-
-; -- Peaworm v0.9 --
+; -WonderWorm--v0.9-
; by Matthew Shepcar
-; 28th December 1998
+; 30th December 1998
+
+; modified by Jonah Cohen 11-14-99
-#include asm86.h
-#include ti86asm.inc
-#include ti86abs.inc
+#include "TI86.inc"
.org _asm_exec_ram
-
- nop
- jp Start
+
+ nop
+ jp Start
.dw 0,WormMsg
Start:
-
- call _runindicoff
+ ld (SpSave),sp
+ call _runIndicOff
call _clrLCD
+ call BuildTrigTables
+
ld a,r
ld (Seed),a
- ld hl,0FC70h
+ ld hl,0
+ ld (Score),hl
+ ld a,1
+ ld (Level),a
+ ld a,3
+ ld (Lives),a
+ ld hl,Levels
+
+StartLevel:
+ ld a,(hl)
+ ld (Left),a
+ inc hl
+ ld a,(hl)
+ ld (Speed),a
+ inc hl
+ ld a,25
+NextLife:
+ ld (GrowAmt),a
+ push hl
+ ld d,(hl)
+ inc hl
+ ld e,(hl)
+ inc hl
+ ld a,(hl)
+ inc hl
+ ld (Heading),a
+ push de
+ ld a,(hl)
+ inc hl
+ sub 57
+ ld (FieldHeight),a
+ add a,57-5
+ push hl
+ ld l,a
+ ld h,0
+ add hl,hl
+ add hl,hl
+ add hl,hl
+ add hl,hl
+ ex de,hl
+
+ ld hl,ScrBuffer
push hl
- ld de,0FC71h
+ push de
+ ld de,ScrBuffer+1
ld bc,31
ld (hl),-1
ldir
inc hl
ld (hl),192
- ld l,9*16+15
+ inc hl
+ ld b,14
+ClearLine:
+ ld (hl),c
+ inc hl
+ djnz ClearLine
ld (hl),3
inc hl
ex de,hl
- ld bc,52*16
+ pop bc
ldir
pop hl
ld c,32
ldir
+ pop hl
+
+ ld a,(hl)
+ inc hl
+ or a
+ jr z,NoLines
+DrawLines:
+ push af
+ ld d,(hl)
+ inc hl
+ ld e,(hl)
+ inc hl
+ ld a,(hl)
+ inc hl
+ push hl
+ ld l,(hl)
+ ld h,a
+ call Line
+ inc d
+ inc h
+ call Line
+ inc e
+ inc l
+ call Line
+ dec d
+ dec h
+ call Line
+ pop hl
+ inc hl
+ pop af
+ dec a
+ jr nz,DrawLines
+NoLines:
+ push hl
- ld (_penCol),de
- ld hl,WormMsg
+ ld hl,0
+ ld (_penCol),hl
+ ld hl,LivesMsg
call _vputs
- ld a,48
+ ld a,(Lives)
+ add a,'0'
+ call _vputmap
+
+ ld a,40
ld (_penCol),a
- call _vputs
- ld a,91
+ call _vputs ;scoremsg
+ ld a,100
ld (_penCol),a
call _vputs
- ld a,(hl)
+ ld a,(Left)
call PutNum
- call BuildTrigTables
+ call PutScore
call NewPea
- ld a,25
- ld (GrowAmt),a
+
+ xor a
+ call DisplayField
+ ld hl,LevelMsg
+ ld a,7
+ call DispMsg
+ ld a,(Level)
+ add a,'0'
+ call _putc
+ res 3,(iy+5)
+
+ xor a
+ReadyDelay:
+ halt
+ dec a
+ jr nz,ReadyDelay
+
ld hl,(HeadPos)
ld (TailPos),hl
- xor a
- ld (Heading),a
- ld (Eaten),a
- ld bc,0400Ah
- ld d,a
- ld e,a
+ pop hl
+ pop bc
+ push hl
+ ld de,0
GameLoop:
- ld a,8
+ ld a,c
+ sub 29
+ jr nc,NotMinScroll
+ xor a
+NotMinScroll:
+ cp 43
+FieldHeight =$-1
+ jr c,NotMaxScroll
+ ld a,(FieldHeight)
+NotMaxScroll:
+ call DisplayField
+
+ ld a,9
+Speed =$-1
Delay:
halt
dec a
rra
rra
jr c,NotRight
+ push af
ld a,l
add a,8
ld l,a
- inc a
+ pop af
NotRight:
rra
jr c,NotLeft
rl d
jr nc,WormNotCrashed
ld hl,0
-PeaX =$-2
-PeaY =$-1
+PeaY =$-2
+PeaX =$-1
ld a,b
sub h
inc a
cp 4
- jr nc,WormDead
+ jp nc,WormDead
ld a,c
sub l
inc a
cp 4
- jr nc,WormDead
+ jp nc,WormDead
push bc
call DrawPea
ld a,0
add a,15
ld (GrowAmt),a
call NewPea
- ld a,70
+ ld de,10
+ call IncScore
+ ld a,119
ld (_penCol),a
- ld hl,Eaten
+ ld hl,Left
+ dec (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
+
+NotNextLevel:
ld a,(hl)
call PutNum
pop bc
WormNotCrashed:
push bc
+ ld a,3
+WormCol =$-1
call SetPixel
inc b
call SetPixel
dec b
call SetPixel
+; xor 2
+; ld (WormCol),a
+
ld hl,GrowAmt
dec (hl)
jr nz,GrowWorm
in a,(1)
rla
jr c,NotPaused
- call _getky
-WaitUnpause:
- call _getky
- or a
- jr z,WaitUnpause
- ld a,128
+ ld bc,$0103
+ out (c),b
+ halt
+ ld b,11
+ out (c),b
NotPaused:
pop bc
pop de
rla
jp c,GameLoop
- push hl
+ 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:
+
+#if 0
ld a,(Eaten)
ld hl,HiScore
cp (hl)
jr c,NotNewHigh
ld (hl),a
- ld hl,Varname-1
+ ld hl,_asapvar
rst 20h
rst 10h
call 460Bh
ld a,(HiScore)
ld (hl),a
NotNewHigh:
- call _clrScrn
- call _homeup
- jp _getky
+#endif
+ ld sp,0
+SpSave = $-2
+ jp _clrWindow
-NewPea:
+NewPea: ;------------------------------procs
call Random
ld a,h
and 7Fh
- cp 7Bh
+ cp 77h
jr nc,NewPea
- add a,2
+ add a,3
ld h,a
+ ld a,(FieldHeight)
+ add a,57-12
+ ld b,a
ld a,l
- and 3Fh
- cp 30h
+ and 7Fh
+ cp b
jr nc,NewPea
- add a,12
+ add a,5
ld l,a
- ld (PeaX),hl
+ ld (PeaY),hl
ld d,2
push hl
call CheckPea
ld a,7921 & 255
ld bc,1000h+(7921/256)
domult16:
- add hl,hl
- rla
+ add hl,hl
+ rla
rl c
- jr nc,noadd16
- add hl,de
+ jr nc,noadd16
+ add hl,de
noadd16:
- djnz domult16
+ djnz domult16
inc hl
ld (Seed),hl ;seed=(seed*7921+1) MOD 65536
ld a,h
ret
-ResPixel:
+ResPixel: ;at bc
call FindPixel
cpl
and (hl)
- ld (hl),a
+ ld (hl),a
ret
-SetPixel:
+SetPixel: ;at bc
call FindPixel
- or (hl)
- ld (hl),a
+ or (hl)
+ ld (hl),a
ret
-CheckPixel:
+CheckPixel: ;at bc in d
push de
call FindPixel
and (hl)
dec d
ret
-FindPixel:
+FindPixel: ;bc to ahl + de gone
push bc
ld a,b
and 7
or b
ld l,a
ld a,(de)
- dec h
- dec h
- dec h
- dec h
+ ld de,ScrBuffer
+ add hl,de
pop bc
ret
+IncScore:
+ ld hl,(Score)
+ add hl,de
+ ld (Score),hl
+PutScore:
+ ld hl,-1
+ ld (_curRow),hl
+ ld a,63
+ ld (_penCol),a
+ ld hl,(Score)
+ xor a
+ call 4A33h
+ dec hl
+ ld b,5
+DoPutScore:
+ ld a,(hl)
+ inc hl
+ cp 32
+ jr nz,NotZeroDigit
+ ld a,'0'
+NotZeroDigit:
+ call _vputmap
+ djnz DoPutScore
+ ret
+
PutNum:
ld l,a
ld h,0
- call UNPACK_HL
+ call _divHLby10
push af
ld a,l
call PutDigit
offsets_table:
.db 128,64,32,16,8,4,2,1
-#include trigtab.asm
+DisplayField:
+ ld l,a
+ ld h,0
+ add hl,hl
+ add hl,hl
+ add hl,hl
+ add hl,hl
+ push bc
+ push de
+ ld de,ScrBuffer
+ add hl,de
+ ld de,$FC00+$70
+ ld bc,$0390
+ ldir
+ pop de
+ pop bc
+ ret
-WormMsg .db "Peaworm!",0
-PeasMsg .db "Eaten: 00",0
-HiMsg .db "Hiscore: ",0
+DispMsg:
+ push hl
+ ld h,a
+ ld l,4
+ ld (_curRow),hl
+ ld hl,0FDE0h
+ ld de,0FDE1h
+ ld (hl),-1
+ ld bc,0BFh
+ ldir
+ pop hl
+ set 3,(iy+5)
+ jp _puts
+
+
+NUM_LEVELS = 9
+
+Levels:
+ .db 5,9 ;5 peas, speed 7
+ .db 64,4,0 ;x,y,d
+ .db 57 ;field height
+ .db 0 ;no additional lines
+
+ .db 8,9
+ .db 4,14,$40
+ .db 57
+ .db 1
+ .db 28,28,100,28
+
+ .db 9,8
+ .db 4,8,$40
+ .db 57
+ .db 2
+ .db 28,14,100,14
+ .db 28,41,100,41
+
+ .db 9,8
+ .db 4,8,$40
+ .db 80
+ .db 2
+ .db 64,14,64,66
+ .db 20,40,108,40
+
+ .db 10,7
+ .db 4,8,$40
+ .db 90
+ .db 3
+ .db 18,20,18,70
+ .db 110,20,110,70
+ .db 18,45,110,45
+
+ .db 7,7
+ .db 64,4,0
+ .db 86
+ .db 6
+ .db 34,13,56,35
+ .db 34,71,56,49
+ .db 72,35,94,13
+ .db 72,49,94,71
+ .db 16,20,16,64
+ .db 110,20,110,64
+
+ .db 9,7
+ .db 4,10,$40
+ .db 82
+ .db 3
+ .db 0,20,74,20
+ .db 54,40,128,40
+ .db 0,60,74,60
+
+ .db 12,7
+ .db 64,4,0
+ .db 90
+ .db 6
+ .db 20,16,54,16
+ .db 74,16,110,16
+ .db 20,16,20,72
+ .db 110,16,110,72
+ .db 20,72,54,72
+ .db 74,72,110,72
+
+ .db 8,7
+ .db 72,52,$c0
+ .db 128
+ .db 13
+ .db 34,56,56,34
+ .db 34,72,56,94
+ .db 72,34,94,56
+ .db 72,94,94,72
+ .db 46,64,80,64
+ .db 22,11,22,33
+ .db 11,22,33,22
+ .db 22,95,22,117
+ .db 11,106,33,106
+ .db 103,11,103,33
+ .db 91,22,115,22
+ .db 103,95,103,117
+ .db 91,106,115,106
+
+
+
+#include "trigtab.asm"
+#include "line.asm"
+
+WormMsg .db "Wonderworm!",0
+LevelMsg .db "Level ",0
+LivesMsg .db "Lives: ",0
+ScoreMsg .db "Score: ",0
+LeftMsg .db "Food: ",0
HiScore .db 0
-Varname .db 4,"worm"
-Eaten =$
-SinCosTable =09000h
+Left =$
+Lives =$+1
+Level =$+2
+Score =$+3
+
+SinCosTable =09E00h
+ScrBuffer =8200h ;size $1400 (at least)
+
+.end
+eft:
+ dec hl
+ rl (hl)
+ djnz ShiftRowLeft
+ pop hl
+ dec c
+ jr nz,ShiftRowsLeft
+ ld bc,-16
+ add hl,bc
+ ex de,hl
+ pop bc
+ djnz ShiftLeftLoop
+ ld a,(ShiftBitsLeft)
+ jr NoShift
+ShiftRight:
+ dec hl
+ ex de,hl
+ ld c,16
+ sbc hl,bc
+ ex de,hl
+ ld b,57
+ cpl
+ add a,9
+ ld (ShiftBitsRight),a
+ShiftRightLoop:
+ push bc
+ ld bc,-32
+ add hl,bc
+ ex de,hl
+ ld a,(de)
+ ld c,0
+ShiftBitsRight = $-1
+ShiftRowsRight:
+ push hl
+ rra
+ ld b,16
+ShiftRowRight:
+ rr (hl)
+ inc hl
+ djnz ShiftRowRight
+ pop hl
+ dec c
+ jr nz,ShiftRowsRight
+ ld bc,-16
+ add hl,bc
+ ex de,hl
+ pop bc
+ djnz ShiftRightLoop
+ ld a,(ShiftBitsRight)
+NoShift:
+ ld hl,DispBuffer
+ ld de,$fc00+$70
+ ld bc,1024-$70
+ ldir
+ cpl
+ add a,8
+ jr z,NoShiftDelay
+ShiftDelay:
+ ld bc,$0005
+ShiftDelayLoop = $-1
+ djnz ShiftDelayLoop
+ dec c
+ jr nz,ShiftDelayLoop
+ dec a
+ jr nz,ShiftDelay
+NoShiftDelay:
+ pop de
+ pop bc
+ ret
+
+
+NUM_LEVELS = 9
+
+Levels:
+ .db 5,2 ;5 peas, speed 9
+ .db 64,4,0 ;x,y,d
+ .db 0,0 ;field width, height
+ .db 0 ;no additional lines
+
+ .db 8,2
+ .db 4,14,$40
+ .db 128,57
+ .db 1
+ .db 28,28,100,28
+
+ .db 9,2
+ .db 4,8,$40
+ .db 128,57
+ .db 2
+ .db 28,14,100,14
+ .db 28,41,100,41
+
+ .db 9,1
+ .db 4,8,$40
+ .db 128,80
+ .db 2
+ .db 64,14,64,66
+ .db 20,40,108,40
+
+ .db 10,1
+ .db 4,8,$40
+ .db 128,90
+ .db 3
+ .db 18,20,18,70
+ .db 110,20,110,70
+ .db 18,45,110,45
+
+ .db 7,1
+ .db 64,4,0
+ .db 128,86
+ .db 6
+ .db 34,13,56,35
+ .db 34,71,56,49
+ .db 72,35,94,13
+ .db 72,49,94,71
+ .db 16,20,16,64
+ .db 110,20,110,64
+
+ .db 9,0
+ .db 4,10,$40
+ .db 128,82
+ .db 3
+ .db 0,20,74,20
+ .db 54,40,128,40
+ .db 0,60,74,60
+
+ .db 12,0
+ .db 64,4,0
+ .db 128,90
+ .db 6
+ .db 20,16,54,16
+ .db 74,16,110,16
+ .db 20,16,20,72
+ .db 110,16,110,72
+ .db 20,72,54,72
+ .db 74,72,110,72
+
+ .db 8,0
+ .db 72,52,$c0
+ .db 128,128
+ .db 13
+ .db 34,56,56,34
+ .db 34,72,56,94
+ .db 72,34,94,56
+ .db 72,94,94,72
+ .db 46,64,80,64
+ .db 22,11,22,33
+ .db 11,22,33,22
+ .db 22,95,22,117
+ .db 11,106,33,106
+ .db 103,11,103,33
+ .db 91,22,115,22
+ .db 103,95,103,117
+ .db 91,106,115,106
+
+
+
+#include "trigtab.asm"
+#include "line.asm"
+
+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
.end
git.shiar.nl / wormy.git / blobdiff