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- ;-------T-------T------------------------T---------------------------------;
- ;HiRes Interlaced Picture Display
- ;--------------------------------
- ;Opens a screen in HIRES and LACED modes. You can even try SuperHiRes
- ;(SHIRES) if you change the appropriate flag in the GameScreen structure.
-
- INCDIR "INCLUDES:"
- INCLUDE "exec/exec_lib.i"
- INCLUDE "games/games_lib.i"
- INCLUDE "games/games.i"
-
- CALL MACRO
- jsr _LVO\1(a6)
- ENDM
-
- SECTION "HiResLaced",CODE
-
- ;===========================================================================;
- ; INITIALISE DEMO
- ;===========================================================================;
-
- Start: MOVEM.L A0-A6/D1-D7,-(SP)
- move.l ($4).w,a6
- lea GMS_Name(pc),a1
- moveq #$00,d0
- CALL OpenLibrary
- move.l d0,GMS_Base
- beq.s .Error_GMS
-
- move.l GMS_Base(pc),a6
- sub.l a0,a0
- CALL SetUserPrefs
-
- lea Screen(pc),a0
- CALL AddScreen
- tst.l d0
- bne.s .Error_Screen
-
- lea Picture(pc),a1
- move.l GS_MemPtr1(a0),PIC_Data(a1)
- CALL LoadPic
- tst.w d0
- bne.s .Error_Picture
-
- move.l PIC_Palette(a1),GS_Palette(a0)
- CALL UpdatePalette
-
- CALL ShowScreen
-
- bsr.s Main
-
- .ReturnToDOS
- move.l GMS_Base(pc),a6
- lea Picture(pc),a1
- CALL FreePic
- .Error_Picture
- move.l GMS_Base(pc),a6
- lea Screen(pc),a0
- CALL DeleteScreen
- .Error_Screen
- move.l GMS_Base(pc),a1
- move.l ($4).w,a6
- CALL CloseLibrary
- .Error_GMS
- MOVEM.L (SP)+,A0-A6/D1-D7
- moveq #$00,d0
- rts
-
- ;===========================================================================;
- ; MAIN LOOP
- ;===========================================================================;
-
- Main: CALL WaitSVBL
- moveq #JPORT1,d0
- CALL ReadMouse
- btst #MB_LMB,d0
- beq.s Main
- rts
-
- ;===========================================================================;
- ; DATA
- ;===========================================================================;
-
- GMS_Name:
- dc.b "games.library",0
- even
- GMS_Base:
- dc.l 0
-
- AMT_PLANES = 4
-
- Screen: dc.l GSV1,0
- dc.l 0,0,0 ;Screen memory 1/2/3.
- dc.l 0 ;Screen link.
- dc.l 0 ;Address of palette.
- dc.l 0 ;Address of rasterlist.
- dc.l 16 ;Amount of colours in palette.
- dc.w 640,256 ;Screen Width and Height.
- dc.w 0,0,0 ;Picture Widths and Height.
- dc.w AMT_PLANES ;Amount of planes.
- dc.w 0,0 ;X/Y screen offset.
- dc.w 0,0 ;X/Y picture offset.
- dc.l CENTRE ;Special attributes.
- dc.w HIRES|COL12BIT|LACED ;Screen mode.
- dc.w ILBM ;Screen type
- even
-
- Picture dc.l PCV1,0 ;Version header.
- dc.l 0 ;Source data.
- dc.w 640,0,256 ;Width, Height.
- dc.w AMT_PLANES ;Amount of Planes.
- dc.l 16 ;Amount of colours.
- dc.l 0 ;Source palette (remap).
- dc.w HIRES|COL12BIT ;Screen mode.
- dc.w ILBM ;Destination
- dc.l GETPALETTE ;Parameters.
- dc.l .File
- .File dc.b "GAMESLIB:data/IFF.Pic640x256",0
- even
-