X-Git-Url: http://git.shiar.nl/wormy.git/blobdiff_plain/b2288323cde0474b43669f9c5805fa92191c75d6..fb53f987bcd8b3a1abf600eee973cb673552d1c3:/worm.z80 diff --git a/worm.z80 b/worm.z80 new file mode 100644 index 0000000..d8f61e0 --- /dev/null +++ b/worm.z80 @@ -0,0 +1,2352 @@ +; Title : Worm +; Version : 0.92 +; Release Date : soon (I hope) +; Filename : worm.86p (3404) +; Author(s) : Shiar +; Email Address : shiar@mailroom.com +; ICQ UIN : #43840958 +; Web Page : www.games3.net/shiar +; Description : ruling multiplayer game for 86 (most like Nibbles) +; Where to get this game : games3.net/shiar (home of Worm) +; Other games by author(s) : Shiar: Nemesis beta +; Additional Credits to : Matthew Shepcar (wrote original Peaworm, end'98) +; Jonah Cohen (wrote some parts of worm) + +;----------------------------- +;----------- TO-DO ----------- +;----------------------------- + +; Shiar 3.III.00 + +;Feel like doing something? (name indicates who's working on it) +; * linkplay +; * singleplay ending +; * titlescreen +; * make linkplay available for all gametypes (not just deathmatch) +; * two worms collide with heads -> both should die +; * game types: +;1) * ctf: take enemy flag (right-bottom) and return to your flag (left-top) +;1) * domination?: take control points by running over them and hold them +;1)* sprites for picks instead of blocks + +;1) Working on a new pickup-system allowing more than one "food" and different pickup-handling + +#include "TI86.inc" + +;----------------------------- +;------- program start ------- +;----------------------------- + +.org _asm_exec_ram +start: + nop + jp Start + .dw 1 + .dw WormMsg + .dw WormIcon + +WormIcon: + .db 9,2 + .db %10010111,%01101111 + .db %10110101,%01001011 + .db %11110111,%01001001 + .db %00000011,%10000000 + .db %00000001,%11100000 + .db %00111000,%11111000 + .db %01111110,%00111111 + .db %11101111,%00001111 + .db %11000011,%10000000 + +Start: + ld (SpSave),sp + call _runIndicOff + call _flushAllMenus + call _clrLCD + res 2,(iy+13) ;appAutoScroll + + ld a,r + ld (Seed),a + +;----------------------------- +;----- build trig tables ----- +;----------------------------- + + ld hl,TrigPrecalc + ld de,SinCosTable + push de ; >> 1 + ld bc,65 + ldir + dec hl + ld b,63 +MirrorSineWave: + dec hl + ld a,(hl) + ld (de),a + inc de + djnz MirrorSineWave + pop hl ; << 0k + ld b,128+64 +NegativeSineWave: + xor a + sub (hl) + ld (de),a + inc hl + inc de + djnz NegativeSineWave + +;----------------------------- +;---------- menu ------------- +;----------------------------- + +DisplayMenu: + ld a,2 + ld (nrworms),a +gomainMenu: + call _clrWindow + ld hl,txtWelcome + call _puts + ld de,$0205 + ld (_curRow),de + call _puts ;txtOptions + dec e ;$0204 + ld (_curRow),de + ld hl,(CURtxtGame) + call _puts + + xor a +mainMenu: + call menucall + jr nz,notselect +select: + ld a,b + or a + jr nz,gooptionsMenu + jp LetsGetThisPartyOn +notselect + cp K_EXIT + jp z,ExitNoStats + cp K_RIGHT + ld a,b + jr nz,mainMenu + or a + jr z,Variation + +gooptionsMenu: + call _clrWindow + ld hl,txtWelcome + call _puts + ld hl,txtLevel + ld de,$0205 + ld (_curRow),de + call _puts ;txtLevel + dec e ;$0204 + ld (_curRow),de + call _puts ;txtWorms + ld a,(nrworms) + add a,'0' + call _putc + xor a +optionsMenu: + call menucall + jr nz,notopselect +opselect: + ld a,b + or a + jr nz,changelevel +changeworms: + ld hl,nrworms + inc (hl) + ld a,4 + cp (hl) + jr nc,gooptionsMenu + ld (hl),2 + jr gooptionsMenu +changelevel: + jr optionsMenu + +notopselect: + cp K_EXIT + jr z,gomainMenu + ld a,b + jr optionsMenu + +Variation: + ld a,0 +Gametype =$-1 + ld hl,txtGame2 +NEXTtxtGame =$-2 + inc a + and 7 ;mod 8 + jr nz,okilydokily + ld hl,txtGame +okilydokily: + ld (Gametype),a + ld de,$0204 + ld (_curRow),de + ld (CURtxtGame),hl + call _puts + ld (NEXTtxtGame),hl + ld a,b + jp mainMenu + +menucall: + push af + ld hl,$0004 + ld (_curRow),hl + ld a,' ' + call _putc + ld hl,$0005 + ld (_curRow),hl + call _putc + pop af + push af + ld h,0 + add a,4 + ld l,a + ld (_curRow),hl + ld a,'*' + call _putc + pop af + ld b,a +menukeys: + halt \ halt + call _getcsc + or a + jr z,menukeys + cp K_UP + jr nz,notup +updown: + ld a,b + xor 1 + ld b,a + inc a ;nz + ret +notup: + cp K_DOWN + jr z,updown + cp K_ENTER + ret z + cp K_SECOND + ret ;z=select + +;----------------------------- +;-------- start game --------- +;----------------------------- + +LetsGetThisPartyOn: + ld hl,Gametype + ld a,(hl) + add a,a + add a,(hl) + ld e,a + ld d,0 + ld hl,gamesdata + add hl,de + + ld a,(hl) + push af + and _datasingl + jr z,notsingle + ld a,1 + ld (nrworms),a +notsingle: + pop af + ld (gameCar),a + push af + + and _datascore + ld de,$FF64 ;virt.infinate + jr z,setscorelimit + ld d,0 ;de=100 +setscorelimit: + ld (scorelimit),de + + inc hl + call _ldHLind + pop af + push hl + and _datalink + jr z,GameOver + +linkmatch: + call _clrWindow + + +; in a,(7) +; and %11 +; cp %11 + ld a,WormVersion +; jr nz,host + call send + jr c,host + +client: + ld hl,txtReceive + call _puts + call receive + cp WormVersion + ret nz + jr multiplayer + +host: + ld hl,txtWaiting + call _puts + call receive + cp WormVersion + ret nz + call send + ld hl,SwapPos + ld (hl),$f6 + +multiplayer: + ld a,2 + ld (nrworms),a + ld de,LevelsDM + +;----------------------------- +;--------- game over --------- +;----------------------------- + +GameOver: + call _clrLCD + ld hl,0 + ld (worm1+died),hl +;+died=0 \ +score1=0 + ld (worm2+died),hl + ld (worm3+died),hl + ld (worm4+died),hl + inc h + ld (worm1+score+1),hl +;+score2=0 \ +delay=1 + ld (worm2+score+1),hl + ld (worm3+score+1),hl + ld (worm4+score+1),hl + ld a,l + ld (Level),a + ld hl,worm1set+4 + ld de,worm1+lives + call _MOV5B ;9xld(de),(hl) + call _mov9b + ld hl,worm2set+4 + ld de,worm2+lives + call _MOV5B + call _mov9b + ld hl,worm3set+4 + ld de,worm3+lives + call _MOV5B + call _mov9b + ld hl,worm4set+4 + ld de,worm4+lives + call _MOV5B + call _mov9b + pop de + +StartLevel: + ex de,hl + ld de,Left + ldi + ld de,Speed + ldi + ld a,(hl) + ld (worm1+grow),a + ld (worm2+grow),a + ld (worm3+grow),a + ld (worm4+grow),a + ld (beginsize),a + inc hl + + ld a,(hl) + inc hl + ld (nrballs),a + or a + jr z,toobad_noballs + ld de,ballpos + ldi + ldi +toobad_noballs: + +#ifdef 0 + ld a,(gameCar) + and _datahunt + jr z,nohunter + ld a,huntersize + ld (worm2+grow),a +nohunter: +#endif + + ex de,hl + ld (thislevel),de + push de + ld hl,worm1set + ld de,worm1+head + call _MOV4B + ld hl,worm2set + ld de,worm2+head + call _MOV4B + ld hl,worm3set + ld de,worm3+head + call _MOV4B + ld hl,worm4set + ld de,worm4+head + call _MOV4B + pop de + + ld hl,worm1 + ld a,(gameCar) + and _datanextl + ld b,1 + jr nz,worminit + ld b,4 +worminit: + push bc ; >> 1 + ld a,(de) + ld (hl),a ;d + inc de + inc hl + ld a,SinCosTable/256 + ld (hl),a + inc hl + + ld a,(de) + ld (hl),a ;y + inc de + inc hl + ld a,(de) + ld (hl),a ;x + inc de + inc hl + + xor a + ld (hl),a ;y2 + inc hl + ld (hl),a ;x2 + + ld bc,(worm2-worm1)-5 + add hl,bc + pop bc ; << 0k + djnz worminit + +;-------- draw level --------- + + ld a,(de) + inc de + sub 128 + ld (FieldWidth),a + ld a,(de) + inc de + sub 57 + ld (FieldHeight),a + add a,57-5 + 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 ; >> 1 + push de ; >> 2 + ld de,ScrBuffer+1 + ld bc,63 + ld (hl),%11111111 + ldir + inc hl + ld (hl),%11000000 + inc hl + ld b,31 +ClearLine: + ld (hl),c + inc hl + djnz ClearLine + push hl ; >> 3 + + ld a,(FieldWidth) + add a,126 + push af ; >> 4 + and %11111000 + rra + rra + rra + ld l,a + ld h,0 + add hl,de + pop af ; << 3 + and %00000111 + ld b,a + ld c,0 + ld a,%11000000 + jr z,NoVertShift +VertShift: + rra + rr c + djnz VertShift +NoVertShift: + ld (hl),a + inc hl + ld (hl),c + + ex de,hl + pop de ; << 2 + pop bc ; << 1 + ldir + pop hl ; << 0k + ld c,64 + ldir + +;-draw lines- + + pop hl ; << levelp + ld a,(hl) + inc hl + or a + jr z,NoLines +DrawLines: + push af ; >> 1 + call loaddrawdata + push hl ; >> 2 + 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 ; << 1 + inc hl + pop af ; << 0k + dec a + jr nz,DrawLines +NoLines: + + ld a,(hl) + inc hl + or a + jr z,noboxes +drawboxes: + push af + call loaddrawdata + push hl + ld l,(hl) + ld h,a + call drawbox + pop hl + inc hl + pop af + dec a + jr nz,drawboxes +noboxes: + +;----------------------------- + + push hl ; >> levelp new + call showstats + ld a,(gameCar) + and _datafood + jr z,nofood + call NewPea + call DrawPea +nofood: + ld bc,(worm1+pos) + call DisplayField + ld hl,$FDE0 + ld de,$FDE1 + ld (hl),%11111111 + ld bc,$BF + ldir + ld hl,4+(txtposReady*256) + ld (_curRow),hl + set 3,(iy+5) + ld hl,txtReady + call _puts + res 3,(iy+5) + + ld a,0 +gameCar =$-1 + and _datalink + jr z,SwapPos ;no link + xor a + ld (worm2+input),a + ld (worm2+left),a + ld (Speed),a + +SwapPos: ;$18 xx -> $F6 xx + jr initfinished + inc a + ld (worm2+left),a + ld hl,(worm1+pos) + ld de,(worm2+pos) + ld (worm2+pos),hl + ld (worm1+pos),de + ld a,(worm1+heading) + ld b,a + ld a,(worm2+heading) + ld (worm1+heading),a + ld a,b + ld (worm2+heading),a +initfinished: + + ld b,0 +ReadyDelay: + halt + djnz ReadyDelay + +;----------------------------- +;----------- LOOP ------------ +;----------------------------- + +GameLoop: + ld bc,(worm1+pos) + call DisplayField + + ld a,1 +flashtime =$-1 + dec a + jr z,noflash + ld (flashtime),a + ld hl,$fc00+(16*7) +screeninvertloop: + ld a,(hl) + cpl + ld (hl),a + inc hl + xor a + cp h + jr nz,screeninvertloop +noflash: + + ld a,0 +Speed =$-1 + or a + jr z,NoDelay +Delay: + halt + dec a + jr nz,Delay +NoDelay: + + call handlethatneatlittleball + + ld ix,worm1 + ld a,(nrworms) + ld b,a +handleworms: + push bc + call HandleWorm + ld bc,worm2-worm1 + add ix,bc + pop bc + djnz handleworms + +;----------------------------- +;---------- keys ------------- +;----------------------------- + +HandleKeys: + ld a,%10111111 + out (1),a + in a,(1) + rla + jr c,NotPaused + ld bc,$0103 + out (c),b + halt + ld b,11 + out (c),b + +NotPaused: + rla + jp c,GameLoop + jr Exit ;&& + +WormDead: + ld a,2 + ld (flashtime),a + + ld h,(ix+tail+1) + ld l,(ix+tail) + ld d,(ix+head+1) + ld e,(ix+head) + jr DoesWormTailEqualsWormHead ;chk4 size=0 +removewormloop: + ld c,(hl) + inc hl + ld b,(hl) + inc hl + res resbit,h + push hl + call res4pixels + pop hl + inc (ix+grow) +DoesWormTailEqualsWormHead: + call _cphlde + jr nz,removewormloop + + ld a,(gameCar) + and _datasingl + jr nz,safewormsizedone + ld a,0 +beginsize =$-1 + ld (ix+grow),a +safewormsizedone: + + ;de=ix+head + ld (ix+tail+1),d + ld (ix+tail),e + ld a,50 + ld (ix+delay),a + +thislevel =$+1 + ld de,0 + ld a,(de) + inc de + ld (ix+heading),a + ld a,(de) + ld (ix+pos),a + inc de + ld a,(de) + ld (ix+pos+1),a + + inc (ix+died) + dec (ix+lives) + push af + ld de,10 + call DecScore + pop af + ret nz ;HandleWorm done + ld a,(gameCar) + and _datalivel + ret z + +Exit: + ld sp,0 ;pop all +SpSave = $-2 + call _clrWindow + ld hl,txtGO + call _puts + ld hl,txtGame +CURtxtGame =$-2 + call _puts + ld de,0002 + ld (_curRow),de + call showLevel + ld de,$0B03 + ld (_curRow),de + ld hl,txtDied + call _puts + call _puts ;txtScore + xor a + ld (_curCol),a + + ld b,2 +nrworms =$-1 + ld hl,worm1+died +displayWormStats: + push bc + push hl + + ld bc,input-died + add hl,bc ;+input + xor a + cp (hl) + jr nz,NoLinkIndic + ld b,7 + inc hl ;+left + cp (hl) + jr z,hostLinkIndic + dec b +hostLinkIndic: + ld a,8 + ld (_curCol),a + ld a,b + call _putc + xor a + ld (_curCol),a + dec hl +NoLinkIndic: + inc hl + inc hl + inc hl ;+name + call _puts + + pop hl + push hl + ld a,13 + ld (_curCol),a + ld a,(hl) ;worm+died + push hl + call showA + pop hl + + ld a,16 + ld (_curCol),a + inc hl ;worm+score + call _ldHLind ;ld hl,(hl) + call showHL ;worm+score + + pop hl + ld bc,worm2-worm1 + add hl,bc + pop bc + djnz displayWormStats + + ld a,(gameCar) + and _datasingl + jr z,hiscorecheckdone +checkhiscore: + ld de,(worm1+score) +HiScore =$+1 + ld hl,0 + ld a,e + cp l + jr c,NotNewHigh + ld a,d + cp h + jr c,NotNewHigh + ld (HiScore),de + ex de,hl ;disp.new hiscore +NotNewHigh: + ex de,hl + ld hl,txthiscore + call _puts + ex de,hl + call showHL +hiscorecheckdone: + +waitkey: + halt + halt + call _getcsc + cp K_ENTER + jp z,DisplayMenu +; cp K_EXIT + jr nz,waitkey + +;x123456789012345678901 +;1----- GAME OVER ----- +;2Multiplayer +;3Level 01 +;4 Died Score: +;5NameName 03 00070 +;6Worm#02 @ 05 00120 +;7Worm#03 15 00030 +;8Snaky @ 00 04820 + +ExitNoStats: + ld hl,_asapvar + rst 20h ;_ABS_MOV10TOOP1 + rst 10h ;_FINDSYM + call _swapt_ ;_ex_ahl_bde + ld de,4 + add hl,de + adc a,0 + call _SET_ABS_DEST_ADDR + + xor a + ld hl,start + call _SET_ABS_SRC_ADDR + ld hl,end-start + call _SET_MM_NUM_BYTES + call _MM_LDIR + +; xor a +; ld (_asapvar+1),a + res 4,(iy+9) + set 2,(iy+13) + jp _clrWindow + +;----------------------------- +;----------- worm ------------ +;----------------------------- + +inlink: + ld a,0 +sendbyte =$-1 + ld b,(ix+left) + dec b + jr z,receivefirst + call send + call receive + ld l,a + ret +receivefirst: + push af + call receive + ld l,a + pop af + push hl + call send + pop hl + ret + +inkeys: ;use jp not call! + out (1),a + in a,(1) + ld b,a + and (ix+right) + jr z,notright + ld a,l + add a,8 + ld l,a +notright: + ld a,b + and (ix+left) + jr z,donediddelydone + ld a,l + sub 8 + ld l,a + jr donediddelydone + +;------- handle worm --------- + +HandleWorm: + dec (ix+delay) + ret nz + inc (ix+delay) + ld l,(ix+heading) + ld a,(ix+input) + or a + jr nz,inkeys + call inlink +donediddelydone: + 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 + bit 7,(hl) + jr z,notnegX + dec b +notnegX: + jr nc,notmoveX + inc b +notmoveX: + ld a,l + add a,$40 + ld l,a + ld a,(hl) + add a,a + add a,e + ld e,a + bit 7,(hl) + jr z,notnegY + dec c +notnegY: + jr nc,notmoveY + inc c +notmoveY: ;bc=newpos + ld (ix+pos2),e + ld (ix+pos2+1),d + ld (ix+pos),c + ld (ix+pos+1),b + +;-check- + pop hl ; << pos (old) + ld a,h + sub b + and 1 + ld h,a + ld a,l + sub c + and 1 + add a,h + ld d,4 + jr z,GotFour + xor 3 + ld d,a +GotFour: + call chk4pixels + rl d + jp nc,Drawworm + +;--------- worm hit ---------- + +Hitworm: + ld a,(gameCar) + ld h,a + and _datafood + jp z,WormDead + ld a,h + and _datahunt + call nz,checkhitotherworm + + ld hl,0 +PeaY =$-2 +PeaX =$-1 + ld a,b + sub h + inc a + cp 4 + jp nc,WormDead + ld a,c + sub l + inc a + cp 4 + jp nc,WormDead + call DrawPea + ld a,(ix+grow) + add a,15 + ld (ix+grow),a + call NewPea + ld hl,Left + dec (hl) + push af + ld de,10 + call IncScore + pop af + jr nz,still_alive_not_dead + ld a,(gameCar) + and _datafoodl + jr z,still_alive_not_dead + ld hl,Level + ld a,(hl) + inc (hl) + pop hl ; << call + pop hl ; << call + pop de ; << levelp new + cp NUM_LEVELS + jp z,Exit + ld a,(gameCar) + and _datanextl + jp nz,StartLevel + jp Exit + +;----------------------------- + +checkhitotherworm: + .db $dd,$7d ;ld a,lx + cp worm2&255 + ret nz +ThisIsJustASillyUselessLabel: + ld hl,(worm1+tail) + ld de,(worm1+head) +nextotherwormbit: + ld a,c + sub (hl) + inc hl + inc a + cp 4 + jr nc,nothit1 ;no + ld a,b + sub (hl) + inc a + cp 4 + jr c,otherwormHIT ;yes +nothit1: + inc hl + res resbit,h + call _cphlde + jr nz,nextotherwormbit + ret + +checkhitlapline: + ld a,63 + sub b + jr z,nextlaphalf + inc a + ret nz +nextlaphalf: + ld a,c + and 32 ;y>=32? + jr nz,nolap + cp (ix+reserv) + jr z,nolap + push bc + ld de,20 + call IncScore + pop bc + xor a +nolap: + ld (ix+reserv),a + ret + +otherwormHIT: + push ix + ld de,10 + call IncScore + ld ix,worm1 + call WormDead + pop ix + pop bc +still_alive_not_dead: + +;-------- draw worm ---------- + +Drawworm: + ld a,(gameCar) + and _datahunt + call nz,HuntingTimeScore + + ld c,(ix+pos) + ld b,(ix+pos+1) + + ld a,(gameCar) + and _datalaps + call nz,checkhitlapline + + ld l,(ix+head) + ld h,(ix+head+1) + ld (hl),c + inc hl + ld (hl),b + inc hl + res resbit,h + ld (ix+head),l + ld (ix+head+1),h + + call set4pixels + + ld a,(ix+grow) + dec a + jr z,removetail + ld (ix+grow),a + ret + +removetail: + ld l,(ix+tail) + ld h,(ix+tail+1) + ld c,(hl) + inc hl + ld b,(hl) + inc hl + res resbit,h + ld (ix+tail),l + ld (ix+tail+1),h + +res4pixels: + call ResPixel + inc b + call ResPixel + inc c + call ResPixel + dec b +ResPixel: + call FindPixel + cpl + and (hl) + ld (hl),a + ret + +;----------------------------- +;---------- ball ------------- +;----------------------------- + +handlethatneatlittleball: + ld a,0 +nrballs =$-1 + or a + ret z +ballpos =$+1 + ld bc,$0503 + call res4pixels + dec c + ld e,b +ballxmove: + inc b ;=%000100 dec=%000101 + call checkballhit + jr z,ballxdone + ld b,e + ld hl,ballxmove + call letsmovetheotherway +ballxdone: + ld e,c +ballymove: + inc c ;=%001100 dec=%001101 + call checkballhit + jr z,balldone + ld c,e + ld hl,ballymove + call letsmovetheotherway +balldone: + ld (ballpos),bc + jp set4pixels + +letsmovetheotherway: + ld a,1 + xor (hl) + ld (hl),a + ret + +checkballhit: + ld d,0 + call chk4pixels + xor a + cp d + ret + +;----------------------------- +;----------- procs ----------- +;----------------------------- + +NewPea: +;random routine + ld hl,0 + ld de,12345 +Seed =$-2 + ld a,7921&255 + ld bc,$1000+(7921/256) +domult16: + add hl,hl + rla + rl c + jr nc,noadd16 + add hl,de +noadd16: + djnz domult16 + inc hl + ld (Seed),hl ;seed=(seed*7921+1)\65536 + + ld a,(FieldWidth) + add a,123 + cp h + jr c,NewPea + inc h + inc h + ld a,(FieldHeight) + add a,51 + cp l + jr c,NewPea + inc l + inc l + ld (PeaY),hl + ld d,2 ;don't draw + push hl + call CheckPea + pop hl + dec d + jr z,NewPea + +DrawPea: ;hl=(PeaY) + ld d,0 ;draw +CheckPea: + ld b,h + ld c,l + call PeaPixel + inc c + call PeaPixel + inc b + call PeaPixel + dec c +PeaPixel: + push de + call FindPixel + pop de + ld e,a ;>> + ld a,d + or a + ld a,e ;<< + jr z,DrawPeaPixel ;d=0:draw + and (hl) ;pixel? + ret z + ld d,1 ;d=1:yes 2:no + ret +DrawPeaPixel: + xor (hl) ;change pixel + ld (hl),a + ret + +;-------- pixelprocs --------- + +set4pixels: + call SetPixel + inc b + call SetPixel + inc c + call SetPixel + dec b +SetPixel: ;at bc + call FindPixel + or (hl) + ld (hl),a + ret + +chk4pixels: ;&& + call CheckPixel + inc b + call CheckPixel + inc c + call CheckPixel + dec b + call CheckPixel + dec c + ret +CheckPixel: ;at bc in d + call FindPixel + and (hl) + ret z + dec d + ret + +;CLEM's FIND_PIXEL (131 cycles; 28 bytes) +; (b,c) to hl:a; destroyes: -) + +FindPixel: + ld h,ScrBuffer/$800 + ld a,c + add a,a + add a,a + ld l,a ;hl=4*y + offset/8 + ld a,b + rra + add hl,hl + rra + add hl,hl + add hl,hl ;hl=32*y + offset + rra ;a=x/8 + or l + ld l,a + ld a,b + and 7 + cpl + rlca + rlca + rlca + ld (FP_Bit),a + xor a +FP_Bit =$+1 + set 0,a + ret + +;----------- score ----------- + +HuntingTimeScore: + .db $dd,$7d ;ld a,lx + cp worm2&255 + ret z ;=worm#2 + dec (ix+reserv) + ret nz + ld de,10 + +IncScore: + ld h,(ix+score+1) + ld l,(ix+score) + add hl,de + jr scorecommon +DecScore: ;&&& + ld h,(ix+score+1) + ld l,(ix+score) + or a + sbc hl,de + ret c +scorecommon: + ld (ix+score+1),h + ld (ix+score),l + ld de,0 +scorelimit =$-2 + call _cphlde + jp nc,Exit + +showstats: + push ix + ld h,0 + ld l,h + ld (_penCol),hl + ld a,(nrworms) + ld b,a + ld ix,worm1 + ld a,(gameCar) + and _datanextl + jr nz,showstatsS +showstatloop: + push bc + call showstat + ld de,worm2-worm1 + add ix,de + ld hl,_penCol + ld a,(hl) + add a,10 + ld (hl),a + pop bc + djnz showstatloop + pop ix + ret + +showstat: + ld a,(gameCar) + and _datalivel + jr nz,showlives +showscore: + ld h,(ix+score+1) + ld l,(ix+score) + call _D_HL_DECI + jr __vputs +showlives: + ld a,(ix+lives) + add a,'0' +__vputmap: + push ix + call _vputmap + pop ix + ret + +showstatsS: + ld hl,txtLevel + call __vputs + ld a,(Level) + cp 10 + jr c,tilllevel9 + ld l,a + ld h,0 + call _divHLby10 + push af + ld a,l + add a,'0' + call __vputmap + pop af +tilllevel9: + add a,'0' + call __vputmap + + ld a,98 + ld (_penCol),a + call showscore + ld a,123 + ld (_penCol),a + call showlives + ld a,(gameCar) + and _datafoodl + pop ix + ret z +showleft: + ld a,31 + ld (_penCol),a + ld a,0 +Left =$-1 + push af + call _divAby10 + add a,'0' + call __vputmap + pop af + add a,'0' + call __vputmap + ld hl,txtLeft +__vputs: + push ix + call _vputs + pop ix + ret + +showLevel: + ld hl,txtLevel + call _puts + ld a,(Level) +showA: + cp 10 + jr c,LevelBelowTen + ld l,a + ld h,0 + call _divHLby10 + push af + ld a,l + add a,'0' + call _putc + pop af +LevelBelowTen: + add a,'0' + jp _putc + +showHL: + call _D_HL_DECI + jp _puts + +_D_HL_DECI: + ld de,savestr+4 + ld b,5 +ldhld: + call _divHLby10 + add a,'0' + ld (de),a + dec de + djnz ldhld + ld hl,savestr + ret +savestr: + .db "00000",0 + +;----------------------------- + +DisplayField: + ld a,c + sub 29 + jr nc,NotMinYScroll + xor a +NotMinYScroll: + cp 43 +FieldHeight =$-1 + jr c,NotMaxYScroll + ld a,(FieldHeight) +NotMaxYScroll: + ld l,a + ld h,0 + add hl,hl + add hl,hl + add hl,hl + add hl,hl + add hl,hl + push bc ; >> 1 + push de ; >> 2 + ld de,ScrBuffer + add hl,de + ld a,b + sub 64 + jr nc,NotMinXScroll + xor a +NotMinXScroll: + cp 128 +FieldWidth = $-1 + jr c,NotMaxXScroll + ld a,(FieldWidth) +NotMaxXScroll: + push af ; >> 3 + and %11111000 + rra + rra + rra + ld c,a + ld b,0 + ld de,DispBuffer + pop af ; << 2 + and %00000111 + push af ; >> 3 + cp 6 + jr c,CopyScreen + inc c +CopyScreen: + add hl,bc + ld b,57 +CopyScreenLoop: + push bc ; >> 4 + ld bc,16 + ldir + ld c,16 + add hl,bc + pop bc ; << 3 + djnz CopyScreenLoop + pop af ; << 2 + ld c,$b7 ;or a +Bit0: + jr nz,Bit1 + halt + halt + jr AfterShiftDelay +Bit1: + dec a + jr nz,Bit2 + call ShiftRight1 + jr AfterShiftDelay +Bit2: + dec a + jr nz,Bit3 + ld a,2 + call ShiftRight + jr AfterShiftDelay +Bit3: + dec a + jr nz,Bit4 + call Chunk + call ShiftLeft1 + jr AfterShift +Bit4: + dec a + jr nz,Bit5 + call Chunk + jr AfterShiftDelay +Bit5: + dec a + jr nz,Bit6 + call Chunk + call ShiftRight1 + jr AfterShift +Bit6: + dec a + jr nz,Bit7 + ld a,2 + call ShiftLeft + jr AfterShift +Bit7: + call ShiftLeft +AfterShiftDelay: + halt +AfterShift: + ld hl,DispBuffer + ld de,$fc00+$70 + ld bc,1024-$70 + ldir + pop de ; << 1 + pop bc ; << 0k + ret + +ShiftRight1: + ld a,1 +ShiftRight: + ld (ShiftRightCounter),a + ld a,c + ld (ShiftRightChunk),a + ld c,16 + add hl,bc + ld b,57 +ShiftRightLoop: + push bc + ld bc,-32 + add hl,bc + ex de,hl + ld a,(de) +ShiftRightChunk: + or a + call c,_SHLACC + ld c,0 +ShiftRightCounter = $-1 +ShiftRowsLeft: + push hl + rla + ld b,16 +ShiftRowLeft: + 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 ShiftRightLoop + ret + +ShiftLeft1: + ld a,1 +ShiftLeft: + ld (ShiftLeftCounter),a + ld a,c + ld (ShiftLeftChunk),a + rla + jr nc,ShiftLeftSameByte + dec hl +ShiftLeftSameByte: + ex de,hl + ld bc,-16 + add hl,bc +NewSprite: + ex de,hl + ld b,57 +ShiftLeftLoop: + push bc ; >> 1 + ld bc,-32 + add hl,bc + ex de,hl + ld a,(de) +ShiftLeftChunk: + or a + call c,_SHRACC + ld c,0 +ShiftLeftCounter = $-1 +ShiftRowsRight: + push hl ; >> 2 + rra + ld b,16 +ShiftRowRight: + rr (hl) + inc hl + djnz ShiftRowRight + pop hl ; << 1 + dec c + jr nz,ShiftRowsRight + ld bc,-16 + add hl,bc + ex de,hl + pop bc ; << 0k + djnz ShiftLeftLoop + ret + +Chunk: + push hl ; >> 1 + push de ; >> 2 + ld c,16 + add hl,bc + ld b,57 +ChunkScreen: + push bc ; >> 3 + ld bc,-32 + add hl,bc + ex de,hl + ld a,(de) + call _SHRACC + ld b,16 +ChunkRow: + dec hl + rld + djnz ChunkRow + ex de,hl + pop bc ; << 2 + djnz ChunkScreen + pop de ; << 1 + pop hl ; << 0k + ld c,$37 ;scf + ret + +;----------- draw ------------ + +loaddrawdata: + ld d,(hl) + inc hl + ld e,(hl) + inc hl + ld a,(hl) + inc hl + ret + +Line: ;draw line from de to hl (doptions) + .db "Hunting ",0 ;5 + .db "Race ",0 ;6 + .db "CTF ",0 ;7 + .db "Domination",0 ;(>=8) +txtWaiting: .db "Waiting...",0 +txtReceive: .db "Receiving...",0 + +WormVersion = 092 +WormMsg: .db "WORM by SHIAR -- test version",0 +txtLevel: .db "Level ",0 +txtWorms: .db "Worms: 0",0 ;follows txtLevel +txtDied: .db "Died ",0 +txtScore: .db "Score",0 ;follows txtDied +txtLeft: .db " left",0 ;follows txtScore +txthiscore:.db "HiScore:",0 +txtReady: .db "Prepare!",0 +txtposReady = 7 +txtGO: .db "----- GAME OVER -----",0 + +gamesdata: + +_datalink = %00000001 +_datasingl = %00001000 ;singleplayer=1 +_datalivel = %00000010 ;ix+lives=0 limit +_datafoodl = %00000100 ;left=0 limit +_datanextl = %00001000 ;next level if left=0 +_datafood = %00010000 ;food present +_datahunt = %00100000 +_datalaps = %01000000 ;give lap score +_datascore = %10000000 ;score>=100 limit + +datasingle: .db %00011110 + .dw LevelsS +datapeas: .db %00011010 + .dw LevelsS +datadeathm: .db %00000010 + .dw LevelsDM2 +datafoodm: .db %10010000 + .dw LevelsDM +datalinkm: .db %00000011 + .dw LevelsDM +datahuntin: .db %10100000 + .dw LevelsH +datarace: .db %11000000 + .dw LevelsR +datactf: .db %00000000 + .dw LevelsDM +datadomin: .db %00000000 + .dw LevelsDM + + +setdata = 18 +resbit = 2 ;and%11111011 +worm1set: .dw $B000,$B000 ;%10110000 + .db 3,0,%01111110,%10,%100 ;< > + .db "Worm #1",0 +worm2set: .dw $B800,$B800 ;%10111000 + .db 3,0,%00111111,%10000,%1000 ;f1 f2 + .db "Worm #2",0 +worm3set: .dw $E800,$E800 ;%11101000 ;$D748+$1000+ + .db 3,0,%01011111,%10,%100 ;sto , + .db "Worm #3",0 +worm4set: .dw $F000,$F000 ;%11110000 + .db 3,0,%01111101,%10,%1 ;enter + + .db "Worm #4",0 +worm1 = $B400 +worm2 = $B430 +worm3 = $B460 +worm4 = $B490 +end: + ;set: +heading = 0 ;level* +pos = 2 ;level* +pos2 = 4 ;level +grow = 6 ;level +died = 8 ;game +score = 9 ;game +delay = 11 ;game + +head = 12 ;level +tail = 14 ;level +lives = 16 ;game +reserv = 17 ;loop + ;race:lap + ;hunt:time +input = 18 ;& +left = 19 ;& +right = 20 ;& +name = 21 ;game + +Level =$+1 +DispBuffer =$+2 ;912 bytes + +ScrBuffer = $8000 ;-$A1FF (32x256) +SinCosTable = $A200 ;-$A300 (4x64) + +;----------------------------- +;----------- end ------------- +;----------------------------- + +.end \ No newline at end of file