax
|
||||
lda sttab,x
|
||||
bmi nxst
|
||||
|
||||
beq xist
|
||||
dec mousex ; 1 = left
|
||||
bne nxst
|
||||
xist: inc mousex ; 0 = right
|
||||
|
||||
nxst: tya
|
||||
and #%00001100
|
||||
ora dumy
|
||||
tax
|
||||
lda sttab,x
|
||||
bmi nyst
|
||||
|
||||
bne yst
|
||||
dec mousey ; 0 = up
|
||||
bne nyst
|
||||
yst: inc mousey ; 1 = down
|
||||
|
||||
; store old readings
|
||||
|
||||
nyst: tya
|
||||
and #%00000011
|
||||
asl
|
||||
asl
|
||||
sta dumx
|
||||
tya
|
||||
and #%00001100
|
||||
lsr
|
||||
lsr
|
||||
sta dumy
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; Amiga mouse check, A,Y = 4-bit port value
|
||||
|
||||
amiga_check:
|
||||
|
||||
lsr
|
||||
and #%00000101
|
||||
ora dumx
|
||||
tax
|
||||
lda amitab,x
|
||||
bmi nxami
|
||||
|
||||
bne xiami
|
||||
dec mousex ; 0 = left
|
||||
bne nxami
|
||||
xiami: inc mousex ; 1 = right
|
||||
|
||||
nxami: tya
|
||||
|
||||
and #%00000101
|
||||
ora dumy
|
||||
tax
|
||||
lda amitab,x
|
||||
bmi nyami
|
||||
|
||||
bne yiami
|
||||
dec mousey ; 0 = up
|
||||
bne nyami
|
||||
yiami: inc mousey ; 1 = down
|
||||
|
||||
; store old readings
|
||||
|
||||
nyami: tya
|
||||
and #%00001010
|
||||
sta dumx
|
||||
tya
|
||||
and #%00000101
|
||||
asl
|
||||
sta dumy
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; timer 1 IRQ routine - check mouse
|
||||
|
||||
t1_vec: tya
|
||||
pha
|
||||
txa
|
||||
pha
|
||||
|
||||
.ifdef DEBUG
|
||||
lda RANDOM
|
||||
sta COLBK ; debug
|
||||
.endif
|
||||
|
||||
lda PORTA
|
||||
tay
|
||||
|
||||
mouse_vec:
|
||||
jsr st_check ; will be modified; won't be ROMmable
|
||||
|
||||
pla
|
||||
tax
|
||||
pla
|
||||
tay
|
||||
pla
|
||||
rti
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; VBI - check mouse limits and display mouse arrow
|
||||
|
||||
vbi: lda mousex
|
||||
cmp xmin
|
||||
bcs ok1 ; xmin <= mousex
|
||||
lda xmin
|
||||
sta mousex
|
||||
|
||||
ok1: lda mousey
|
||||
cmp ymin
|
||||
bcs ok2 ; ymin <= mousey
|
||||
lda ymin
|
||||
sta mousey
|
||||
|
||||
ok2: lda xmax
|
||||
cmp mousex
|
||||
bcs ok3 ; xmax >= mousex
|
||||
lda xmax
|
||||
sta mousex
|
||||
|
||||
ok3: lda ymax
|
||||
cmp mousey
|
||||
bcs ok4 ; ymax >= mousey
|
||||
lda ymax
|
||||
sta mousey
|
||||
|
||||
ok4: jsr clrpm
|
||||
|
||||
lda mouse_off
|
||||
beq mon
|
||||
lda #0
|
||||
sta HPOSP0
|
||||
beq moff
|
||||
|
||||
mon: jsr drwpm
|
||||
lda mousey
|
||||
sta omy
|
||||
|
||||
lda #3
|
||||
moff: sta GRACTL
|
||||
|
||||
vbi_jmp:
|
||||
jmp SYSVBV ; will be modified; won't be ROMmable
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; initialize mouse pm
|
||||
|
||||
pminit: lda mouse_pm0
|
||||
sta mpatch1+2
|
||||
sta mpatch2+2
|
||||
sta mpatch3+2
|
||||
|
||||
ldx #0
|
||||
txa
|
||||
mpatch1:
|
||||
clpm: sta $1000,x ; will be patched
|
||||
inx
|
||||
bne clpm
|
||||
|
||||
lda mouse_pm0
|
||||
sec
|
||||
sbc #4
|
||||
sta PMBASE
|
||||
|
||||
lda #62
|
||||
sta SDMCTL
|
||||
|
||||
lda #1
|
||||
sta GPRIOR
|
||||
|
||||
lda #0
|
||||
sta PCOLR0
|
||||
sta SIZEP0
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; draw new mouse pm
|
||||
|
||||
drwpm: lda mousex
|
||||
sta HPOSP0
|
||||
|
||||
lda mousey
|
||||
tax
|
||||
|
||||
ldy #0
|
||||
fmp2: lda mskpm,y
|
||||
mpatch2:
|
||||
sta $1000,x ; will be patched
|
||||
inx
|
||||
iny
|
||||
cpy #pmsize
|
||||
bne fmp2
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
; clear old mouse pm
|
||||
|
||||
clrpm: lda omy
|
||||
tax
|
||||
|
||||
ldy #0
|
||||
tya
|
||||
mpatch3:
|
||||
fmp1: sta $1000,x ; will be patched
|
||||
inx
|
||||
iny
|
||||
cpy #pmsize
|
||||
bne fmp1
|
||||
rts
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
.rodata
|
||||
|
||||
; mouse arrow - pm shape
|
||||
|
||||
mskpm: .byte %00000000
|
||||
.byte %10000000
|
||||
.byte %11000000
|
||||
.byte %11000000
|
||||
|
||||
.byte %11100000
|
||||
.byte %11100000
|
||||
.byte %11110000
|
||||
.byte %11100000
|
||||
|
||||
.byte %11100000
|
||||
.byte %00100000
|
||||
.byte %00100000
|
||||
.byte %00110000
|
||||
|
||||
.byte %00110000
|
||||
.byte %00000000
|
||||
.byte %00000000
|
||||
.byte %00000000
|
||||
|
||||
; ST mouse lookup table
|
||||
|
||||
sttab: .byte $FF,$01,$00,$01
|
||||
.byte $00,$FF,$00,$01
|
||||
.byte $01,$00,$FF,$00
|
||||
.byte $01,$00,$01,$FF
|
||||
|
||||
; Amiga mouse lookup table
|
||||
|
||||
amitab: .byte $FF,$01,$00,$FF
|
||||
.byte $00,$FF,$FF,$01
|
||||
.byte $01,$FF,$FF,$00
|
||||
.byte $FF,$00,$01,$FF
|
||||
|
||||
; Device vectors
|
||||
|
||||
lvectab:
|
||||
.byte <trak_check, <st_check, <amiga_check
|
||||
hvectab:
|
||||
.byte >trak_check, >st_check, >amiga_check
|
||||
|
||||
; default values
|
||||
|
||||
xmin: .byte defxmin
|
||||
ymin: .byte defymin
|
||||
xmax: .byte defxmax
|
||||
ymax: .byte defymax
|
||||
|
||||
mousex: .byte xinit
|
||||
mousey: .byte yinit
|
||||
|
||||
;--------------------------------------------------------------------
|
||||
.bss
|
||||
|
||||
; Misc. vars
|
||||
|
||||
old_t1: .res 2 ; old timer interrupt vector
|
||||
oldval: .res 1 ; used by trakball routines
|
||||
dumx: .res 1
|
||||
dumy: .res 1
|
||||
omy: .res 1 ; old y pos
|
||||
|
||||
mouse_off:
|
||||
.res 1
|
||||
mouse_pm0:
|
||||
.res 1
|
22
libsrc/atari/mouse_stat_stddrv.s
Normal file
22
libsrc/atari/mouse_stat_stddrv.s
Normal file
@ -0,0 +1,22 @@
|
||||
;
|
||||
; Address of the static standard mouse driver
|
||||
;
|
||||
; Christian Groessler, 2014-01-02
|
||||
;
|
||||
; const void mouse_static_stddrv[];
|
||||
;
|
||||
|
||||
.export _mouse_static_stddrv
|
||||
.ifdef __ATARIXL__
|
||||
.import _atrxst_mou
|
||||
.else
|
||||
.import _atrst_mou
|
||||
.endif
|
||||
|
||||
.rodata
|
||||
|
||||
.ifdef __ATARIXL__
|
||||
_mouse_static_stddrv := _atrxst_mou
|
||||
.else
|
||||
_mouse_static_stddrv := _atrst_mou
|
||||
.endif
|
18
libsrc/atari/mouse_stddrv.s
Normal file
18
libsrc/atari/mouse_stddrv.s
Normal file
@ -0,0 +1,18 @@
|
||||
;
|
||||
; Name of the standard mouse driver
|
||||
;
|
||||
; Christian Groessler, 2014-01-02
|
||||
;
|
||||
; const char mouse_stddrv[];
|
||||
;
|
||||
|
||||
.export _mouse_stddrv
|
||||
|
||||
.rodata
|
||||
|
||||
_mouse_stddrv:
|
||||
.ifdef __ATARIXL__
|
||||
.asciiz "ATRXST.MOU"
|
||||
.else
|
||||
.asciiz "ATRST.MOU"
|
||||
.endif
|
@ -6,7 +6,7 @@
|
||||
; uses tmp4
|
||||
|
||||
.importzp tmp4
|
||||
.export mul40
|
||||
.export mul40,loc_tmp
|
||||
|
||||
.proc mul40
|
||||
|
||||
|
81
libsrc/atari/shadow_ram_timerirq1.s
Normal file
81
libsrc/atari/shadow_ram_timerirq1.s
Normal file
@ -0,0 +1,81 @@
|
||||
;
|
||||
; Atari XL shadow RAM timer IRQ #1 handler
|
||||
;
|
||||
; Christian Groessler, chris@groessler.org, 2014
|
||||
;
|
||||
|
||||
;DEBUG = 1
|
||||
|
||||
.ifdef __ATARIXL__
|
||||
|
||||
SHRAM_HANDLERS = 1
|
||||
.include "atari.inc"
|
||||
.include "romswitch.inc"
|
||||
.export set_VTIMR1_handler
|
||||
|
||||
|
||||
.segment "LOWBSS"
|
||||
|
||||
VTIMR1_handler: .res 3
|
||||
|
||||
|
||||
.segment "BSS"
|
||||
|
||||
old_VTIMR1_handler:
|
||||
.res 2
|
||||
|
||||
|
||||
.segment "LOWCODE"
|
||||
|
||||
; timer interrupt handler:
|
||||
; disable ROM, call user handler, enable ROM again
|
||||
|
||||
my_VTIMR1_handler:
|
||||
disable_rom_quick
|
||||
jsr VTIMR1_handler
|
||||
enable_rom_quick
|
||||
pla
|
||||
rti
|
||||
|
||||
.segment "CODE"
|
||||
|
||||
; install or remove VTIMR1 handler
|
||||
; input: CF - 0/1 for remove/install handler
|
||||
; AX - pointer to handler (if CF=1)
|
||||
; registers destroyed
|
||||
|
||||
set_VTIMR1_handler:
|
||||
|
||||
bcc @remove
|
||||
|
||||
; install vector
|
||||
|
||||
stx VTIMR1_handler+2
|
||||
sta VTIMR1_handler+1 ; save passed vector in low memory
|
||||
lda #$4C ; "JMP" opcode
|
||||
sta VTIMR1_handler
|
||||
|
||||
lda VTIMR1
|
||||
sta old_VTIMR1_handler
|
||||
lda VTIMR1+1
|
||||
sta old_VTIMR1_handler+1
|
||||
|
||||
lda #<my_VTIMR1_handler
|
||||
php
|
||||
sei
|
||||
sta VTIMR1
|
||||
lda #>my_VTIMR1_handler
|
||||
sta VTIMR1+1
|
||||
plp
|
||||
rts
|
||||
|
||||
@remove: php
|
||||
sei
|
||||
lda old_VTIMR1_handler
|
||||
sta VTIMR1
|
||||
lda old_VTIMR1_handler+1
|
||||
sta VTIMR1+1
|
||||
plp
|
||||
rts
|
||||
|
||||
.endif ; .ifdef __ATARIXL__
|
Loading…
Reference in New Issue
Block a user