mirror of
https://github.com/cc65/cc65.git
synced 2025-02-04 13:32:54 +00:00
Added joystick and tgi driver by Karri Kaksonen
git-svn-id: svn://svn.cc65.org/cc65/trunk@3246 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
parent
d7c36aad43
commit
4964382c67
@ -264,6 +264,8 @@ lynxlib:
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$(AR) a lynx.lib $$i/*.o;\
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done
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mv lynx/crt0.o lynx.o
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cp lynx/*.joy .
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cp lynx/*.tgi .
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#-----------------------------------------------------------------------------
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# NES
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@ -41,13 +41,13 @@ OBJS = crt0.o \
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EMDS =
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JOYS =
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JOYS = lynx-stdjoy.joy
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MOUS =
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SERS =
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TGIS =
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TGIS = lynx-160-102-16.tgi
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#--------------------------------------------------------------------------
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# Targets
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549
libsrc/lynx/lynx-160-102-16.s
Normal file
549
libsrc/lynx/lynx-160-102-16.s
Normal file
@ -0,0 +1,549 @@
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;
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; Graphics driver for the 160x102x16 mode on the Lynx.
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;
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; Based on Stephen L. Judds GRLIB code
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;
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.include "zeropage.inc"
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.include "tgi-kernel.inc"
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.include "tgi-mode.inc"
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.include "tgi-error.inc"
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.include "lynx.inc"
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.macpack generic
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; ------------------------------------------------------------------------
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; Header. Includes jump table and constants.
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.segment "JUMPTABLE"
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; First part of the header is a structure that has a magic and defines the
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; capabilities of the driver
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.byte $74, $67, $69 ; "tgi"
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.byte TGI_API_VERSION ; TGI API version number
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.word 160 ; X resolution
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.word 102 ; Y resolution
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.byte 16 ; Number of drawing colors
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.byte 1 ; Number of screens available
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.byte 8 ; System font X size
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.byte 8 ; System font Y size
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.res 4, $00 ; Reserved for future extensions
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; Next comes the jump table. Currently all entries must be valid and may point
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; to an RTS for test versions (function not implemented). A future version may
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; allow for emulation: In this case the vector will be zero. Emulation means
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; that the graphics kernel will emulate the function by using lower level
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; primitives - for example ploting a line by using calls to SETPIXEL.
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.word INSTALL
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.word UNINSTALL
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.word INIT
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.word DONE
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.word GETERROR
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.word CONTROL
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.word CLEAR
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.word SETVIEWPAGE
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.word SETDRAWPAGE
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.word SETCOLOR
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.word SETPALETTE
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.word GETPALETTE
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.word GETDEFPALETTE
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.word SETPIXEL
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.word GETPIXEL
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.word LINE
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.word BAR
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.word CIRCLE
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.word TEXTSTYLE
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.word OUTTEXT
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; ------------------------------------------------------------------------
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; Data.
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; Variables mapped to the zero page segment variables. Some of these are
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; used for passing parameters to the driver.
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X1 := ptr1
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Y1 := ptr2
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X2 := ptr3
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Y2 := ptr4
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RADIUS := tmp1
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ROW := tmp2 ; Bitmap row...
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COL := tmp3 ; ...and column, both set by PLOT
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TEMP := tmp4
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TEMP2 := sreg
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POINT := regsave
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INRANGE := regsave+2 ; PLOT variable, $00 = coordinates in range
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CHUNK := X2 ; Used in the line routine
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OLDCHUNK := X2+1 ; Dito
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; Absolute variables used in the code
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.bss
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ERROR: .res 1 ; Error code
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DRAWINDEX: .res 1 ; Pen to use for drawing
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VIEWPAGEL: .res 1
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VIEWPAGEH: .res 1
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; INIT/DONE
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OLDD018: .res 1 ; Old register value
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; Line routine stuff
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DX: .res 2
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DY: .res 2
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; Circle routine stuff, overlaid by BAR variables
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X1SAVE:
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CURX: .res 1
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CURY: .res 1
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Y1SAVE:
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BROW: .res 1 ; Bottom row
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TROW: .res 1 ; Top row
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X2SAVE:
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LCOL: .res 1 ; Left column
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RCOL: .res 1 ; Right column
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Y2SAVE:
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CHUNK1: .res 1
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OLDCH1: .res 1
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CHUNK2: .res 1
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OLDCH2: .res 1
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; Text output stuff
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TEXTMAGX: .res 1
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TEXTMAGY: .res 1
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TEXTDIR: .res 1
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; Constants and tables
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.rodata
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DEFPALETTE: .byte >$000
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.byte >$007
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.byte >$070
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.byte >$700
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.byte >$077
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.byte >$770
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.byte >$707
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.byte >$777
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.byte >$333
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.byte >$00F
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.byte >$0F0
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.byte >$F00
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.byte >$0FF
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.byte >$FF0
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.byte >$F0F
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.byte >$FFF
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.byte <$000
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.byte <$007
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.byte <$070
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.byte <$700
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.byte <$077
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.byte <$770
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.byte <$707
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.byte <$777
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.byte <$333
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.byte <$00F
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.byte <$0F0
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.byte <$F00
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.byte <$0FF
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.byte <$FF0
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.byte <$F0F
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.byte <$FFF
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PALETTESIZE = * - DEFPALETTE
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BITTAB: .byte $80,$40,$20,$10,$08,$04,$02,$01
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BITCHUNK: .byte $FF,$7F,$3F,$1F,$0F,$07,$03,$01
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VBASE = $E000 ; Video memory base address
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CBASE = $D000 ; Color memory base address
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.code
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; ------------------------------------------------------------------------
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; INSTALL routine. Is called after the driver is loaded into memory. May
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; initialize anything that has to be done just once. Is probably empty
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; most of the time.
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;
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; Must set an error code: NO
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;
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INSTALL:
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rts
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; ------------------------------------------------------------------------
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; UNINSTALL routine. Is called before the driver is removed from memory. May
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; clean up anything done by INSTALL but is probably empty most of the time.
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;
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; Must set an error code: NO
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;
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UNINSTALL:
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rts
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; ------------------------------------------------------------------------
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; INIT: Changes an already installed device from text mode to graphics
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; mode.
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; Note that INIT/DONE may be called multiple times while the driver
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; is loaded, while INSTALL is only called once, so any code that is needed
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; to initializes variables and so on must go here. Setting palette and
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; clearing the screen is not needed because this is called by the graphics
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; kernel later.
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; The graphics kernel will never call INIT when a graphics mode is already
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; active, so there is no need to protect against that.
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;
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; Must set an error code: YES
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;
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INIT:
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; Done, reset the error code
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lda #TGI_ERR_OK
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sta ERROR
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rts
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; ------------------------------------------------------------------------
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; DONE: Will be called to switch the graphics device back into text mode.
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; The graphics kernel will never call DONE when no graphics mode is active,
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; so there is no need to protect against that.
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;
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; Must set an error code: NO
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;
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DONE:
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rts
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; ------------------------------------------------------------------------
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; GETERROR: Return the error code in A and clear it.
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GETERROR:
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ldx #TGI_ERR_OK
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lda ERROR
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stx ERROR
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rts
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; ------------------------------------------------------------------------
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; CONTROL: Platform/driver specific entry point.
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;
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; Must set an error code: YES
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;
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CONTROL:
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lda #TGI_ERR_INV_FUNC
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sta ERROR
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rts
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; ------------------------------------------------------------------------
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; CLEAR: Clears the screen.
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;
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; Must set an error code: NO
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;
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.rodata
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pixel_bitmap:
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.byte 3,%10000100,%00000000, $0 ; A pixel bitmap
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cls_sprite:
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.byte %00000001 ; A pixel sprite
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.byte %00010000
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.byte %00100000
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.addr 0,pixel_bitmap
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.word 0
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.word 0
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.word $a000 ; 160
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.word $6600 ; 102
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.byte $00
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.code
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CLEAR: lda #<cls_sprite
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ldx #>cls_sprite
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draw_sprite:
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sta $fc10
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stx $fc11
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lda #1
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sta $fc91
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stz $fd90
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@L3: stz CPUSLEEP
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lda $fc92
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lsr
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bcs @L3
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stz $fd90
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rts
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; ------------------------------------------------------------------------
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; SETVIEWPAGE: Set the visible page. Called with the new page in A (0..n).
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; The page number is already checked to be valid by the graphics kernel.
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;
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; Must set an error code: NO (will only be called if page ok)
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;
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SETVIEWPAGE:
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beq @L1
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lda #<$fe00-8160-8160
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ldx #>$fe00-8160-8160
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bra @L2
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@L1: lda #<$fe00-8160
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ldx #>$fe00-8160
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@L2: sta DISPADRL ; $FD94
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sta VIEWPAGEL
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stx DISPADRH ; $FD95
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sta VIEWPAGEH
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rts
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; ------------------------------------------------------------------------
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; SETDRAWPAGE: Set the drawable page. Called with the new page in A (0..n).
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; The page number is already checked to be valid by the graphics kernel.
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;
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; Must set an error code: NO (will only be called if page ok)
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;
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SETDRAWPAGE:
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beq @L1
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lda #<$fe00-8160-8160
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ldx #>$fe00-8160-8160
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bra @L2
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@L1: lda #<$fe00-8160
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ldx #>$fe00-8160
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@L2: sta VIDBASL ; $FD94
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stx VIDBASH ; $FD95
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rts
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; ------------------------------------------------------------------------
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; SETCOLOR: Set the drawing color (in A). The new color is already checked
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; to be in a valid range (0..maxcolor-1).
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;
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; Must set an error code: NO (will only be called if color ok)
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;
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SETCOLOR:
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sta DRAWINDEX
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rts
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; ------------------------------------------------------------------------
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; SETPALETTE: Set the palette (not available with all drivers/hardware).
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; A pointer to the palette is passed in ptr1. Must set an error if palettes
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; are not supported
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;
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; Must set an error code: YES
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;
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SETPALETTE:
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ldy #31
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@L1: lda (ptr1),y
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sta GCOLMAP,y ; $FDA0
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dey
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bpl @L1
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; Done, reset the error code
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lda #TGI_ERR_OK
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sta ERROR
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rts
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; ------------------------------------------------------------------------
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; GETPALETTE: Return the current palette in A/X. Even drivers that cannot
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; set the palette should return the default palette here, so there's no
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; way for this function to fail.
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;
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; Must set an error code: NO
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;
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GETPALETTE:
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lda #<GCOLMAP ; $FDA0
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ldx #>GCOLMAP
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rts
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; ------------------------------------------------------------------------
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; GETDEFPALETTE: Return the default palette for the driver in A/X. All
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; drivers should return something reasonable here, even drivers that don't
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; support palettes, otherwise the caller has no way to determine the colors
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; of the (not changeable) palette.
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;
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; Must set an error code: NO (all drivers must have a default palette)
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;
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GETDEFPALETTE:
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lda #<DEFPALETTE
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ldx #>DEFPALETTE
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rts
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; ------------------------------------------------------------------------
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; SETPIXEL: Draw one pixel at X1/Y1 = ptr1/ptr2 with the current drawing
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; color. The coordinates passed to this function are never outside the
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; visible screen area, so there is no need for clipping inside this function.
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;
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; Must set an error code: NO
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;
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.data
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pixel_sprite:
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.byte %00000001 ; A pixel sprite
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.byte %00010000
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.byte %00100000
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.addr 0,pixel_bitmap
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pix_x: .word 0
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pix_y: .word 0
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.word $0100
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.word $0100
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pix_c: .byte $00
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.code
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SETPIXEL:
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lda X1
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sta pix_x
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lda Y1
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sta pix_y
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lda DRAWINDEX
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sta pix_c
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lda #<pixel_sprite
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ldx #>pixel_sprite
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jmp draw_sprite
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; ------------------------------------------------------------------------
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; GETPIXEL: Read the color value of a pixel and return it in A/X. The
|
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; coordinates passed to this function are never outside the visible screen
|
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; area, so there is no need for clipping inside this function.
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GETPIXEL:
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lda Y1
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sta MATHD ; Hardware multiply
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stz MATHC
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lda #80
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sta MATHB
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stz MATHA
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lda X1
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lsr A
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php
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tay
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clc
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lda VIEWPAGEL
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adc MATHH
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sta ptr1
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lda VIEWPAGEH
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adc MATHG
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sta ptr1+1
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ldx #0
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lda (ptr1),y
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plp
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bcc @L1
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and #$f
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rts
|
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|
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@L1: lsr A
|
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lsr A
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lsr A
|
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lsr A
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rts
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; ------------------------------------------------------------------------
|
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; LINE: Draw a line from X1/Y1 to X2/Y2, where X1/Y1 = ptr1/ptr2 and
|
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; X2/Y2 = ptr3/ptr4 using the current drawing color.
|
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;
|
||||
; To deal with off-screen coordinates, the current row
|
||||
; and column (40x25) is kept track of. These are set
|
||||
; negative when the point is off the screen, and made
|
||||
; positive when the point is within the visible screen.
|
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;
|
||||
; X1,X2 etc. are set up above (x2=LINNUM in particular)
|
||||
; Format is LINE x2,y2,x1,y1
|
||||
;
|
||||
; Must set an error code: NO
|
||||
;
|
||||
|
||||
LINE:
|
||||
rts
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; BAR: Draw a filled rectangle with the corners X1/Y1, X2/Y2, where
|
||||
; X1/Y1 = ptr1/ptr2 and X2/Y2 = ptr3/ptr4 using the current drawing color.
|
||||
; Contrary to most other functions, the graphics kernel will sort and clip
|
||||
; the coordinates before calling the driver, so on entry the following
|
||||
; conditions are valid:
|
||||
; X1 <= X2
|
||||
; Y1 <= Y2
|
||||
; (X1 >= 0) && (X1 < XRES)
|
||||
; (X2 >= 0) && (X2 < XRES)
|
||||
; (Y1 >= 0) && (Y1 < YRES)
|
||||
; (Y2 >= 0) && (Y2 < YRES)
|
||||
;
|
||||
; Must set an error code: NO
|
||||
;
|
||||
|
||||
.data
|
||||
bar_sprite:
|
||||
.byte %00000001 ; A pixel sprite
|
||||
.byte %00010000
|
||||
.byte %00100000
|
||||
.addr 0,pixel_bitmap
|
||||
bar_x: .word 0
|
||||
bar_y: .word 0
|
||||
bar_sx: .word $0100
|
||||
bar_sy: .word $0100
|
||||
bar_c: .byte $00
|
||||
|
||||
.code
|
||||
BAR: lda X1
|
||||
sta bar_x
|
||||
lda Y1
|
||||
sta bar_y
|
||||
lda X2
|
||||
sec
|
||||
sbc X1
|
||||
sta bar_sx+1
|
||||
lda Y2
|
||||
sec
|
||||
sbc Y1
|
||||
sta bar_sy+1
|
||||
lda DRAWINDEX
|
||||
sta bar_c
|
||||
lda #<bar_sprite
|
||||
ldx #>bar_sprite
|
||||
jmp draw_sprite
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; CIRCLE: Draw a circle around the center X1/Y1 (= ptr1/ptr2) with the
|
||||
; radius in tmp1 and the current drawing color.
|
||||
;
|
||||
; Must set an error code: NO
|
||||
;
|
||||
|
||||
CIRCLE:
|
||||
rts
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; TEXTSTYLE: Set the style used when calling OUTTEXT. Text scaling in X and Y
|
||||
; direction is passend in X/Y, the text direction is passed in A.
|
||||
;
|
||||
; Must set an error code: NO
|
||||
;
|
||||
|
||||
TEXTSTYLE:
|
||||
stx TEXTMAGX
|
||||
sty TEXTMAGY
|
||||
sta TEXTDIR
|
||||
rts
|
||||
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; OUTTEXT: Output text at X/Y = ptr1/ptr2 using the current color and the
|
||||
; current text style. The text to output is given as a zero terminated
|
||||
; string with address in ptr3.
|
||||
;
|
||||
; Must set an error code: NO
|
||||
;
|
||||
|
||||
OUTTEXT:
|
||||
rts
|
||||
|
||||
97
libsrc/lynx/lynx-stdjoy.s
Normal file
97
libsrc/lynx/lynx-stdjoy.s
Normal file
@ -0,0 +1,97 @@
|
||||
;
|
||||
; Standard joystick driver for the Atari Lynx.
|
||||
; The Lynx has two fire buttons. So it is not quite "standard".
|
||||
;
|
||||
; Modified by Karri Kaksonen, 2004-09-16
|
||||
; Ullrich von Bassewitz, 2002-12-20
|
||||
; Using code from Steve Schmidtke
|
||||
;
|
||||
|
||||
.include "zeropage.inc"
|
||||
|
||||
.include "joy-kernel.inc"
|
||||
.include "joy-error.inc"
|
||||
.include "lynx.inc"
|
||||
|
||||
.macpack generic
|
||||
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; Header. Includes jump table
|
||||
|
||||
.segment "JUMPTABLE"
|
||||
|
||||
; Driver signature
|
||||
|
||||
.byte $6A, $6F, $79 ; "joy"
|
||||
.byte JOY_API_VERSION ; Driver API version number
|
||||
|
||||
; Button state masks (8 values)
|
||||
|
||||
.byte $80 ; JOY_UP
|
||||
.byte $40 ; JOY_DOWN
|
||||
.byte $20 ; JOY_LEFT
|
||||
.byte $10 ; JOY_RIGHT
|
||||
.byte $01 ; JOY_FIRE
|
||||
.byte $02 ; JOY_FIRE1
|
||||
.byte $00 ;
|
||||
.byte $00 ;
|
||||
|
||||
; Jump table.
|
||||
|
||||
.word INSTALL
|
||||
.word UNINSTALL
|
||||
.word COUNT
|
||||
.word READ
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; Constants
|
||||
|
||||
JOY_COUNT = 1 ; Number of joysticks we support
|
||||
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; Data.
|
||||
|
||||
|
||||
.code
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; INSTALL routine. Is called after the driver is loaded into memory. If
|
||||
; possible, check if the hardware is present and determine the amount of
|
||||
; memory available.
|
||||
; Must return an JOY_ERR_xx code in a/x.
|
||||
;
|
||||
|
||||
INSTALL:
|
||||
lda #<JOY_ERR_OK
|
||||
ldx #>JOY_ERR_OK
|
||||
; rts ; Run into UNINSTALL instead
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; UNINSTALL routine. Is called before the driver is removed from memory.
|
||||
; Can do cleanup or whatever. Must not return anything.
|
||||
;
|
||||
|
||||
UNINSTALL:
|
||||
rts
|
||||
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; COUNT: Return the total number of available joysticks in a/x.
|
||||
;
|
||||
|
||||
COUNT:
|
||||
lda #<JOY_COUNT
|
||||
ldx #>JOY_COUNT
|
||||
rts
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; READ: Read a particular joystick passed in A.
|
||||
|
||||
READ:
|
||||
ldx #$00 ; Clear high byte
|
||||
lda JOYSTICK ; Read joystick
|
||||
rts
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user