X-Git-Url: http://git.shiar.nl/wormy.git/blobdiff_plain/7ad6d272ed2820c7e2c8c884d1184072168d80d0..8f60bb28bd8e341e88dfc15ae3db93991f753cf5:/wormy.z80 diff --git a/wormy.z80 b/wormy.z80 index ab13324..785cea9 100644 --- a/wormy.z80 +++ b/wormy.z80 @@ -16,39 +16,117 @@ ; ßÛÛÛß ßÛÛßß ßÛÛÛÛÛß ÛÛ ÛÛÝ ßÛÛÛÛÛÛÛÛÛß ;_______________________________________________________________________________ ; -; Version : 97% (0.97.19) -; Release Date : 2002 January 9 +; Version : 98% (0.98.118) +; Release Date : 2002 January 18 ; Author(s) : Shiar ; Email Address : wormy@shiar.org ; Web Page : www.shiar.org -; Description : ruling Nibbles-like game 1-4 players -; Where to get this game : www.shiar.org (home of Wormy) +; Description : perfect Nibbles game with free movement, nine +; game modes, for 1-4 players +; Where to get this game : www.shiar.org ; Other games by author(s) : Nemesis beta ; Additional Credits to : Matthew Shepcar : wrote original Peaworm, end'98 ; Jonah Cohen : helped writing worm ; Files : wormy.z80 (89kB) : 515ad14b922572bdc8a96e780b8b24ca -; wormy.86p (6532) : efef32a8c541b4585087f55deb31f51d +; wormy.86p (6512) : efef32a8c541b4585087f55deb31f51d ;_______________________________________________________________________________ -;NOTES: -;* Use for LEARNING practises ONLY! -; Don't _ever_ release altered code w/o permission! -;* Code was originally by Scabby (Matthew Shepcar), -; a few lines by Jonah Cohen, -; and everything else by me - Shiar (Mischa Poslawsky). -;* Although I've commented & labeled quite some stuff, I can't guarantee -; everybody will understand it. This is probably not the best source -; to learn z80 from. w00t the Shyer Way (tm). -;* Also read wormy.txt please, thank you -;* Don't scroll down if you get scared easily. +;--- notes --------------------------------------------------------------------- + +; * Game README is wormy.txt +; * Use for LEARNING practises ONLY! +; * Don't _ever_ release altered code w/o permission! +; * Give me credits when you use stuff inhere +; * I'm not responsible for any damage this might cause, yada yada... +; * Although I've commented & labeled quite some stuff, due to +; crazy optimizations and weird coding, it may be harder to +; understand than the average blob of code. This is probably _not_ +; the best source to learn z80 from. w00t the Shyer Way (tm). +; * Email me. If you've got suggestions, tell me. +; * Don't scroll down if you get scared easily. + +;--- index --------------------------------------------------------------------- + +;-* TO_DO +; | future features +;--* #INCLUDE +;---* STORAGE +; | permanent +; | temporary +; | layout +;----* PROG_START +; | search levels +;-----* LEV_SELECT +;------* MORE_INIT +; | trig tables +;-------* MAIN_MENU +; | draw menu +; | options menu +; | main menu +; | display current settings +; | handle menukeys +; | change name +;--------* MISC_PROCS +;---------* START_GAME +; | link +; | client +; | set/send worms +; | host +; | load game +; | draw level +; | prepare +;----------* GAME_LOOP +;-----------* KEYS +; | pause menu +;------------* GAME_OVER +; | who won? +; | display worms +; | quit +;-------------* WORM_STUFF +;--------------* WORM_ALIVE +; | move worm +; | draw worm +;---------------* BOUNCYBALL +;----------------* WORMY_HIT +; | multifood +; | ctf +; | main +; | foodmatch|SP +; | take pea +; | misc +;-----------------* PROCS +;------------------* SCORE +;-------------------* DISPLAY +;--------------------* DRAW +; | pixel +; | findpixel +; | objects +; | circle +; | box +; | fatline +; | line +;---------------------* LINK! +; | multiple bytes +; | foo +; | send +; | recv +; | common +;----------------------* INT_LEVELS +;-----------------------* DATA +; | graphics +; | menus +; | text +; | foo +; | game settings +;------------------------* THAT'S_ALL ;_______________________________________________________________________________ -; _______ _____ ______ _____ -; | | | | \ | | -; | |_____| _____ |_____/ |_____| +; _______ _____ ______ _____ +; | | | | \ | | +; | |_____| ____ |_____/ |_____| ;_______________________________________________________________________________ -; 97% = DONE +; 97% = PREVIOUS ; X [15] lives >9 dispay ; X [15] sp modes not configurable ; X [16] LVL: episode #2: 10 sp levels @@ -57,29 +135,73 @@ ; X [19] datalevels+nrlevels not in program if !intlevels ; X [19] mem at worm #4 (still 12 bytes or so.. or more? or less?) ; X [19] alter level editor to use new address and set level id #97 -; 1% * misc (bugs, &&&, pollish, &&, &) -; * menu s/limit/peas in multifm -; * autogrowth doesn't always work -; * look at init-z in line routine again -; * team score! -; * random pixel still occurs -; * LINK: optimize transmit +; X [19A] team score! +; X [19A] autogrowth doesn't always work -> init (turn) +; X [111] ED: disabled objects counted causing CRASH when writing hiscore! +; X [111] LINK: init+multiple pea transmit seems to work.. +; X [111] LINK: host/client swapped (host now sends level config) +; X [111] LINK: optimize transmit (most initcode same for client+host) +; X [113] menu limit in multifm not x10 +; X [113] wormhit procedure seperate (called now) +; X [114] LINK: peas sent again :P +; X [114] internal level check and sprite storage removed +; X [115] layout data stuff at bottom +; X [115] ED: init place bar fixed +; X [115] ED: keys also usable together with mouse +; X [115] ED: improved version handling +; X [115] LINK: receive message not needed anymore afaik +; X [115A] $D8 used for spacing at g/o screen. i rule B) +; X [115A] exit at g/o goes back to menu +; X [115A] more in menu lets you reselect the levelfile +; X [115A] LINK: fixed waiting mode (minor display problem) +; X [116] incs at skiplevels effectively replaced by add (-4 bytes) +; X [116] another 2 bytes shaved off +; X [116] LINK: received gamemode now displayed correctly at g/o +; X [116] gamecar right after gametype saves about 20 bytes +; X [116] LINK: minimize sent data +; X [116] remove +input in worm storage +; X [116] head position init uses same data as tail (-4 bytes) +; X [116] fix bug at no levels (115A intro) +; X [117] saved 6 bytes by hardcoding some empty bytes in title graphics +; X [117] two pieces of duplicate code removed +; X [117] combined temporary storage for _D_HL_DECI and temp hiscore +; X [117] more repetitious code shortened +; X [117] wrong stack handling in checkpea, and unnecessary bloat +; X [117] stopworm after eating pea (pea|wall overwrite fixed!) +; X [117] old code removed from hitworm +; X [117] replace jps by jrs (moved code around a bit) +; X [117] scorebar doesn't diplay 1st wormname char anymore +; X [117] scorebar can display both lives and score when appropriate +; X [118] look at init-z in line routine again -> fixed steepline init-z +; X [118] snake86 findpixel (saves 1 byte) +; X [118] removed flash at new level start +; X [118] begin growth set in normal worm init loop +; X [118] bad code and potentially bad code reviewed and optimized +; X [118] final sourcecode layout ((sub)captions, index, indents, etc) +; 98% = CURRENT +; X [119] ED: new 53 file format with support for 128 objects instead of 32 +; X [119] LVL: episode #4: 10 hard sp levels (ordered XO-XO-XO-X) ; 1% * LINK: >Somehow do a lot of testing with 2 calcs< *sigh* -; * LINK: called "Linkmatch" at g/o -; * LVL: episode #3: at least 5 lvls for each mp mode -; * LVL: episode #4: 10 sp levels, including multipeas -; 1% * LVL: episode #5: ... +; * LVL: episode #1: add 2-3 circle- and line levels. +; * LVL: episode #3: 6x5 multiplayer levels +; * LVL: episode #5: 10 easy sp levels (do i _have_ to?) +; * LVL: Eric? (ep#5?) ; * LVL: Wormage ; * LVL: Free Bird ; * LVL: Jonah? +; 1% * fix any bugs that come up -;100% = bugs fixed + levels done -;> * switchable scoredecrease on death? -; * wall at pickup position fix -; * arrow to offscreen peas -;110% * sound +;--- future features ----------------------------------------------------------- + +;just a maybe-list; NO guarantees! +; +; * correct team winners +; * level compression +; * arrow to offscreen peas +; * sound ; * startpos -;120% * coop (DON'T COUNT ON IT) +; * pause in linkplay +; * coop (DON'T COUNT ON IT) ;_______________________________________________________________________________ ; _/_/_____ __ _ _______ _ _ ______ _______ @@ -133,7 +255,6 @@ _GETB_AHL = $46C3 ;a=(ahl) \ hl=ahl ;#define intlevels ;-internal levels ;#define readytext ;-displays "prepare" before level starts ;#define invincible ;-worms cannot die =) -;#define optdie ;-in race games worms dont die when they run into each other ;_______________________________________________________________________________ ; _______ _______ _____ ______ _______ ______ _______ @@ -141,20 +262,20 @@ _GETB_AHL = $46C3 ;a=(ahl) \ hl=ahl ; ______| | |_____| | \_ | | |_____| |______ ;_______________________________________________________________________________ -;--- permanent --- +;--- permanent ----------------------------------------------------------------- ScrBuffer = $8420 ;-A3FF (20*FF=1FE0) worm4p = $A400 ;-A5FF (200) %101001O0 ;free = $A600 ;-A7FF (200) worm2p = $A800 ;-ABFF (400) %10101O00 SinCosTable = $AC00 ;-AD00 (4*40) -worm1 = $AD01 ;-AD1F (1F) -worm2 = $AD20 ;-AD3E (1F) -worm3 = $AD3F ;-AD5D (1F) -worm4 = $AD5E ;-AD7C (1F) -balls = $AD7D ;-AE00 (<=3x44d) -turn10 = $AE01 ;-AE01 (1) (counter) -peaspos = $AE02 ;-AF05 (4-260) (peas) +worm1 = $AD01 ;-AD1E (1E) +worm2 = $AD1F ;-AD3C (1E) +worm3 = $AD3D ;-AD5A (1E) +worm4 = $AD5B ;-AD78 (1E) +balls = $AD79 ;-AE00 (<=3x2D) (bb<=45) +turn10 = $AE01 ;-AE01 (1) (counter) +peaspos = $AE02 ;-AF05 (4-260) (peas) ;free = $AF06 ;-AFFF (F9) worm1p = $B000 ;-B7FF (800) %1011O000 worm3p = $B800 ;-BBFF (400) %10111O00 @@ -165,13 +286,14 @@ leveldata = $F080 ;-F9FF (<=97F) #ifndef intlevels datalevels = $FA00 ;-FA11 (12) (>=$C000) nrlevels = $FA12 ;-FA1B (A) (<$FA70) +defspr = $F078 ;-F07F (8) #endif ;MEM|8---9---A---B---C---D---E---F---| ;there's something wrong ; |..[------]||[]|......[-----]|[].| ;if you still understand < OUTDATED < ; | SCREEN 2* 13 PRGM 4LV | ;after looking at this -;--- temporary --- +;--- temporary ----------------------------------------------------------------- namelength = $BC00 ;(1) @menu datalink = $BC00 ;(8) @init @@ -185,6 +307,28 @@ lefttotalb = $BF91 ;(1) @game drawctfpea1 = peaspos+4 drawctfpea2 = peaspos+6 +;--- layout -------------------------------------------------------------------- + +;(wormN) set: +heading = 0 ;level* +pos = 2 ;level* +pos2 = 4 ;level +grow = 6 ;level +died = 8 ;game: +score = 9 +delay = 11 +lives = 12 +head = 13 + ; Ú15B (wormNset) +tail = 15 ; |also@next level +storepos = 17 ; | +reserv = 18 ; |loop (race:lap|ctf:pea) +left = 19 ; | +right = 20 ; | +name = 21 ; |_ + +wormsize = 30 ;^mark^ + ;_______________________________________________________________________________ ; _____ ______ _____ ______ _______ _______ _______ ______ _______ ; |_____] |_____/ | | | ____ |______ | |_____| |_____/ | @@ -212,7 +356,7 @@ start: ;turn back NOW! .db %1010010 jr nz,$+47 dec l - .db " 97% .19",0 + .db " 98% .118",0 WormIcon: .db 8,2 .db %00000000,%00111100 @@ -262,6 +406,9 @@ Start: ld i,a im 2 ;...it *does* work ;) +;--- search levels ------------------------------------------------------------- + +restart: cal _RAM_PAGE_7 ld hl,$BFFF ;VAT start ld ix,templevels @@ -277,11 +424,8 @@ searchloop: jr z,stringfound searchnext: pop hl - dec hl ;5x - dec hl - dec hl - dec hl - dec hl + ld de,-5 + add hl,de ld b,(hl) ;name size inc b skipname: @@ -364,7 +508,7 @@ levelselectmenu: ;load next page ld hl,$FC00+(2*16) ld b,16*9 cal menuinvloop - ld hl,$FC00+(56*16) + ld hl,$FC00+$380 ;(*,56) cal hr ld hl,$0601 ;x=1 ld (_penCol),hl @@ -492,8 +636,10 @@ levselectmenu: loadlevel: cal readylevelfile +#ifdef intlevels or a ;levelfile on page 0 (=internal) jr z,levelloaded +#endif cal skiptitle ;skip description cal _Get_Word_ahl @@ -545,9 +691,9 @@ setdeflevels: ; | | | |_____| | \_ |______ _____ __|__ | \_| __|__ | ;_______________________________________________________________________________ -;--- trig tables --- +;--- trig tables --------------------------------------------------------------- - ld hl,TrigPrecalc ;I believe this + ld hl,trigtable ;I believe this ld de,SinCosTable ;is one of the few psh de ;pieces of original ld bc,65 ;Peaworm code still @@ -576,14 +722,25 @@ NegativeSineWave: ; | | | | | __|__ | \_| _____ | | | |______ | \_| |_____| ;_______________________________________________________________________________ -;---draw menu--- +;--- draw menu ----------------------------------------------------------------- DisplayMenu: cal linkok cal _clrWindow ld de,$FC40 ;(0,4) ld hl,wtPicture - ld bc,16*16 + ld a,3 +optimize__w00t: ;may look like crap, but actually saves 3 bytes! + ldi + ld bc,6 + ex de,hl + add hl,bc + ex de,hl ;add de,6 + ld c,16-7 ;=bc + ldir + dec a + jr nz,optimize__w00t + ld c,13*16 ;=bc ldir ld hl,$FC00+$010 ;(*,01) cal hr @@ -592,14 +749,14 @@ DisplayMenu: ld hl,$FC00+$3E0 ;(*,62) cal hr dispmainmenu: - ld a,(Gametype) + ld a,(gametype) dec a ;will be inced @changegame cal changedgame ld hl,changegame ;dispmenusets ;mainMenu psh hl ;jump here after ret ld hl,txtMenu ld ix,posMenu -;Mode|Level|Limit|Worms|worm #|controls +;Mode|Level|Link|Worms|worm #|controls ; jr dispmenucommon ;cal dispmenucommon_: @@ -608,14 +765,11 @@ dispmenucommon: ld de,$FD80 ;begin pos xor a clroldmenuloop: + ld c,4 ld (de),a inc de - ld (de),a - inc de - ld (de),a - inc de - ld (de),a - inc de + dec c + jr nz,clroldmenuloop+2 dnz clroldmenuloop ld b,(ix) @@ -639,7 +793,7 @@ hrloop: dnz hrloop ret -;--- options menu --- +;--- options menu -------------------------------------------------------------- dispoptionmenu: ld hl,txtoMenu @@ -649,9 +803,9 @@ dispoptionmenu: dispomenusets: #ifdef spprotect - ld a,(gameCar) - and _datasingl - jp nz,LetsGetThisPartyOn + ld a,(gamecar) + rra ;and _datasingl + jp nc,LetsGetThisPartyOn ;SP -> start game #endif cal clrold @@ -710,6 +864,9 @@ dispturndone: cal cshowA ;limit pop af ;a==0? jr z,optionMenu ;do not display 0 behind 'None' + ld a,c ;(gamecar) + rla ;and _dataPmult + jr nz,optionMenu ;in multifood limit == #peas ld a,'0' cal _vputmap ;x10 @@ -859,7 +1016,7 @@ bchangegrowth: jr z,__optionMenu ;<-1 jr changedgrowth -;--- main menu --- +;--- main menu ----------------------------------------------------------------- mainMenu: cal menupos @@ -880,8 +1037,8 @@ changenrworms: cal change4spOnly ld a,(hl) ;hl=nrworms inc a - cp 5 - jr nc,mainMenu ;may not be >4 + cp 7 + jr nc,mainMenu ;may not be >4+2 changednrworms: ld (hl),a jr _dispmenusets ;mainMenu @@ -889,6 +1046,8 @@ changednrworms: notselect cp K_EXIT jp z,ExitNoStats + cp K_MORE + jp z,restart psh af cal menupos cal loadgamecar @@ -913,13 +1072,11 @@ selright: ; jr z,changecurworm changecurworm: -; hl=nrworms - ld a,(curworm) - cp (hl) - jr nc,mainMenu ;may not become >(nrworms) - inc a -changedcurworm: - ld (curworm),a + ld hl,curworm + ld a,(hl) + cp 4 + jr nc,mainMenu ;may not become >4 + inc (hl) jr _dispmenusets ;mainMenu selleft: @@ -936,27 +1093,24 @@ selleft: ; jr z,bchangecurworm bchangecurworm: - ld a,(curworm) - dec a ;0-3 - jr nz,changedcurworm ;save >0 + ld hl,curworm + ld a,(hl) + dec (hl) ;0-3 + jr nz,_dispmenusets ;save >0 + inc (hl) +_mainMenu: jr mainMenu -changenrwormsInit: - ld a,(Gametype) - cp 3 - ld a,(hl) ;hl=nrworms - ret bchangenrworms: cal change4spOnly ld a,(hl) ;hl=nrworms - dec a ;0-3 + dec a ;0-(3+2) cp 2 jr nc,changednrworms ;save >=2 -_mainMenu: - jr mainMenu + jr _mainMenu change4spOnly: - ld a,(Gametype) + ld a,(gametype) cp 3 ret nc pop hl ;cal @@ -966,7 +1120,7 @@ changelink: bchangelink: cal change4spOnly dec hl ;inced earlier - dec hl ;gameCar + dec hl ;gamecar ld a,1 ;change LS-bit (=link) xor (hl) ;0=1; 1=0 ld (hl),a @@ -974,7 +1128,7 @@ _dispmenusets: jr dispmenusets ;mainMenu changegame: - ld a,(Gametype) + ld a,(gametype) inc a cal changedgame jr z,changegame @@ -986,13 +1140,13 @@ changedgame: jr nc,changedgameok xor a ;9 -> 0 changedgameok: - ld (Gametype),a + ld (gametype),a cal getnrlevels xor a cp (hl) ret bchangegame: - ld a,(Gametype) + ld a,(gametype) dec a cal changedgame jr z,bchangegame @@ -1018,7 +1172,7 @@ bchangelevel: jr _mainMenu getnrlevels: ;for current gametype at hl - ld hl,Gametype + ld hl,gametype ld d,0 ld e,(hl) ld hl,nrlevels @@ -1043,28 +1197,19 @@ waitcustomkey: changekeys: cal getwormname - ld hl,txtKeyleft + ld hl,txtKleft cal getcustomkey ;left cal getcustomkey ;right ; jr dispmenusets -;--- display current settings --- +;--- display current settings -------------------------------------------------- dispmenusets: - cal clrold ld de,$183E ld (_penCol),de - ld d,0 - ld a,(Gametype) - ld e,a - ld hl,posGame - add hl,de ;hl=posGame+(Gametype) - ld a,(hl) ;str.offset - ld e,a ;^d=0^ - ld hl,txtGame - add hl,de ;txtGameX - ld (CURtxtGame),hl ;save for g/o - cal _vputs ;Singleplayer + cal clrold + cal loadtxtgame + cal _vputs ;Singleplayer or smtn ld hl,$2A3E ;worms ld (_penCol),hl @@ -1072,12 +1217,19 @@ dispmenusets: psh hl inc hl ld a,(hl) + dec a ;0-5 + and 3 ;0-3 + inc a ;1-4 add a,'0' cal _vputmap + ld a,(hl) + cp 5 + ld hl,txtteamed + cal nc,_vputs ld hl,$243E ld (_penCol),hl - rr c ;(gameCar) + rr c ;(gamecar) ld hl,txtNo jr nc,displink ld hl,txtYes @@ -1090,7 +1242,7 @@ displink: psh bc ld d,0 cal hlatlevel - ld a,(Gametype) + ld a,(gametype) or a ;gamesingle jr nz,displvlname ld a,(Level) @@ -1119,7 +1271,7 @@ curworm =$-1 cal _vputs jp mainMenu -;--- handle menukeys --- +;--- handle menukeys ----------------------------------------------------------- menucall: psh bc @@ -1180,21 +1332,20 @@ menunewok: ld b,a jr menupos -;--- change name --- -; of worm#(curworm) +;--- change name --------------------------------------------------------------- getwormname: ;of (curworm) ld a,(curworm) - add a,a ;2x ld e,a + add a,a ;2x add a,a ;4x add a,a ;8x add a,a ;16x - add a,e ;18x + sub e ;15x ld e,a ld d,0 ;de=a - ld ix,worm1name-18 + ld ix,worm1name-15 add ix,de ret @@ -1208,7 +1359,7 @@ emptyname: ld (hl),' ' inc hl dnz emptyname - ld a,maxnamelength + ld a,maxnamesize ld (namelength),a enternameloop: ld hl,$FF07 ;begin pos @@ -1233,7 +1384,7 @@ nokeypressed: jr nz,continue backspace: ld a,(hl) - cp maxnamelength + cp maxnamesize jr nc,nokeypressed inc (hl) dec ix @@ -1246,7 +1397,7 @@ continue: dec (hl) ;(namelength) jr z,nameentered - ld hl,chartable + ld hl,chartable-1 ld e,a ld d,0 add hl,de @@ -1258,14 +1409,15 @@ continue: cal releasekeys jr enternameloop -chartable: - .db 0,".<>!",0,0,0,0 ;down,L,R,up - .db 0,"XTOJE0",0 ;enter..clear - .db " WSNID9",0 ;(-)..custom - .db "ZVRMHC8",0 ;dot..del - .db "YUQLGB7#" ;0..xvar - .db $D9,"-PKFA6'" ;on..alpha - .db "54321*",0,$D0 ;F5..more +chartable: ;("!@#$%,0" also used in _D_HL_DECI) + .db ".<>!" ;down|L|R|up|-|-|-|- + .db "w00t!" ;(makes code look way better) + .db "XTOJE0",-2 ;enter|+|-|*|/|^|clear|- + .db " WSNID9",-3 ;(-)|3|6|9|)|tan|custom|- + .db "ZVRMHC8",-4 ;.|2|5|8|(|cos|prgm|del + .db "YUQLGB7#" ;0|1|4|7|ee|sin|table|xvar + .db $D9,"-PKFA6'" ;on|sto|,|x2|ln|log|graph|alpha + .db "54321*",-5,$D0 ;F5|F4|F3|F2|F1|2nd|exit|more nameentered: pop ix ;stringbegin @@ -1283,7 +1435,7 @@ ubergetkey: halt ;save them batteries! yeah! jp GET_KEY -clrold: +clrold: ;destr:acdehl (acd=0) ld hl,$FD97 ;begin pos ld a,35 ;nr of lines clroldcustom: @@ -1302,19 +1454,21 @@ clroldsetsloop: hlatlevel: ;d must be 0 psh hl ;loadgamecar - ld a,(Gametype) ;8bytes -> 7bytes + ld a,(gametype) add a,a ld e,a ;=de ld hl,datalevels - add hl,de + add hl,de ;+2*mode cal _ldHLind ;ld hl,(hl) - pop de ;de=loadgamecar - inc de \ inc de - ld a,(de) ;(curlevel) + ex (sp),hl ;hl=loadgamecar + ld e,2 ;=de + add hl,de + ld a,(hl) ;(curlevel) ld (Level),a - ld d,a ;begin level + ld c,a ;begin level + pop hl ;@level1 skiplevelloop: - dec d ;levels to skip + dec c ;levels to skip ret z cal skiplevel jr skiplevelloop @@ -1327,15 +1481,13 @@ skiplvltitle: ;zf=singleplayer jr nz,skiplvltitle ret -skiplevel: ;@hl - destr:ab - alter:hl - ld a,(Gametype) +skiplevel: ;@hl; de=2 - destr:ab - alter:hl + ld a,(gametype) or a ;gamesingle psh af cal nz,skiplvltitle - inc hl - inc hl - inc hl - inc hl ;skip 4 + add hl,de + add hl,de ;skip 4 ld b,(hl) ;spritesize inc b skipsprite: @@ -1344,52 +1496,39 @@ skipsprite: ld b,(hl) ;balls inc b inc b ;skip 6 - pop af ;cp (Gametype),0 - jr z,skipworms + pop af ;cp (gametype),0 + jr z,skipstuff inc b ;multiplayer lvl inc b inc b ;skip other 3 worms (9 bytes) -skipworms: - ld a,b - add a,a - add a,b - ld b,a ;3x(balls+2) -skipballs: - inc hl - dnz skipballs - -skipflags: - ld a,(Gametype) - cp gamerace +skipstuff: + add hl,de + inc hl ;3x(balls+2) + dnz skipstuff + sub gamerace ;a=(gametype) jr z,skiplaps - cp gamectf - jr nz,noflagstoskip - inc hl - inc hl + dec a ;gamectf + jr nz,skipobjects + add hl,de skiplaps: - inc hl - inc hl -noflagstoskip: - + add hl,de skipobjects: xor a or (hl) inc hl ;nf ret z ;0=end - inc hl - inc hl - inc hl - inc hl + add hl,de + add hl,de jr skipobjects loadgamecar: -;in: (Gametype) +;in: (gametype) ;out: hl=dataTYPE -;build: c=(gameCar)=(hl-1) +;build: c=(gamecar)=(hl-1) ; a=(wormbeglives)=(hl) ;destr: acdehl ld hl,datasingle - ld a,(Gametype) + ld a,(gametype) add a,a add a,a add a,a ;8 bytes per mode @@ -1397,7 +1536,7 @@ loadgamecar: ld d,0 add hl,de ld a,(hl) - ld (gameCar),a + ld (gamecar),a ld c,a inc hl ld a,(hl) @@ -1423,35 +1562,38 @@ createwormsloop: ld bc,died ;0008 add hl,bc ; ld b,0 - ld (hl),b ;died=0 + ld (hl),b ;+died=0 inc hl - ld (hl),b ;score=0 + ld (hl),b ;+score=0 inc hl - ld (hl),b ;score+1=0 + ld (hl),b ;+score+1=0 inc hl - ld (hl),2 ;delay=2 + ld c,2 + ld (hl),c ;+delay=2 inc hl - ld (hl),3 ;lives=x + ld (hl),3 ;+lives=x wormbeglives =$-1 inc hl ex de,hl ;de=wormX+head - ld bc,18 - ldir ;copy 18 bytes + ldir ;+head=+tail (2) + dec hl + dec hl + ld c,wormsize-tail ;=bc + ldir ;copy 15 bytes dec a ;loop jr nz,createwormsloop -OhMyGodItsALabel: ;pj34r my coding skillz +OhMyGodItsALabel: ;pj34r my coding skillz cal loadgamecar psh hl ;datatype cal hlatlevel ex (sp),hl ;pop \ psh leveldata psh hl ;psh loadgamecar - ld a,0 -gameCar =$-1 - rra ;and _datalink - jr nc,_StartLevel + ld a,(gamecar) + and _datalink + jr z,_StartLevel -;--- link --- +;--- link ---------------------------------------------------------------------- wormVhost = 095 wormVclient = 195 @@ -1460,129 +1602,134 @@ linkmatch: cal _clrWindow ld c,wormVhost cal Qsend - ld hl,txtWaiting + ld hl,txtWaitn cal _puts cal Crecv ld a,c cp wormVclient - jr z,client - cp wormVhost - jr z,host - pop hl ;error - jp DisplayMenu ;return to menu + jr nz,host + +;--- client -------------------------------------------------------------------- -host: - ld c,wormVclient - cal Qsend - jr sethost client: - ld hl,txtReceive - cal _puts -setclient: - ;name/keys: wormy#1 = link = 0 + link (name1) - ; 2 = worm #1 = #1 + local(name1) - ; 3 = link = 0 + link (name2) - ; 4 = worm #2 = #2 + local(name2) - ld de,worm2+left - ld hl,worm1+left - ldi ;keys worm#2 = worm#1 - ldi ;+right - ld de,worm4+left - ldi ;keys worm#4 = worm#2 - ldi - xor a - ld (worm1+left),a ;worm 1... - ld (worm3+left),a ;and worm 3 via link - ld hl,worm1+name - ld b,9 - cal recvstuff - ld hl,worm2+name - ld b,9 - cal sendstuff +; ld hl,txtReceiv +; cal _puts ;shouldnt be necessary since this part always seems to work afaik + + ;name/keys: wormy#1 = worm #1 = ok + ; 2 = link = 0 + link (name1) + ; 3 = worm #2 = #2 + local(name2) + ; 4 = link = 0 + link (name2) + ld e,worm3+left&255 + cal moveworm2 ;3=2 + ld l,worm1+name&255 + cal sendworm + ld l,worm2+left&255 + cal linkworm ;worm2+4 over link pop hl ;loadgamecar pop de ;leveldata + ld de,linklevel + ld hl,datalink psh de psh hl ;loadgamecar ld b,8 - cal sendstuff - ld hl,gameCar - ld b,1 - cal sendstuff - ld hl,Gametype - ld b,1 - cal sendstuff + cal recvstuff ;game setup + ld hl,gametype ;+gamecar + ld b,2 + cal recvstuff ;transmit game ex de,hl ld b,168 - cal sendstuff + cal recvstuff ;level + ld d,b + cal loadtxtgame ;set CURtxtGame + _StartLevel: jr StartLevel -sendstuff: - psh de -sendstuffloop: - psh bc - ld c,(hl) - inc hl - cal Qsend - pop bc - dnz sendstuffloop - pop de + +linkerror: + pop hl ;error + jp DisplayMenu ;return to menu + +;--- set/send worms ------------------------------------------------------------ + +moveworm2: + ld hl,worm2+left +moveworm: ;hl=wormN+left + ld d,worm1/256 + ld bc,11 + ldir ;keys+name worm(de) = worm(hl) ret -recvstuff: - psh de -recvstuffloop: - psh bc - cal Qrecv - ld (hl),c +linkworm: ;hl=wormN+left + ld (hl),0 ;worm1|2+left inc hl - pop bc - dnz recvstuffloop - pop de - ret -sethost: - ;name/keys: wormy#1 = worm #1 = ok - ; 2 = link = 0 + link (name1) - ; 3 = worm #2 = #2 + local(name2) - ; 4 = link = 0 + link (name2) - ld de,worm3+left - ld hl,worm2+left - ldi ;keys worm#3 = worm#2 - ldi ;+right - xor a - ld (worm2+left),a ;worm 2+4.. - ld (worm4+left),a ;..over link - ld hl,worm1+name + inc hl ;+name + ld b,9 + cal recvstuff + ld bc,worm3-worm1-11 ;+2 + add hl,bc ;b=0 + ld (hl),b ;worm3|4+left + inc hl + inc hl ;+name + ld b,9 + jp recvstuff +sendworm: ;hl=wormN+name ld b,9 cal sendstuff - ld hl,worm2+name + ld bc,worm3-worm1-9 + add hl,bc ;worm(N+2)+name ld b,9 - cal recvstuff + jp sendstuff + +;--- host ---------------------------------------------------------------------- + +host: + cp wormVhost + jr nz,linkerror + ld c,wormVclient + cal Qsend + + ;name/keys: wormy#1 = link = 0 + link (name1) + ; 2 = worm #1 = #1 + local(name1) + ; 3 = link = 0 + link (name2) + ; 4 = worm #2 = #2 + local(name2) + ld e,worm4+left&255 + cal moveworm2 ;4=2 + ld e,worm2+left&255 + ld hl,worm1+left + cal moveworm ;2=1 + ld l,worm1+left&255 + cal linkworm ;worm1+3 over link + ld l,worm2+name&255 + cal sendworm pop hl ;loadgamecar pop de ;leveldata - ld de,linklevel ;&&&&&&& - ld hl,datalink psh de psh hl ;loadgamecar ld b,8 - cal recvstuff - ld hl,gameCar - ld b,1 - cal recvstuff - ld hl,Gametype - ld b,1 - cal recvstuff + cal sendstuff ;setup + ld hl,gametype ;+gamecar + ld b,2 + cal sendstuff ;game ex de,hl ld b,168 - cal recvstuff + cal sendstuff ;level -;--- load level --- +;--- load level ---------------------------------------------------------------- StartLevel: pop hl ;loadgamecar ld a,(hl) ld (wormbeglives),a inc hl ;nrworms + ld b,$11 ;=ignore (ld) ld a,(hl) + cp 5 + jr c,teamset + sub 2 + ld b,$CD ;=continue (call) +teamset: ld (nrworms),a + ld a,b + ld (doteam),a ;do team score (CD) or not (11) inc hl ;level inc hl ld a,(hl) @@ -1590,6 +1737,7 @@ StartLevel: inc hl ld a,(hl) ld (growspeed),a + ld (turn),a inc hl ld a,(hl) ld (turnleft),a @@ -1597,7 +1745,7 @@ StartLevel: inc hl ld l,(hl) ld h,0 - ld a,(gameCar) + ld a,(gamecar) rla ld a,h ;(Left)=256 jr nc,setscorelimit @@ -1626,7 +1774,8 @@ Nextlevel: inc hl ;location of ending-code jp (hl) ;go there ("call") donextlevel: - ld a,(Gametype) + ld bc,gametype + ld a,(bc) or a ;gamesingle psh af cal nz,skiplvltitle @@ -1641,7 +1790,7 @@ setleft: ld (lefttotal),a dec a xor (hl) ;bit (hl),7 - ld bc,gameCar + inc bc ;gamecar ld a,(bc) jr z,leftloaded or 128+32 @@ -1662,13 +1811,8 @@ setspeed: inc hl ld de,peagrowth ldi - ld a,(hl) - ld (worm1+grow),a ;&&sh - ld (worm2+grow),a - ld (worm3+grow),a - ld (worm4+grow),a - ld (beginsize),a - inc hl + ld de,growsize + ldi ld a,(hl) inc hl @@ -1681,10 +1825,14 @@ setspeed: add hl,bc ;hl=behind sprite jr setsprite defaultsprite: - ld a,defspritesz +#ifndef intlevels + ld a,42 ;always overwritten +#else + ld a,defsprsz +#endif defsprsize =$-1 defsprite =$+1 - ld de,defspriteimg + ld de,defspr setsprite: ;de=@sprite ;a=sprsize ld (sprsize),a ld (spritepos),de @@ -1709,27 +1857,30 @@ toobad_noballs: #endif ld hl,worm1 - pop af ;cp (Gametype),0 + pop af ;cp (gametype),0 ld b,1 jr z,worminit ld b,4 worminit: psh bc ;>1 ex de,hl - ldi ;d + ldi ;+d ld a,SinCosTable/256 ld (de),a inc de - ldi ;y - ldi ;x + ldi ;+y + ldi ;+x ex de,hl xor a - ld (hl),a ;y2 + ld (hl),a ;+y2 inc hl - ld (hl),a ;x2 + ld (hl),a ;+x2 inc hl + ld a,(growsize) + ld (hl),a ;+growL inc hl - ld (hl),a ;growH=0 + xor a + ld (hl),a ;+growH=0 ld bc,(worm2-worm1)-7 add hl,bc @@ -1738,10 +1889,9 @@ worminit: inc a ;ld a,1 ld (turn10),a - inc a ;ld a,2 ld (flashtime),a -;--- draw level --- +;--- draw level ---------------------------------------------------------------- initlevel: ld a,(de) @@ -1762,13 +1912,7 @@ setfieldy: psh de ; >> levelp ld a,l ;pop sub 5 - ld l,a - ld h,0 - add hl,hl - add hl,hl - add hl,hl - add hl,hl - add hl,hl ;32=scr.width + cal ldhl32a ex de,hl ld hl,ScrBuffer @@ -1823,7 +1967,7 @@ NoVertShift: pop hl ; << levelp - ld a,(Gametype) + ld a,(gametype) cp gamerace ;or gamectf jr c,levelhasbeensetup ld de,peaspos @@ -1839,7 +1983,7 @@ levelhasbeensetup: cal drawstuff -;--- prepare --- +;--- prepare ------------------------------------------------------------------- leveldone: psh hl ; >> levelp new @@ -1877,10 +2021,10 @@ maskline: res 3,(iy+5) #endif - ld a,(gameCar) - rla ;bit _bitmultpeas,a + ld a,(gamecar) + rla ;bit __bitPmult,a cal c,multnewpea ;a=0 - rla ;bit _bitfood,a + rla ;bit __bitfood,a cal nc,NewPea nofood: ld bc,(worm1+pos) @@ -1940,13 +2084,13 @@ NoDelay: inc a ;-1 jr z,nextturnok dec (hl) - dec a ;0 (now <0) + dec a ;>=0 jr nz,nextturnok growspeed =$+1 - ld (hl),$FF + ld (hl),$FF ;reset nextturnok: - ld a,(gameCar) + ld a,(gamecar) and _datatime jr z,nodispupdate ld hl,turn10 @@ -1956,7 +2100,7 @@ nextturnok: cal forceshowstats ;update score nodispupdate: - ld a,(Gametype) + ld a,(gametype) cp gamectf jr nz,noctfpeas2draw ld de,drawctfpea1 @@ -2005,7 +2149,7 @@ CheckExit: jp c,GameLoop jp Exit ;jr? -;--- pause menu --- +;--- pause menu ---------------------------------------------------------------- disppausemenu: ld hl,txtpMenu @@ -2107,9 +2251,9 @@ SpSave = $-2 ld hl,$FC10 ld b,16*11 cal menuinvloop ;invert - ld hl,$FD80 + ld hl,$FC00+$180 cal hr ;menuinvloop w/ b=16 - ld hl,$FCE0 + ld hl,$FC00+$E0 cal hr ld hl,_curRow ld (hl),2 @@ -2119,9 +2263,9 @@ SpSave = $-2 ld hl,$FC00 ld b,16*8 cal menuinvloop ;invert - inc h ;$FD80 + inc h ;$FC00+$180 cal hr ;menuinvloop w/ b=16 - ld hl,$FCE0 + ld hl,$FC00+$E0 cal hr ld hl,_curRow inc (hl) @@ -2137,12 +2281,14 @@ CURtxtGame =$-2 ld (_penCol),de ld hl,txtName cal _vputs ;Name - ld a,$3D + ld a,$3C ld (_penCol),a cal _vputs ;Died Score ld de,$0004 ld (_curRow),de +;--- who won? ------------------------------------------------------------------ + findwinner: ld hl,(worm1+score) ld (winnerscore),hl @@ -2181,7 +2327,17 @@ nonewdmwinner: dnz finddmwinner ld (dmwinner),a -;--- display worms --- +;--- display worms ------------------------------------------------------------- + +;x123456789012345678901 +;>>>>>> GAME OVER <<<<< +;2Multiplayer +;3Level 01 +;4 Died Score: +;5NameName 03 00070 +;6Worm#02 @ 05 00120 +;7Worm#03 15 00030 +;8Snaky @ 00 04820 ld a,(nrworms) ld b,a @@ -2193,7 +2349,7 @@ displayWormStats: ld bc,left-died add hl,bc ;+left xor a - cp (hl) ;input=0 = link + cp (hl) ;left=0 = link jr nz,NoLinkIndic ld a,9 ld (_curCol),a @@ -2215,7 +2371,7 @@ NoLinkIndic: pop hl psh hl - ld a,(Gametype) + ld a,(gametype) cp gamedeathm jr nz,nodmwinner ;deathmatch? ld a,0 ;winner's deaths @@ -2247,7 +2403,8 @@ notwinner: pop bc dnz displayWormStats - ld a,(Gametype) + ld de,gametype + ld a,(de) or a ;singleplayer (0) only jr nz,hilevelcheckdone checkhilevel: @@ -2264,38 +2421,38 @@ hilvlposhl =$-2 ;save external cal _writeb_inc_ahl ;ld (ahl),c hilevelcheckdone: - ld a,(gameCar) - and _datasingl - jr z,hiscorecheckdone ;no SP + inc de + ld a,(de) ;gamecar + rra ;and _datasingl + jr c,hiscorecheckdone ;no SP checkhiscore: - cal loadhiscoreposinahl + cal loadhiscoreposinahl ;cf=0 (and) cal _SET_ABS_SRC_ADDR ;from ahl (lvlfile) +;-wild insertation- xor a - ld hl,highsave + ;Be Root to fix a Unix problem + ld hl,savestr + ;ReBoot to fix a Windows problem cal _SET_ABS_DEST_ADDR ;to local - ld hl,5 ;5 bytes - cal _MM_LDIR_SET_SIZE ;get old score+name - cal _RAM_PAGE_1 - - ld de,(highsave) ;de=prev. hiscore + ;W00t W00t to fix an assembly problem + cal mmldir5 ;get old score+name + ld de,(savestr) ;de=prev. hiscore ld hl,(worm1+score) ;hl=worm1's score cal _cphlde ;sub hl,de jr c,NotNewHigh ;newOld - ld (highsave),hl ;store new hiscore - ld de,highsave+2 ;to +newhigh: ;New>Old + ld (savestr),hl ;store new hiscore + ld de,savestr+2 ;to ld hl,worm1+name ;from ld bc,3 ;3 chars ldir ;store new hiname - cal loadhiscoreposinahl + cal loadhiscoreposinahl ;cf=0 (jr c) cal _SET_ABS_DEST_ADDR ;to ahl xor a - ld hl,highsave + ld hl,savestr cal _SET_ABS_SRC_ADDR ;from local - ld hl,5 - cal _MM_LDIR_SET_SIZE ;save new - cal _RAM_PAGE_1 + cal mmldir5 ;save new score+name ld hl,_curRow dec (hl) cal iswinner @@ -2307,58 +2464,31 @@ NotNewHigh: cal _vputs ld hl,$0C07 ld (_curRow),hl - ld hl,highsave+2 + ld hl,savestr+2 cal _puts - ld hl,(highsave) + ld hl,_curCol + inc (hl) + ld hl,(savestr) cal _D_HL_DECI cal _puts ;showHL hiscorecheckdone: waitkey: + ld hl,DisplayMenu + psh hl ;main menu +waitkeyloop: cal ubergetkey cp K_ENTER - jp z,DisplayMenu + ret z cp K_SECOND - jp z,DisplayMenu + ret z cp K_EXIT - jr nz,waitkey - -;x123456789012345678901 -;>>>>>> GAME OVER <<<<< -;2Multiplayer -;3Level 01 -;4 Died Score: -;5NameName 03 00070 -;6Worm#02 @ 05 00120 -;7Worm#03 15 00030 -;8Snaky @ 00 04820 - -ExitNoStats: - cal linkok - ld hl,_asapvar - rst 20h ;_ABS_MOV10TOOP1 - rst 10h ;_FINDSYM - ld hl,savestart-_asm_exec_ram+4 - xor a - add hl,de - adc a,b ;ahl=bde+4 - cal _SET_ABS_DEST_ADDR - - xor a - ld hl,savestart - cal _SET_ABS_SRC_ADDR - ld hl,saveend-savestart - cal _MM_LDIR_SET_SIZE - - cal releasekeys - res 4,(iy+9) - set 2,(iy+13) - im 1 ;remove keyfix - jp _clrWindow + jr nz,waitkeyloop + ret loadhiscoreposinahl: - ld hl,0 ;for peaworm and singleplayer - ld a,(Gametype) + sbc hl,hl ;cf=0 + ld a,(gametype) or a ;Singleplayer? jr z,hi__ dec a ;peaworm? @@ -2380,8 +2510,8 @@ hiscrposhl =$-2 hiscrposa =$+1 adc a,0 ;ahl=saveloc ret -highsave: - .db 0,0,"WOR ",0 +savestr: ;hiscore (00AAA) _D_HL_DECI (00000) + .db $BB,"w00t",0 iswinner: ld a,10 @@ -2389,50 +2519,67 @@ iswinner: ld a,'*' jp _putc ;..then put * -;_______________________________________________________________________________ -; _ _ _ _____ ______ _______ _______ _______ _ _ _______ _______ -; | | | | | |_____/ | | | |______ | | | |______ |______ -; |__|__| |_____| | \_ | | | _____ ______| | |_____| | | -;_______________________________________________________________________________ +;--- quit ---------------------------------------------------------------------- -respawncheck: - cp respawndelay-1 - jr nz,unnamedlabel - cal saverespawncounter +ExitNoStats: + cal linkok + ld hl,_asapvar + rst 20h ;_ABS_MOV10TOOP1 + rst 10h ;_FINDSYM + ld hl,savestart-_asm_exec_ram+4 + xor a + add hl,de + adc a,b ;ahl=bde+4 + cal _SET_ABS_DEST_ADDR + + xor a + ld hl,savestart + cal _SET_ABS_SRC_ADDR + ld hl,saveend-savestart + cal _MM_LDIR_SET_SIZE + + cal releasekeys + res 4,(iy+9) + set 2,(iy+13) + im 1 ;remove keyfix + jp _clrWindow + +;_______________________________________________________________________________ +; _ _ _ _____ ______ _______ _______ _______ _ _ _______ _______ +; | | | | | |_____/ | | | |______ | | | |______ |______ +; |__|__| |_____| | \_ | | | _____ ______| | |_____| | | +;_______________________________________________________________________________ + +respawncheck: + cp rspawndelay-1 + jr nz,unnamedlabel + cal saverespawncounter removeworm: - ld h,(ix+tail+1) ;& + 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 - cal resbit - psh hl - cal res4pixels - pop hl + cal removetailbit inc (ix+grow) jr nz,DoesWormTailEqualsWormHead inc (ix+grow+1) ;+256 DoesWormTailEqualsWormHead: cal _cphlde - jr nz,removewormloop + jr nz,removewormloop ;head=tail/size=0 - ld a,(gameCar) - and _datasingl - jr nz,safewormsizedone + ld a,(gamecar) + rra ;and _datasingl + jr nc,savetailpos + ld (ix+grow+1),a ;=0 ld a,0 -beginsize =$-1 +growsize =$-1 ld (ix+grow),a - ld (ix+grow+1),0 ;high -safewormsizedone: - ;de=ix+head - ld (ix+tail+1),d - ld (ix+tail),e ;head=tail/size=0 +savetailpos: + ld (ix+tail+1),h + ld (ix+tail),l ret unnamedlabel: @@ -2496,9 +2643,9 @@ inputcall: or a jr z,inlink ;input by link cal inkeys ;input by keys - ld a,(gameCar) - rra ;and _datalink - ret nc ;no link + ld a,(gamecar) + and _datalink + ret z ;no link ld c,l ;send our keys jp Qsend inlink: @@ -2531,7 +2678,7 @@ turn =$-1 inc (ix+grow) nogrow: - ld a,(gameCar) + ld a,(gamecar) and _datatime jr z,notimescore ld e,1 @@ -2549,24 +2696,10 @@ donediddelydone: ld e,(ix+pos2) ld d,(ix+pos2+1) -#ifdef optdie - psh hl - ld hl,previouspos - ld (hl),c - inc hl - ld (hl),b - inc hl - inc hl - ld (hl),e - inc hl - ld (hl),d - pop hl -#endif - -;--- move worm --- +;--- move worm ----------------------------------------------------------------- -Wormmove: - psh bc ; >> pos +wormmove: + psh bc ;pos ld a,(hl) add a,a add a,d @@ -2594,234 +2727,33 @@ notnegY: 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) + pop hl ;pos (old) ld a,h - sub b - and 1 + sub b ;Xold-Xnew + and 1 ;abs ld h,a ld a,l sub c - and 1 - add a,h - ld d,4 + and 1 ;|Yold-Ynew| + add a,h ;pixels moved |Dx|+|Dy| + ld d,4 ;same pos = 4of4 bytes drawn jr z,GotFour - xor 3 - ld d,a + xor 3 ;1 pixel = 2of4 blank; 2 pixels = 3of4 blank + ld d,a ;#pixels that should be drawn GotFour: - cal chk4pixels - rl d - jp nc,Drawworm - -;--- worm hit --- - -Hitworm: - ld a,(gameCar) -#ifdef optdie -; if race - originally - ld h,a - cal checkhitotherworm - ld a,h -#endif - bit _bitctfpeas,a - jr nz,chkctfpeas - rla ;and _datamultpeas - jp c,chkmultpeas - rla ;and _datafood - jp c,WormDead ;no food - - ld hl,0 -PeaY =$-2 -PeaX =$-1 - cal chkpeahit - jp nc,WormDead -pickpea: - cal DrawPea ;remove pea - cal NewPea -pickpea_: - ld a,(ix+grow) - add a,15 -peagrowth =$-1 - ld (ix+grow),a - jr nc,wormset2grow - inc (ix+grow+1) -wormset2grow: - ld hl,Left - dec (hl) ;dec left before display - psh af - ld e,10 - cal IncScore - pop af - jp nz,Drawworm ;continue - ld a,(Gametype) - or a - jp nz,Exit ;stack restored - - ld hl,Level - ld a,(hl) - inc (hl) - ld l,a ;hl=Level - ld h,0 - add hl,hl - add hl,hl - cal _HLTIMES10 - ex de,hl - cal _IncScore ;score+(40*level) - cal removeworm - pop hl ; << call - pop hl ; << call - ld (ix+delay),2 - jp Nextlevel - -chkpeahit: ;bc=ownpos;hl=peapos (destr:ad) - ld a,(sprsize) - inc a - ld d,a - ld a,b - sub h - inc a - cp d ;=(sprsize)+1 - ret nc ;nc=no pea - ld a,c - sub l - inc a - cp d - ret ;c=pea - -chkctfpeas: - ld hl,(peaspos) ;1st pea - ld a,(ix+reserv) - ld e,a ;push a - and %01 ;ourpea (0|1) - jr z,sel_otherpea - ld hl,(peaspos+2) ;2nd pea ;&&&ex de,hl? -sel_otherpea: - cal chkpeahit - jr c,hitflag -;no peas hit: - ld a,e ;peek a (that's x86asm for pop\push ;) - bit 1,a ;%10 = carrying flag? - jp z,WormDead ;if not just die - xor %11 ;drop flag - ld (ix+reserv),a - psh af - cal WormDead - pop af ;which flag? (=and %1) - ld hl,drawctfpea1 ;restore #1 - jr z,nottheotherflag - inc hl ;ld hl,drawctfpea2 - inc hl ;restore #2 -nottheotherflag: - ld (hl),3 ;draw delay 3 turns - ret - -hitflag: ;correct pea hit - ld a,e ;pop a - xor %11 ;invert flag taken + ownflag - ld (ix+reserv),a - and %10 ;just returned? - psh af ;safe z-flag - cal DrawPea ;remove - pop af - jr nz,Drawworm ;flag taken, continue game - psh hl - ld e,20 ;flag captured+returned - cal IncScore - pop hl - ld a,3 ;draw delay - ld (drawctfpea1),a ;redraw.. - ld (drawctfpea2),a ;..both flags - jr Drawworm - -chkmultpeas: - ld de,peaspos-1 - ld hl,lefttotalb -lefttotal =$+1 - ld (hl),0 -chkmultpealoop: - ex de,hl - inc hl - ld e,(hl) - inc hl - ld d,(hl) - ex de,hl - psh de - cal chkpeahit - pop de - jr c,pickmultpea - ld hl,lefttotalb - dec (hl) - jr nz,chkmultpealoop - jp WormDead -pickmultpea: - ld a,247 - ld (de),a - dec de - ld (de),a - cal DrawPea - jp pickpea_ - -;--- misc --- - -#ifdef optdie -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 - ret c ;nz ;yes -nothit1: - inc hl - cal resbit -ChkWorm: - cal _cphlde - jr nz,nextotherwormbit - ret ;z -#endif + cal chk4pixels ;d-=pixels at b,c + rl d ;<0 meaning there were >d pixels + cal c,hitworm ;so that wasn't us -checkhitlapline: - ld a,(peaspos) ;63 - sub b ;x==63 - jr z,nextlaphalf - inc a - ret nz -nextlaphalf: - ld a,(peaspos+1) ;yline - cp c ;ypos - ld a,1 - jr nc,checklap ;y>yline -> a=1 - xor a ;y a=0 -checklap: - cp (ix+reserv) - ret z ;same as before - ld (ix+reserv),a ;1st time - ld e,a - ld a,(handledworm) - and 1 ;group 0 (1,3) or 1 (2,4) - xor e - ret z ;(group 0 and yyline) - psh bc - ld e,20 - cal IncScore ;lap! - pop bc - ret - -;--- draw worm --- +;--- draw worm ----------------------------------------------------------------- -Drawworm: - ld c,(ix+pos) - ld b,(ix+pos+1) +drawworm: + ld (ix+pos),c + ld (ix+pos+1),b - ld a,(Gametype) + ld a,(gametype) cp gamerace cal z,checkhitlapline @@ -2854,20 +2786,23 @@ Drawworm: removetail: ld l,(ix+tail) ld h,(ix+tail+1) + cal removetailbit + cal savetailpos ;ld (ix+tail),hl + ld c,(hl) + inc hl + ld b,(hl) + jr set4pixels ;redraw new last bit + +removetailbit: ld c,(hl) inc hl ld b,(hl) inc hl cal resbit - ld (ix+tail),l - ld (ix+tail+1),h psh hl - cal res4pixels + cal res4pixels ;rm last bit pop hl - ld c,(hl) - inc hl - ld b,(hl) - jr set4pixels + ret res4pixels: cal ResPixel @@ -2952,32 +2887,219 @@ balldown: set 1,d ;up balldone: -set4pixels: ;@(b,c) - cal SetPixel - inc b - cal SetPixel - inc c - cal SetPixel - dec b -SetPixel: ;at bc - cal FindPixel - or (hl) - ld (hl),a - ret +set4pixels: ;@(b,c) + cal SetPixel + inc b + cal SetPixel + inc c + cal SetPixel + dec b +SetPixel: ;at bc + cal FindPixel + or (hl) + ld (hl),a + ret + +letsmovetheotherway: + ld a,1 + xor (hl) + ld (hl),a + ret + +checkballhit: + psh de + ld d,0 + cal chk4pixels + xor a + cp d + pop de + ret + +;_______________________________________________________________________________ +; _ _ _ _____ ______ _______ __ __ _ _ _____ _______ +; | | | | | |_____/ | | | \_/ |_____| | | +; |__|__| |_____| | \_ | | | | _____ | | __|__ | +;_______________________________________________________________________________ + +;--- multifood ----------------------------------------------------------------- + +chkmultpeas: + ld de,peaspos-1 + ld hl,lefttotalb +lefttotal =$+1 + ld (hl),0 +chkmultpealoop: + ex de,hl + inc hl + ld e,(hl) + inc hl + ld d,(hl) + ex de,hl + psh de + cal chkpeahit + pop de + jr c,pickmultpea + ld hl,lefttotalb + dec (hl) + jr nz,chkmultpealoop + jr _wormdead +pickmultpea: + ld a,247 + ld (de),a + dec de + ld (de),a + jp pickedpea + +;--- ctf ----------------------------------------------------------------------- + +chkctfpeas: ;ctf + ld hl,(peaspos) ;1st pea + ld a,(ix+reserv) + ld e,a ;push a + and %01 ;ourpea (0|1) + jr z,sel_otherpea + ld hl,(peaspos+2) ;2nd pea +sel_otherpea: + cal chkpeahit + jr c,hitflag +;no peas hit: + ld a,e ;peek a (that's x86asm for pop\push ;) + bit 1,a ;%10 = carrying flag? + jr z,_wormdead ;if not just die + xor %11 ;drop flag + ld (ix+reserv),a + ld hl,drawctfpea1 ;restore #1 + jr z,nottheotherflag ;which flag? (=and %1) + inc hl ;ld hl,drawctfpea2 + inc hl ;restore #2 +nottheotherflag: + ld (hl),3 ;draw delay 3 turns +_wormdead: + jp wormdead + +hitflag: ;correct pea hit + ld a,e ;pop a + xor %11 ;invert flag taken + ownflag + ld (ix+reserv),a + and %10 ;just returned? + psh af ;safe z-flag + psh bc ;safe position + cal DrawPea ;remove + ld e,20 ;flag captured+returned + cal z,IncScore + pop bc + pop af + ret nz ;flag taken: continue game ;drawworm + ld a,3 ;draw delay + ld (drawctfpea1),a ;redraw.. + ld (drawctfpea2),a ;..both flags + ret ;drawworm + +;--- main ---------------------------------------------------------------------- + +hitworm: + ld a,(gamecar) + bit __bitPctf,a + jr nz,chkctfpeas + rla ;and _dataPmult + jr c,chkmultpeas + rla ;and _datafood + jr c,_wormdead ;no food + +;--- foodmatch|SP -------------------------------------------------------------- + + ld hl,0 +PeaY =$-2 +PeaX =$-1 + cal chkpeahit + jr nc,_wormdead + +;--- take pea ------------------------------------------------------------------ + + psh hl + cal NewPea + pop hl +pickedpea: + cal DrawPea ;remove pea + ld a,(ix+grow) ;grow + add a,15 +peagrowth =$-1 + ld (ix+grow),a + jr nc,wormset2grow + inc (ix+grow+1) +wormset2grow: + ld hl,Left + dec (hl) ;dec left _before_ display + psh af + ld e,10 + cal IncScore + pop af + ld c,(ix+pos) ;same position + ld b,(ix+pos+1) ;we'll just leave pos2 - doubt anybody will care|notice.. + ret nz ;(Left)>0 ;drawworm + ld a,(gametype) + or a + jp nz,Exit ;stack restored + + ld hl,Level + ld a,(hl) + inc (hl) + ld l,a ;hl=Level + ld h,0 + add hl,hl + add hl,hl + cal _HLTIMES10 + ex de,hl + cal _IncScore ;score+(40*level) + cal removeworm + pop hl ;<yline -> a=1 + xor a ;y a=0 +checklap: + cp (ix+reserv) + ret z ;same as before + ld (ix+reserv),a ;1st time + ld e,a + ld a,(handledworm) + and 1 ;group 0 (1,3) or 1 (2,4) + xor e + ret z ;(group 0 and yyline) + psh bc + ld e,20 + cal IncScore ;lap! + pop bc ret ;_______________________________________________________________________________ @@ -3015,13 +3137,30 @@ Seed =$+1 add a,2 ret +ldhl32a: + ld l,a + ld h,0 ;=hl + add hl,hl + add hl,hl + add hl,hl + add hl,hl + add hl,hl ;32=scr.width + ret ;ld hl,32*a + +mmldir5: + ld hl,5 ;=ahl + cal _MM_LDIR_SET_SIZE + jp _RAM_PAGE_1 + +wormdead: + pop hl ;<0 + ld a,' ' + cal __vputmap ;small div + ld a,(gametype) + cp gamedeathm + cal nz,showscore ;score in !dm + ld a,$D8 + cal __vputmap ;div + ld de,worm2-worm1 add ix,de ;next - ld hl,_penCol - ld a,(hl) - add a,4 ;div - ld (hl),a - pop bc dnz showstatloop pop ix ret -showstat: ;(multiplayer) - ld a,(wormbeglives) - or a - jr nz,showlives showscore: cal ldscoreinhl + psh bc cal _D_HL_DECI + pop bc jr __vputs -showlives: - ld a,(ix+lives) - jr cshowA00 -cshowA: ;small w/ leading 0 - or a +cshowA: ;small w/ leading 0; 0='none' + or a ;destr. ahl jr nz,cshowA00 ld hl,txtNone jp _vputs -cshowA00: + +showlives: + ld a,(ix+lives) +cshowA00: ;small w/ leading 0 ld l,a ld h,0 cal _divHLby10 @@ -3408,7 +3546,7 @@ Level =$-1 ld (_penCol),a ld a,(ix+lives) cal cshowA0 ;showlives - ld a,(gameCar) + ld a,(gamecar) and _datafoodl pop ix ret z @@ -3443,18 +3581,16 @@ showA0: ;big w/ leading 0 jp _putc _D_HL_DECI: - ld de,savestr+4 + ld de,savestr+5 ld b,5 ldhld: cal _divHLby10 add a,'0' - ld (de),a dec de + ld (de),a dnz ldhld - ld hl,savestr + ex de,hl ;ld hl,savestr ret -savestr: - .db "00000",0 ldscoreinhl: ld h,(ix+score+1) @@ -3478,13 +3614,7 @@ FieldHeight =$-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 + cal ldhl32a psh bc ; >> 1 psh de ; >> 2 ld de,ScrBuffer @@ -3695,9 +3825,9 @@ ChunkRow: ; |_____/ | \_ | | |__|__| ;_______________________________________________________________________________ -;--- pixel --- +;--- pixel --------------------------------------------------------------------- -chk4pixels: ;&& +chk4pixels: cal CheckPixel inc b cal CheckPixel @@ -3714,41 +3844,39 @@ CheckPixel: ;at bc in d dec d ret -;CLEM's FIND_PIXEL (131+? cycles; 28+4 bytes) -;(b,c) to hl:a; "destroyes" ahl +;--- findpixel ----------------------------------------------------------------- +;Based on Snake86's findpixel +;160-262 cycles; 31 bytes FindPixel: ;(b,c) to hl:a + psh bc ld h,0 - ld l,c ;hl=y + ld l,c ;hl=y add hl,hl add hl,hl - ld a,b ;a=x + ld a,b ;a=x rra add hl,hl rra add hl,hl - add hl,hl ;hl=32*y - rra ;a=x/8 + add hl,hl ;hl=32y + rra ;a=x/8 or l ld l,a - ld a,b + ld a,b ;x and 7 - cpl - rlca - rlca - rlca - ld (FP_Bit),a - xor a -FP_Bit =$+1 - set 0,a - - psh de ;&&& C`MON! THIS IS UGLY! *hit myself* - ld de,ScrBuffer - add hl,de - pop de + inc a + ld b,a + ld a,1 +pixelloop: + rrca + dnz pixelloop + ld bc,ScrBuffer + add hl,bc + pop bc ;destr:none ret -;--- objects --- +;--- objects ------------------------------------------------------------------- drawstuff: ld a,(hl) @@ -3780,7 +3908,7 @@ drawsmtn: ; dec a ;4 = circle ; jp z,drawcircle -;--- circle --- +;--- circle -------------------------------------------------------------------- ;IMHO, one weery nice routine. Oh lemme be proud just *once*. ;Not perfect since it uses a screwy lineroutine to draw stuff @@ -3853,7 +3981,7 @@ circledraw: ;destr:de pop hl ret ;thats it -;--- box --- +;--- box ----------------------------------------------------------------------- drawbox: ;(d,e)-(h,l) ld b,l ;Delta-y @@ -3865,7 +3993,7 @@ boxloop: dnz boxloop ret -;--- fatline --- +;--- fatline ------------------------------------------------------------------- drawfatline: cal drawline @@ -3879,7 +4007,7 @@ drawfatline: dec h ; jp drawline -;--- line --- +;--- line ---------------------------------------------------------------------- ;A lot like Scabby's line routine in Wonderworm (dunno whether he wrote it ;himself tho.) I did make a few optimizations and commented the thing. @@ -3929,7 +4057,7 @@ lineYincs: ;lets assume y incs as well pop hl ; :