136 lines
3.8 KiB
Plaintext
136 lines
3.8 KiB
Plaintext
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**************************************************************
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*
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* Software:
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* Initiated: 9/3/93
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*
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* COPYRIGHT (C) 1992 WILLIAMS ELECTRONICS GAMES, INC.
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*
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**************************************************************
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.globl OFREE,OBJLST,BAKLST,DISPLAYON,SCRNRELV
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.globl GETOBJ,INSOBJ,DELOBJ,DELOBJA8
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.globl DISPLAY,OBJSTR
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.globl ANI,SCRTST,SCRTSTG,GANIOF,DELBOBJ
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.globl INSBOBJ,KILBOBJ
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.globl PULLBOBJ,PULLOBJ,GANISAG
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.globl QDMA,QDMAN,GETANIXY
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.globl obj_addworldxy
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.globl SCROLLX,SCROLLY,WORLDTLX,WORLDTLY,WORLDTL
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.globl SCRNTL,SCRNLR,GSCRNREL,ADJNEWTL
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.globl OBJSTR,SCREENTL,SCREENLR,DMAQCUR
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.globl dpage,dtype
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.globl dmaq0cnt,dmaq1cnt,dmaq0flg,dmaq1flg
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.globl dmaq0,dmaq1
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.globl STOPOBJS
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.globl FREEOBJ,EXISTOBJ
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.globl ISOBJ
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.globl BEGINOBJW,BEGINOBJ
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.globl BEGINOBJWP,BEGINOBJP
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.globl obj_delc,obj_del1c,obj_aniq,obj_aniq_cnoff
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.globl obj_aniq_scld
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.globl DELOBJDIE,FRQDELDIE
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.globl scrn_scaleininit,scrn_scalein,scrn_scaleout
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.globl display_blank,display_unblank
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.globl display_2dsclmodeon,display_2dsclstarmodeon
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*CONSTANTS
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SCRNXP equ 56 ;Left X padding in bitmap
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SCRNST equ [0,-32] ;Top left of screen
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SCRNEND equ [254,432] ;Bottom right of screen
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SCRNMID equ [128,200] ;Midpoint of screen
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PAGE1YO equ 256 ;2nd page Y offset
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TSEC equ 53 ;Ticks per second
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;HEBLNKINIT equ 32h ;Initial value for register
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HEBLNKINIT equ 65h ;Initial value for register
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OWSPD equ 18 ;Open window speed
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OWSPD2 equ 25
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CWSPD equ 40 ;Close win speed
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RING_X_MID equ 1024
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SCALETSIZE equ 40*4*16
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*STRUCT OBJ
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OLINK equ 000 ;UHL *next object block
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OXVEL equ 020h ;UHL X velocity 16:16
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OYVEL equ 040h ;UHL Y velocity 16:16
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OZVEL equ 060h ;UHL Z velocity 16:16
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OXVAL equ 080h ;UHL X position 16:16
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OXFRAC equ 080h ; X pos fraction
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OXPOS equ 090h ; X pos integer
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OYVAL equ 0a0h ;UHL Y position 16:16
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OYFRAC equ 0a0h ; Y pos frac
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OYPOS equ 0b0h ; Y pos int
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OZVAL equ 0c0h ;UHL Z position 16:16
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OZPOS equ 0d0h ; Z pos int
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OFLAGS equ 0e0h ;UHW Mode flags
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OCTRL equ 0f0h ;UHW DMA control
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OFSET equ 100h ;UHW Offset
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OSAG equ 110h ;UHL *Image data
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OSIZE equ 130h ;
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OSIZEX equ 130h ;UHW X size
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OSIZEY equ 140h ;UHW Y size
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OPAL equ 150h ;UHW Palette #
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OCONST equ 160h ;UHW Constant color
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OIMG equ 170h ;UHL *Image header
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OID equ 190h ;UHW Object ID
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OPLINK equ 1a0h ;UHL *Process
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ODATA_p equ 1c0h ;UHL *Scale table if scaled obj
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OXANI equ 1e0h ;SHL X scaled animation pt 16:16
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OMISC equ 210h ;UHW Misc data (3D mode Z offset)
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ODOFF equ 220h ;
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ODXOFF equ 220h ;SDW display x offset
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ODYOFF equ 230h ;SDW display y offset
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OSCALE EQU 240H ;UHL scale this object (set to 100% in BEGINOBJ)
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OBSIZ equ 260h
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*ENDSTRUCT
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NOBJ equ 350 ;Total # objects
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BQCELL equ 0c0h ;Size of DMA queue element
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;Values for OFLAGS & OCTRL
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M_WRZERO equ 1 ;Write zero data
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M_WRNONZ equ 2 ;Write non-zero data
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M_CONZER equ 4 ;Replace zero data with constant
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M_CONNON equ 8 ;Replace non-zero data with constant
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M_CONST equ 0ch ;Replace all with constant
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M_FLIPH equ 10h ;Flip horizontally
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M_FLIPV equ 20h ;Flip vertically
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M_3DQ equ 40h ;Display in quick perspective
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M_NODISP equ 80H ;DONT DISPLAY THIS OBJ
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M_3D equ 100h ;Display in perspective using XYZ
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M_SHAD equ 200h ;Shadow
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M_PIXSCAN equ 400h ;Pixel scan on
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M_NOCOLL equ 800h ;Collisions off
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M_NOSCALE equ 1000h ;3D scaling off
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M_SCRNREL equ 2000h ;Screen relative XY on
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M_BOBJ equ 4000h ;background object (special flip)
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;OFLAGS/OCTRL bits
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B_WRZERO equ 0
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B_WRNONZ equ 1
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B_CONZER equ 2
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B_CONNON equ 3
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B_FLIPH equ 4
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B_FLIPV equ 5
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B_3DQ equ 6
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B_NODISP equ 7 ;DONT DISPLAY THIS OBJ
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B_3D equ 8
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B_SHAD equ 9
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B_PIXSCAN equ 10
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B_NOCOLL equ 11
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B_NOSCALE equ 12
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B_SCRNREL equ 13
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B_BOBJ equ 14
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******************************************************************************
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