+++ /dev/null
-TrigPrecalc:
-.db 0, 3, 6, 9, 12, 15, 18, 21
-.db 24, 27, 30, 33, 36, 39, 42, 45
-.db 48, 51, 54, 57, 59, 62, 65, 67
-.db 70, 73, 75, 78, 80, 82, 85, 87
-.db 89, 91, 94, 96, 98, 100, 102, 103
-.db 105, 107, 108, 110, 112, 113, 114, 116
-.db 117, 118, 119, 120, 121, 122, 123, 123
-.db 124, 125, 125, 126, 126, 126, 126, 126
-.db 127
; -WonderWorm--v0.9-
-; by Matthew Shepcar
-; 30th December 1998
+; by Matthew Shepcar 30.XII.98
+; modified by Jonah Cohen 19.XI .99
+; and Shiar 01.XII.99
-; modified by Jonah Cohen 11-19-99
+;to-do:
+; * picks not correctly removed
+; * linkplay
+; * hot pursuit + ctf
+; * ending (+stats after multiplayer)
#include "TI86.inc"
+
.org _asm_exec_ram
+_divHLby10 = $4044
+_getcsc = _getky
+_clrWindow = $4a86
+_runIndicOff = _runindicoff
+_flushAllMenus = _flushallmenus
+_SHRACC = _shracc
+_SHLACC = $438B
+
nop
jp Start
.dw 0,WormMsg
+
Start:
- ld (SpSave),sp
+; ld (SpSave),sp
call _runIndicOff
call _flushAllMenus
call _clrLCD
-;build trig tables
+ ld a,r
+ ld (Seed),a
+ xor a
+ ld (_asapvar+1),a
+
+;-----------------------------
+;----- build trig tables -----
+;-----------------------------
+
ld hl,TrigPrecalc
ld de,SinCosTable
- push de
+ push de ; >> 1
ld bc,65
ldir
dec hl
ld (de),a
inc de
djnz MirrorSineWave
- pop hl
+ pop hl ; << 0k
ld b,128+64
NegativeSineWave:
xor a
inc de
djnz NegativeSineWave
- ld a,r
- ld (Seed),a
+;-----------------------------
+;---------- menu -------------
+;-----------------------------
- ld hl,0
- ld (Score),hl
- ld a,1
- ld (Level),a
- ld a,3
- ld (Lives),a
- ld hl,Levels
+DisplayMenu:
+ call _clrLCD
+ ld hl,txtWelcome
+ call _puts
+ ld hl,txtMenu
+ ld de,$0203
+ ld b,4
+DispMenuLoop:
+ inc de
+ ld (_curRow),de
+ call _puts
+ djnz DispMenuLoop
+
+ ld hl,$0805
+ ld (_curRow),hl
+ ld hl,txtGame
+ call _puts
+
+ xor a
+menudraw:
+ and 3 ;-1>>3; 4>>0
+ push af
+
+ ld h,0
+ add a,4
+ ld l,a
+ ld (_curRow),hl
+ ld a,5 ;arrow
+ call _putc
+
+ ld h,0
+ ld a,1
+Previous =$-1
+ add a,4
+ ld l,a
+ ld (_curRow),hl
+ ld a,' '
+ call _putc
+
+ pop af
+ push af
+ ld (Previous),a
+WKCP:
+ halt \ halt
+ call GET_KEY
+ cp K_EXIT
+ jp z,Exit
+ cp K_ENTER
+ jr z,select
+ cp K_SECOND
+ jr z,select
+ cp K_UP
+ jr nz,notup
+ pop af
+ dec a
+ jr menudraw
+notup:
+ cp K_DOWN
+ jr nz,WKCP
+ pop af
+ inc a
+ jr menudraw
+
+select:
+ pop af
+ ld b,a
+ or a ;1st
+ jr z,ThePartyIsOn
+ dec a ;2nd
+ jr z,Variation
+ dec a ;3rd
+ jp Exit
+
+Variation:
+ ld hl,$0805
+ ld (_curRow),hl
+ ld a,0
+Gametype =$-1
+ ld hl,txtGame2
+NEXTtxtGame =$-2
+ inc a
+ and 3
+ jr nz,okilydokily
+ ld hl,txtGame
+okilydokily:
+ ld (Gametype),a
+ call _puts
+ ld (NEXTtxtGame),hl
+ ld a,b
+ jr menudraw
+
+singleplayer:
+ inc a
+ ld (nrworms),a
+ ld de,LevelsS
+ jr GameOver
+
+ThePartyIsOn:
+ ld a,(Gametype)
+ or a
+ jr z,singleplayer
+ ld a,2
+ ld (nrworms),a
+ ld de,LevelsDM
+
+;-----------------------------
+;--------- game over ---------
+;-----------------------------
+
+GameOver:
+ push de
+ call _clrLCD
+ pop de
+ ld a,1
+ ld (Level),a
+ ld hl,0
+ ld (worm1+score),hl
+ ld (worm2+score),hl
+ ld a,3
+ ld (worm1+lives),a
+ ld (worm2+lives),a
StartLevel:
- ld a,(hl)
- ld (Left),a
- inc hl
- ld a,(hl)
- ld (Speed),a
- inc hl
- ld a,25
+ ld a,(de)
+ ld (Left),a
+ inc de
+ ld a,(de)
+ ld (Speed),a
+ inc de
+ ld a,15
+ ld (worm1+grow),a
+ ld (worm2+grow),a
NextLife:
- ld (GrowAmt),a
- push hl
- ld d,(hl)
+ push de ; >> levelp old
+ ld b,2
+ ld hl,worm1
+
+worminit:
+ push bc ; >> 1
+ ld a,(de)
+ ld (hl),a ;d
+ inc de
inc hl
- ld e,(hl)
+ ld a,SinCosTable/256
+ ld (hl),a
inc hl
- ld a,(hl)
+
+ ld a,(de)
+ ld (hl),a ;y
+ inc de
inc hl
- ld (Heading),a
- push de
- ld a,(hl)
+ ld a,(de)
+ ld (hl),a ;x
+ inc de
inc hl
- sub 128
- ld (FieldWidth),a
- ld a,(hl)
+
+ xor a
+ ld (hl),a ;y2
inc hl
+ ld (hl),a ;x2
+
+ ld bc,20-5
+ add hl,bc
+ pop bc ; << 0k
+ djnz worminit
+
+ ld hl,Worm1
+ ld (worm1+head),hl
+ ld (worm1+tail),hl
+ ld hl,Worm2
+ ld (worm2+head),hl
+ ld (worm2+tail),hl
+
+;-------- draw level ---------
+
+ ld a,(de)
+ inc de
+ sub 128
+ ld (FieldWidth),a
+ ld a,(de)
+ inc de
sub 57
- ld (FieldHeight),a
+ ld (FieldHeight),a
add a,57-5
- push hl
- ld l,a
- ld h,0
+ push de ; >> levelp
+ ld l,a
+ ld h,0
add hl,hl
add hl,hl
add hl,hl
add hl,hl
add hl,hl
- ex de,hl
-
- ld hl,ScrBuffer
- push hl
- push de
- ld de,ScrBuffer+1
- ld bc,63
- ld (hl),%11111111
+ ex de,hl
+
+ ld hl,ScrBuffer
+ push hl ; >> 1
+ push de ; >> 2
+ ld de,ScrBuffer+1
+ ld bc,63
+ ld (hl),%11111111
ldir
inc hl
- ld (hl),%11000000
+ ld (hl),%11000000
inc hl
- ld b,31
+ ld b,31
ClearLine:
- ld (hl),c
+ ld (hl),c
inc hl
djnz ClearLine
- push hl
+ push hl ; >> 3
- ld a,(FieldWidth)
+ ld a,(FieldWidth)
add a,126
- push af
+ push af ; >> 4
and %11111000
rra
rra
rra
- ld l,a
- ld h,0
+ ld l,a
+ ld h,0
add hl,de
- pop af
+ pop af ; << 3
and %00000111
- ld b,a
- ld c,0
- ld a,%11000000
- jr z,NoVertShift
+ ld b,a
+ ld c,0
+ ld a,%11000000
+ jr z,NoVertShift
VertShift:
rra
- rr c
+ rr c
djnz VertShift
NoVertShift:
- ld (hl),a
+ ld (hl),a
inc hl
- ld (hl),c
+ ld (hl),c
- ex de,hl
- pop de
- pop bc
+ ex de,hl
+ pop de ; << 2
+ pop bc ; << 1
ldir
- pop hl
- ld c,64
+ pop hl ; << 0k
+ ld c,64
ldir
- pop hl
+;-draw lines-
- ld a,(hl)
+ pop hl ; << levelp
+ ld a,(hl)
inc hl
- or a
- jr z,NoLines
+ or a
+ jr z,NoLines
DrawLines:
- push af
- ld d,(hl)
+ push af ; >> 1
+ ld d,(hl)
inc hl
- ld e,(hl)
+ ld e,(hl)
inc hl
- ld a,(hl)
+ ld a,(hl)
inc hl
- push hl
- ld l,(hl)
- ld h,a
+ push hl ; >> 2
+ ld l,(hl)
+ ld h,a
call Line
inc d
inc h
dec d
dec h
call Line
- pop hl
+ pop hl ; << 1
inc hl
- pop af
+ pop af ; << 0k
dec a
- jr nz,DrawLines
+ jr nz,DrawLines
NoLines:
- push hl
- ld hl,0
- ld (_penCol),hl
- ld hl,LivesMsg
+;-----------------------------
+
+ push hl ; >> levelp new
+
+ ld hl,0
+ ld (_penCol),hl
+ ld hl,LivesMsg
call _vputs
- ld a,(Lives)
+ ld a,(worm1+lives)
add a,'0'
call _vputmap
- ld a,40
- ld (_penCol),a
+ ld a,40
+ ld (_penCol),a
call _vputs ;scoremsg
- ld a,100
- ld (_penCol),a
+ ld a,100
+ ld (_penCol),a
call _vputs
- ld a,(Left)
+ ld a,1
+Left =$-1
call PutNum
-
+ ld ix,worm1
call PutScore
call NewPea
- pop hl
- pop bc
- push bc
- push hl
+ pop hl ; << levelp new
+ push hl ; >> levelp new
+ ld bc,(worm1+pos)
call DisplayField
- ld hl,LevelMsg
- ld a,7
- push hl
- ld h,a
- ld l,4
- ld (_curRow),hl
- ld hl,0FDE0h
- ld de,0FDE1h
- ld (hl),-1
- ld bc,0BFh
+ ld hl,LevelMsg
+ ld a,7
+ push hl ; >> 1
+ ld h,a
+ ld l,4
+ ld (_curRow),hl
+ ld hl,0FDE0h
+ ld de,0FDE1h
+ ld (hl),-1
+ ld bc,0BFh
ldir
- pop hl
+ pop hl ; << 0k
set 3,(iy+5)
call _puts
- ld a,(Level)
- cp 10
- jr c,LevelBelowTen
- ld l,a
- ld h,0
+ ld a,(Level)
+ cp 10
+ jr c,LevelBelowTen
+ ld l,a
+ ld h,0
call _divHLby10
- push af
- ld a,l
+ push af ; >> 1
+ ld a,l
add a,'0'
call _putc
- pop af
+ pop af ; << 0k
LevelBelowTen:
add a,'0'
call _putc
res 3,(iy+5)
- xor a
+ ld b,0
ReadyDelay:
halt
- dec a
- jr nz,ReadyDelay
+ djnz ReadyDelay
- ld hl,(HeadPos) ;<====NEW
- ld (TailPos),hl
- pop hl
- pop bc
- push hl
- ld de,0
+;-----------------------------
+;----------- LOOP ------------
+;-----------------------------
GameLoop:
+ ld bc,(worm1+pos)
call DisplayField
- ld a,2
+ ld a,0
Speed =$-1
- or a
- jr z,HeadPos-1
+ or a
+ jr z,NoDelay
Delay:
halt
dec a
- jr nz,Delay
-
- ld hl,WormPos
-HeadPos =$-2
- ld (hl),c
- inc hl
- ld (hl),b
- inc hl
- res 2,h ;<====NEW
- ld (HeadPos),hl
+ jr nz,Delay
+NoDelay:
+
+ ld ix,worm1
+ call HandleWorm
+ ld ix,worm2
+ ld a,(nrworms)
+ cp 2
+ call z,HandleWorm
+
+;-----------------------------
+;---------- keys -------------
+;-----------------------------
+
+HandleKeys:
+ ld a,%10111111
+ out (1),a
+ in a,(1)
+ rla
+ jr c,NotPaused
+ ld bc,$0103
+ out (c),b
+ halt
+ ld b,11
+ out (c),b
- ld hl,SinCosTable
-Heading =$-2
+NotPaused:
+ rla
+ jp c,GameLoop
+Exit2pop:
+ pop hl ; << levelp new
+Exit1pop:
+ pop hl ; << levelp old
+ jr Exit
+
+Exit5pop:
+ pop hl
+ pop hl
+ pop hl
+ jr Exit2pop
- ld a,0FEh
- out (1),a
- in a,(1)
+WormDead:
+ pop hl ; << call
+ pop hl ; << levelp new
+ ld hl,(worm1+head)
+ ld de,(worm1+tail)
+ sbc hl,de
+ ld a,l
+ rr h
rra
+ ld (worm1+grow),a
+
+ ld hl,(worm2+head)
+ ld de,(worm2+tail)
+ sbc hl,de
+ ld a,l
+ rr h
rra
- jr c,NotRight
- push af
- ld a,l
+ ld (worm2+grow),a
+
+ ld a,(ix+lives)
+ dec a
+ ld (ix+lives),a
+ pop de ; << levelp old
+ jp nz,NextLife
+Exit:
+
+#if 0
+ ld a,(Eaten)
+ ld hl,HiScore
+ cp (hl)
+ jr c,NotNewHigh
+ ld (hl),a
+ ld hl,_asapvar
+ rst 20h
+ rst 10h
+ call 460Bh
+ ld de,HiScore-_asm_exec_ram+2
+ add hl,de
+ adc a,0
+ call _load_ram_ahl
+ ld a,(HiScore)
+ ld (hl),a
+NotNewHigh:
+#endif
+ res 4,(iy+9)
+; ld sp,0
+SpSave = $-2
+ jp _clrWindow
+
+;-----------------------------
+;----------- worm ------------
+;-----------------------------
+
+inlink:
+ ld a,0
+sendbyte =$-1
+ call SendByte
+ jr c,receivefirst
+ call receive
+ ret
+receivefirst:
+ call receive
+ ld a,(sendbyte)
+ call SendByte
+ ret
+
+receive:
+receiveloop:
+ call GET_KEY
+ cp K_EXIT
+ jp z,Exit5pop
+ call TryReceiveByte
+ jr c,receiveloop
+ ld l,a
+ ret
+
+inkeys:
+ out (1),a
+ in a,(1)
+ ld b,a
+ and (ix+right)
+ jr z,NotRight
+ ld a,l
add a,8
- ld l,a
- pop af
+ ld l,a
NotRight:
- rra
- jr c,NotLeft
- ld a,l
+ ld a,b
+ and (ix+left)
+ ret z
+ ld a,l
sub 8
- ld l,a
-NotLeft:
-
- ld (Heading),hl
+ ld l,a
+ ret
- push bc
- ld a,(hl)
+;------- handle worm ---------
+
+HandleWorm:
+ ld l,(ix+heading)
+ ld a,(ix+input)
+ or a
+ jr nz,keys
+ call inlink
+ jr donelydone
+keys:
+ call inkeys
+donelydone:
+ ld a,l
+ ld (sendbyte),a
+ ld (ix+heading),l
+ ld h,(ix+heading+1)
+
+ ld c,(ix+pos)
+ ld b,(ix+pos+1)
+ ld e,(ix+pos2)
+ ld d,(ix+pos2+1)
+
+;-------- move worm ----------
+
+Wormmove:
+ push bc ; >> pos
+ ld a,(hl)
add a,a
add a,d
- ld d,a
+ ld d,a
bit 7,(hl)
- jr z,NotNegX
+ jr z,NotNegX
dec b
NotNegX:
- jr nc,NotMoveX
+ jr nc,NotMoveX
inc b
NotMoveX:
- ld a,l
+ ld a,l
add a,40h
- ld l,a
- ld a,(hl)
+ ld l,a
+ ld a,(hl)
add a,a
add a,e
- ld e,a
+ ld e,a
bit 7,(hl)
- jr z,NotNegY
+ jr z,NotNegY
dec c
NotNegY:
- jr nc,NotMoveY
+ jr nc,NotMoveY
inc c
-NotMoveY:
+NotMoveY: ;bc=newpos
- pop hl
- push de
- ld a,h
+;-check-
+ pop hl ; << pos (old)
+ push de ; >> pos2
+ ld a,h
sub b
and 1
- ld h,a
- ld a,l
+ ld h,a
+ ld a,l
sub c
and 1
add a,h
- ld d,4
- jr z,GotFour
+ ld d,4
+ jr z,GotFour
xor 3
- ld d,a
+ ld d,a
GotFour:
-
call CheckPixel
inc b
call CheckPixel
dec b
call CheckPixel
dec c
- rl d
- jr nc,WormNotCrashed
- ld hl,0
+ rl d
+ pop de ; << pos2
+
+ ld (ix+pos2),e
+ ld (ix+pos2+1),d
+ ld (ix+pos),c
+ ld (ix+pos+1),b
+ jr nc,Drawworm
+
+;--------- worm hit ----------
+
+Hitworm:
+ ld hl,0
PeaY =$-2
PeaX =$-1
- ld a,b
+ ld a,b
sub h
inc a
- cp 4
- jp nc,WormDead
- ld a,c
+ cp 4
+ jp nc,WormDead
+ ld a,c
sub l
inc a
- cp 4
- jp nc,WormDead
- push bc
+ cp 4
+ jp nc,WormDead
+ push bc ; >> 1
call DrawPea
- ld a,0
-GrowAmt =$-1
+ ld a,(ix+grow)
add a,15
- ld (GrowAmt),a
+ ld (ix+grow),a
call NewPea
- ld de,10
+ ld de,10
call IncScore
- ld a,119
- ld (_penCol),a
+ ld a,119
+ ld (_penCol),a
ld hl,Left
dec (hl)
- jr nz,NotNextLevel
- ld hl,Level
- ld a,(hl)
+ jr nz,NotNextLevel
+ ld hl,Level
+ ld a,(hl)
inc (hl)
- pop bc
- pop de
- pop hl
- pop de
- cp NUM_LEVELS
- jp nz,StartLevel
- jr Exit
+ pop bc ; << 0k
+ pop hl ; << call
+ pop de ; << levelp new
+ pop hl ; << levelp old
+ cp NUM_LEVELS
+ jp z,Exit
+ ld a,(Gametype)
+ or a
+ jp z,StartLevel
+ jp Exit
NotNextLevel:
- ld a,(hl)
+ ld a,(hl)
call PutNum
- pop bc
-WormNotCrashed:
+ pop bc ; << 0k
+
+;-------- draw worm ----------
+
+Drawworm:
+ ld l,(ix+head)
+ ld h,(ix+head+1)
+ ld (hl),c
+ inc hl
+ ld (hl),b
+ inc hl
+ res resbit,h
+ ld (ix+head),l
+ ld (ix+head+1),h
- push bc
- ld a,3
-WormCol =$-1
call SetPixel
inc b
call SetPixel
dec b
call SetPixel
-; xor 2
-; ld (WormCol),a
+ ld a,(ix+grow)
+ dec a
+ jr z,removetail
+ ld (ix+grow),a
+ ret
- ld hl,GrowAmt
- dec (hl)
- jr nz,GrowWorm
- inc (hl)
- ld hl,$b000
-TailPos =$-2
- ld c,(hl)
+removetail:
+ ld l,(ix+tail)
+ ld h,(ix+tail+1)
+ ld c,(hl)
inc hl
- ld b,(hl)
+ ld b,(hl)
inc hl
- res 2,h ;<====NEW
- ld (TailPos),hl
+ res resbit,h
+ ld (ix+tail),l
+ ld (ix+tail+1),h
call ResPixel
inc b
inc c
call ResPixel
dec b
- call ResPixel
-
-GrowWorm:
-
- ld a,0BFh
- out (1),a
- in a,(1)
- rla
- jr c,NotPaused
- ld bc,$0103
- out (c),b
- halt
- ld b,11
- out (c),b
-NotPaused:
- pop bc
- pop de
- rla
- jp c,GameLoop
- jr Exit
-; push hl
-WormDead:
- pop de
- pop hl
- ld hl,(HeadPos)
- ld de,(TailPos)
- sbc hl,de
- ld a,l
- rr h
- rra
- ld hl,Lives
- dec (hl)
- pop hl
- jp nz,NextLife
-Exit:
+ jp ResPixel
-#if 0
- ld a,(Eaten)
- ld hl,HiScore
- cp (hl)
- jr c,NotNewHigh
- ld (hl),a
- ld hl,_asapvar
- rst 20h
- rst 10h
- call 460Bh
- ld de,HiScore-_asm_exec_ram+2
- add hl,de
- adc a,0
- call _load_ram_ahl
- ld a,(HiScore)
- ld (hl),a
-NotNewHigh:
-#endif
- res 4,(iy+9)
- ld sp,0
-SpSave = $-2
- jp _clrWindow
+;-----------------------------
+;----------- procs -----------
+;-----------------------------
-NewPea: ;------------------------------procs ;<====NEW
+NewPea:
;random routine
ld hl,0
ld de,12345
inc l
ld (PeaY),hl
ld d,2
- push hl
+ push hl ; >> 1
call CheckPea
- pop hl
+ pop hl ; << 0k
dec d
jr z,NewPea
DrawPea:
call PeaPixel
dec c
PeaPixel:
- push de
+ push de ; >> 1
call FindPixel
- pop de
+ pop de ; << 0k
ld e,a
ld a,d
or a
ld (hl),a
ret
-;no random routine here ;<====NEW
+;-------- pixelprocs ---------
ResPixel: ;at bc
call FindPixel
ret
CheckPixel: ;at bc in d
- push de
+ push de ; >> 1
call FindPixel
and (hl)
- pop de
+ pop de ; << 0k
ret z
dec d
ret
-FindPixel: ;bc to ahl + de gone ;<====NEW
- push bc
+FindPixel: ;bc to ahl + de gone
+ push de ; >> 1
+ push bc ; >> 2
ld a,b
and 7
add a,offsets_table & 255
ld a,(de)
ld de,ScrBuffer
add hl,de
- pop bc
+ pop bc ; << 1
+ pop de ; << 0k
ret
+;-----------------------------
+
IncScore:
- ld hl,(Score)
+ ld h,(ix+score+1)
+ ld l,(ix+score)
add hl,de
- ld (Score),hl
+ ld (ix+score+1),h
+ ld (ix+score),l
PutScore:
- ld de,_penCol
- ld a,79
- ld (de),a
- ld b,5
+ ld de,_penCol
+ ld a,79
+ ld (de),a
+ ld b,5
DoPutScore:
- push bc
- push de
+ push bc ; >> 1
+ push de ; >> 2
call _divHLby10
call PutDigit
- pop de
- ld a,(de)
+ pop de ; << 1
+ ld a,(de)
sub 8
- ld (de),a
- pop bc
+ ld (de),a
+ pop bc ; << 0k
djnz DoPutScore
ret
PutNum:
- ld l,a
- ld h,0
+ ld l,a
+ ld h,0
call _divHLby10
- push af
- ld a,l
+ push af ; >> 1
+ ld a,l
call PutDigit
- pop af
+ pop af ; << 0k
PutDigit:
add a,'0'
- jp _vputmap
+ jp _vputmap
+
+;-----------------------------
offsets_table:
.db 128,64,32,16,8,4,2,1
-DisplayField: ;<====NEW
- ld a,c
+DisplayField:
+ ld a,c
sub 29
- jr nc,NotMinYScroll
+ jr nc,NotMinYScroll
xor a
NotMinYScroll:
- cp 43
+ cp 43
FieldHeight =$-1
- jr c,NotMaxYScroll
- ld a,(FieldHeight)
+ jr c,NotMaxYScroll
+ ld a,(FieldHeight)
NotMaxYScroll:
- ld l,a
- ld h,0
+ ld l,a
+ ld h,0
add hl,hl
add hl,hl
add hl,hl
add hl,hl
add hl,hl
- push bc
- push de
- ld de,ScrBuffer
+ push bc ; >> 1
+ push de ; >> 2
+ ld de,ScrBuffer
add hl,de
- ld a,b
+ ld a,b
sub 64
- jr nc,NotMinXScroll
+ jr nc,NotMinXScroll
xor a
NotMinXScroll:
cp 128
jr c,NotMaxXScroll
ld a,(FieldWidth)
NotMaxXScroll:
- push af
+ push af ; >> 3
and %11111000
rra
rra
ld c,a
ld b,0
ld de,DispBuffer
- pop af
+ pop af ; << 2
and %00000111
- push af
+ push af ; >> 3
cp 6
jr c,CopyScreen
inc c
add hl,bc
ld b,57
CopyScreenLoop:
- push bc
+ push bc ; >> 4
ld bc,16
ldir
ld c,16
add hl,bc
- pop bc
+ pop bc ; << 3
djnz CopyScreenLoop
- pop af
- ld c,$b7 ;or a
+ pop af ; << 2
+ ld c,$b7 ;or a
Bit0:
jr nz,Bit1
halt
ld de,$fc00+$70
ld bc,1024-$70
ldir
- pop de
- pop bc
+ pop de ; << 1
+ pop bc ; << 0k
ret
-ShiftRight1: ;<====NEW
+ShiftRight1:
ld a,1
ShiftRight:
ld (ShiftRightCounter),a
add hl,bc
ld b,57
ShiftRightLoop:
- push bc
+ push bc ; >> 1
ld bc,-32
add hl,bc
ex de,hl
ld c,0
ShiftRightCounter = $-1
ShiftRowsLeft:
- push hl
+ push hl ; >> 2
rla
ld b,16
ShiftRowLeft:
dec hl
rl (hl)
djnz ShiftRowLeft
- pop hl
+ pop hl ; << 1
dec c
jr nz,ShiftRowsLeft
ld bc,-16
add hl,bc
ex de,hl
- pop bc
+ pop bc ; << 0k
djnz ShiftRightLoop
ret
-ShiftLeft1: ;<====NEW
+ShiftLeft1:
ld a,1
ShiftLeft:
ld (ShiftLeftCounter),a
ex de,hl
ld b,57
ShiftLeftLoop:
- push bc
+ push bc ; >> 1
ld bc,-32
add hl,bc
ex de,hl
ld c,0
ShiftLeftCounter = $-1
ShiftRowsRight:
- push hl
+ push hl ; >> 2
rra
ld b,16
ShiftRowRight:
rr (hl)
inc hl
djnz ShiftRowRight
- pop hl
+ pop hl ; << 1
dec c
jr nz,ShiftRowsRight
ld bc,-16
add hl,bc
ex de,hl
- pop bc
+ pop bc ; << 0k
djnz ShiftLeftLoop
ret
-Chunk: ;<====NEW
- push hl
- push de
+Chunk:
+ push hl ; >> 1
+ push de ; >> 2
ld c,16
add hl,bc
ld b,57
ChunkScreen:
- push bc
+ push bc ; >> 3
ld bc,-32
add hl,bc
ex de,hl
rld
djnz ChunkRow
ex de,hl
- pop bc
+ pop bc ; << 2
djnz ChunkScreen
- pop de
- pop hl
- ld c,$37 ;scf
+ pop de ; << 1
+ pop hl ; << 0k
+ ld c,$37 ;scf
ret
+;-----------------------------
+;----------- link ------------
+;-----------------------------
+
+LINKMASK =3
+LINKPORT =7
+TIMEOUT =$1000
+
+LinkPrep:
+ ex (sp),hl
+ push bc
+ push de
+ set 2,(iy+12h)
+ ld b,8
+ jp (hl)
+
+TryReceiveByte:
+ in a,(LINKPORT)
+ and LINKMASK
+ cp LINKMASK
+ scf
+ ret z
+ReceiveByteCont:
+ call LinkPrep
+ jr ReceiveCont
+ReceiveByte:
+ call LinkPrep
+ReceiveBits:
+ ld de,TIMEOUT
+WaitRecBit:
+ call CheckLink
+ jr z,LinkFailed
+ cp LINKMASK
+ jr z,WaitRecBit
+ReceiveCont:
+ sub LINKMASK/3*2
+ ld a,LINKMASK/3*2
+ ld d,D0LD1H
+ jr c,ReceiveLow
+ rra
+ ld d,D0HD1L
+ReceiveLow:
+ rr c
+ ld (AckBit),a
+ ld a,d
+ out (LINKPORT),a
+ ld de,TIMEOUT
+WaitAckRec:
+ call CheckLink
+ cp 0
+AckBit =$-1
+ jr nz,WaitAckRec
+ ld a,D0HD1H
+ out (LINKPORT),a
+ ld d,4
+WaitReadyRec:
+ dec d
+ jr z,ReadyRec
+ in a,(LINKPORT)
+ cp LINKMASK
+ jr nz,WaitReadyRec
+ReadyRec:
+ djnz ReceiveBits
+ jr LinkSuccess
+
+SendByte:
+ call LinkPrep
+ ld c,a
+
+ inc b
+ jr SendAcked
+
+SendBits:
+ rr c
+ ld a,D0LD1H
+ jr nc,SendLow
+ ld a,D0HD1L
+SendLow:
+ out (LINKPORT),a
+ ld de,TIMEOUT
+WaitAckSend:
+ call CheckLink
+ jr nz,WaitAckSend
+SendAcked:
+ ld a,D0HD1H
+ out (LINKPORT),a
+ ld de,TIMEOUT
+WaitReadySend:
+ call CheckLink
+ cp LINKMASK
+ jr nz,WaitReadySend
+ djnz SendBits
+LinkSuccess:
+ or 0
+.org $-1
+LinkFailed:
+ scf
+ ld a,c
+ res 2,(iy+12h)
+ pop de
+ pop bc
+ pop hl
+ ret
+
+CheckLink:
+ pop hl
+ dec de
+ ld a,d
+ or e
+ jr z,LinkFailed
+ ld a,0BFh
+ call _readkeypad
+ bit 6,a
+ jr z,LinkFailed
+ in a,(LINKPORT)
+ and LINKMASK
+ jp (hl)
+
+_readkeypad:
+ out (1),a
+ in a,(1)
+ push af
+ ld a,255
+ out (1),a
+ pop af
+ ret
+
+
+
+;-----------------------------
+;---------- levels -----------
+;-----------------------------
+
+LevelsDM:
+
+ .db 8,0
+ .db $40,30,4,$C0,30,123
+ .db 0,0
+; .db 128,57
+ .db 0
NUM_LEVELS = 9
-Levels:
+LevelsS:
.db 5,3 ;5 peas, speed 5
- .db 64,4,0 ;x,y,d
- .db 0,0 ;field width, height
+ .db 0,4,64,0,0,0 ;d,y,x
+ .db 0,0 ;field width, height
.db 0 ;no additional lines
.db 8,4
- .db 4,14,$40
+ .db $40,14,4,0,0,0
.db 128,57
.db 1
.db 28,28,100,28
.db 9,4
- .db 4,8,$40
+ .db $40,8,4,0,0,0
.db 128,57
.db 2
.db 28,14,100,14
.db 28,41,100,41
.db 9,3
- .db 4,8,$40
+ .db $40,8,4,0,0,0
.db 128,80
.db 2
.db 64,14,64,66
.db 20,40,108,40
.db 10,3
- .db 4,8,$40
+ .db 4,8,$40,0,0,0
.db 128,90
.db 3
.db 18,20,18,70
.db 18,45,110,45
.db 7,3
- .db 64,4,0
+ .db 64,4,0,0,0,0
.db 128,86
.db 6
.db 34,13,56,35
.db 110,20,110,64
.db 9,2
- .db 4,10,$40
+ .db 4,10,$40,0,0,0
.db 128,82
.db 3
.db 0,20,74,20
.db 0,60,74,60
.db 12,2
- .db 64,4,0
+ .db 64,4,0,0,0,0
.db 128,90
.db 6
.db 20,16,54,16
.db 74,72,110,72
.db 8,2
- .db 72,52,$c0
+ .db 72,52,$c0,0,0,0
.db 128,128
.db 13
.db 34,56,56,34
.db 91,106,115,106
+;-----------------------------
+;---------- data -------------
+;-----------------------------
+
+TrigPrecalc:
+.db 0, 3, 6, 9, 12, 15, 18, 21
+.db 24, 27, 30, 33, 36, 39, 42, 45
+.db 48, 51, 54, 57, 59, 62, 65, 67
+.db 70, 73, 75, 78, 80, 82, 85, 87
+.db 89, 91, 94, 96, 98,100,102,103
+.db 105,107,108,110,112,113,114,116
+.db 117,118,119,120,121,122,123,123
+.db 124,125,125,126,126,126,126,126
+.db 127
-#include "trigtab.asm"
#include "line.asm"
-WormMsg .db "Wonderworm!",0
+txtWelcome .db "Welcome to PeaWorm!! ",
+ .db "by Jonah and Shiar",0
+txtMenu .db "Start Game",0
+ .db "Game: ",0
+ .db "Options",0
+ .db "Quit",0
+txtGame .db "Singleplayer",0
+txtGame2 .db "Deathmatch ",0
+ .db "Hot Pursuit",0
+ .db "CTF ",0
+WormMsg .db "Wonderworm!",0
LevelMsg .db "Level ",0
LivesMsg .db "Lives: ",0
ScoreMsg .db "Score: ",0
LeftMsg .db "Food: ",0
-HiScore .db 0
-
-Left =$
-Lives =$+1
-Level =$+2
-Score =$+3
-DispBuffer =$+5
-
-ScrBuffer =$8200 ;32x256 bytes
-SinCosTable =$a200
-WormPos = $b000
+HiScore .db 0
+
+nrworms .db 2
+worm1 .dw 0,0,0,0,0,0,0,0
+ .db 0,%11111110,%10,%100
+worm2 .dw 0,0,0,0,0,0,0,0
+ .db 0,0,%10000,%1000
+; .db 0,%00111111,%10000,%1000
+
+ ;set:
+heading = 0 ;level*
+pos = 2 ;level*
+pos2 = 4 ;level
+head = 6 ;level
+tail = 8 ;level
+grow = 10 ;level
+lives = 13 ;game
+score = 15 ;game
+input = 17 ;
+left = 18 ;
+right = 19 ;
+
+Worm1 = $B000
+Worm2 = $B800
+resbit = 2
+
+Level =$+1
+DispBuffer =$+2
+
+ScrBuffer = $8200 ;32x256 bytes
+SinCosTable = $A200
+
+;-----------------------------
+;----------- end -------------
+;-----------------------------
.end
git.shiar.nl / wormy.git / commitdiff