; Test driver to exercise graphics routines. REL DSK MAINSEG use Locator.Macs use Load.Macs use Mem.Macs use Misc.Macs use Util.Macs use EDS.GSOS.Macs use GTE.Macs mx %00 tiledata EXT ; tileset buffer TileSetPalette EXT ; Keycodes LEFT_ARROW equ $08 RIGHT_ARROW equ $15 UP_ARROW equ $0B DOWN_ARROW equ $0A ; Direct page space MyUserId equ 0 BankLoad equ 2 StartX equ 4 StartY equ 6 TileMapWidth equ 8 TileMapHeight equ 10 ScreenWidth equ 12 ScreenHeight equ 14 MaxGlobalX equ 16 MaxGlobalY equ 18 MaxBG0X equ 20 MaxBG0Y equ 22 OldOneSecondCounter equ 26 appTmp0 equ 28 appTmp1 equ 30 appTmp2 equ 32 phk plb sta MyUserId ; GS/OS passes the memory manager user ID for the application into the program tdc sta MyDirectPage ; Keep a copy for the overlay callback _MTStartUp ; GTE requires the miscellaneous toolset to be running lda #ENGINE_MODE_TWO_LAYER+ENGINE_MODE_DYN_TILES jsr GTEStartUp ; Load and install the GTE User Tool ; Initialize local variables stz StartX stz StartY stz frameCount ; Initialize the graphics screen playfield pea #320 pea #200 _GTESetScreenMode ; Load a tileset pea #^tiledata pea #tiledata _GTELoadTileSet pea $0000 pea #^TileSetPalette pea #TileSetPalette _GTESetPalette ; Set up our level data jsr BG0SetUp jsr SetLimits jsr AllocBank ; Alloc 64KB for Load/Unpack sta BankLoad ; Store "Bank Pointer" ldx #BG1DataFile ; Load the background file into the bank jsr LoadFile pea #164 ; Fill everything pea #200 pea #256 lda BankLoad pha pea $0000 pea $0000 ; default flags _GTECopyPicToBG1 lda #193 ; Tile ID of '0' jsr InitOverlay ; Initialize the status bar pha _GTEGetSeconds pla sta OldOneSecondCounter jsr UdtOverlay ; Set up a very specific test. First, we draw a sprite into the sprite plane, and then ; leave it alone. We are just testing the ability to merge sprite plane data into ; the play field tiles. EvtLoop pha _GTEReadControl pla jsr HandleKeys ; Do the generic key handlers bcs :do_more brl :do_render :do_more cmp #'d' bne :not_d lda StartX cmp MaxBG0X bcc *+5 brl :do_render inc StartX pei StartX pei StartY _GTESetBG0Origin brl :do_render :not_d cmp #'a' bne :not_a lda StartX bne *+5 brl :do_render dec StartX pei StartX pei StartY _GTESetBG0Origin brl :do_render :not_a cmp #'s' bne :not_s lda StartY cmp MaxBG0Y bcs :do_render inc StartY pei StartX pei StartY _GTESetBG0Origin bra :do_render :not_s cmp #'w' bne :not_w lda StartY beq :do_render dec StartY pei StartX pei StartY _GTESetBG0Origin bra :do_render :not_w :do_render lda StartX lsr pha lda StartY lsr pha _GTESetBG1Origin pea $0000 _GTERender ; Update the performance counters inc frameCount pha _GTEGetSeconds pla cmp OldOneSecondCounter beq :noudt sta OldOneSecondCounter jsr UdtOverlay stz frameCount :noudt brl EvtLoop ; Exit code Exit _GTEShutDown Quit _QuitGS qtRec bcs Fatal Fatal brk $00 qtRec adrl $0000 da $00 ; Color palette MyDirectPage ds 2 SetLimits pha ; Allocate space for width (in tiles), height (in tiles), pointer pha pha pha _GTEGetBG0TileMapInfo pla sta TileMapWidth pla sta TileMapHeight pla pla ; discard the pointer pha ; Allocate space for x, y, width, height pha pha pha _GTEGetScreenInfo pla pla ; Discard screen corner pla sta ScreenWidth pla sta ScreenHeight lda TileMapWidth asl asl sta MaxGlobalX sec sbc ScreenWidth sta MaxBG0X lda TileMapHeight asl asl asl sta MaxGlobalY sec sbc ScreenHeight sta MaxBG0Y ; Check if the current StartX and StartY are out of bounds lda StartX cmp MaxBG0X bcc :x_ok lda MaxBG0X :x_ok pha lda StartY cmp MaxBG0Y bcc :y_ok lda MaxBG0Y :y_ok pha _GTESetBG0Origin rts ; Load a binary file in the BG1 buffer DoLoadBG1 lda BankLoad ldx #BG1DataFile jsr LoadFile ; ldx BankLoad ; lda #0 ; ldy BG1DataBank ; jsl CopyBinToBG1 pea #256 ; fill the whole buffer pea #208 pei BankLoad pea $0008 ; skip header _GTECopyPicToBG1 rts BG1DataFile strl '1/bg1.bin' frameCount equ 24 PUT ../StartUp.s PUT ../../shell/Overlay.s PUT gen/App.TileMapBG0.s