; ����� ����� ������� �� ��� �����������
;_______________________________________________________________________________
;
-; Version : 97% (0.97.116)
-; Release Date : 2002 January 16
+; Version : 98% (0.98.118)
+; Release Date : 2002 January 18
; Author(s) : Shiar
; Email Address : wormy@shiar.org
; Web Page : www.shiar.org
; wormy.86p (6512) : efef32a8c541b4585087f55deb31f51d
;_______________________________________________________________________________
-;--- notes ---
-
-; * Use for LEARNING practises ONLY!
-; Don't _ever_ release altered code w/o permission!
-; Please notify me of using code, and give me credits!
-; * 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
; 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)
-; * word-value display storage in chartable hole??
-; 1% * misc (bugs, &&&, pollish, &&, &)
-; * look at init-z in line routine again
-; * rare pea|wall overwrite <- apply stopworm fix?
+; 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*
-; * 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
+
+;--- future features -----------------------------------------------------------
+
+;just a maybe-list; NO guarantees!
;
-;100% = bugs fixed + levels done
-; * correct team winners
-; * arrow to offscreen peas
-;110% * sound
+; * correct team winners
+; * level compression
+; * arrow to offscreen peas
+; * sound
; * startpos
-;120% * coop (DON'T COUNT ON IT)
-; * pause in linkplay
+; * pause in linkplay
+; * coop (DON'T COUNT ON IT)
;_______________________________________________________________________________
; _/_/_____ __ _ _______ _ _ ______ _______
;#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
;_______________________________________________________________________________
; _______ _______ _____ ______ _______ ______ _______
; ______| | |_____| | \_ | | |_____| |______
;_______________________________________________________________________________
-;--- permanent ---
+;--- permanent -----------------------------------------------------------------
ScrBuffer = $8420 ;-A3FF (20*FF=1FE0)
worm4p = $A400 ;-A5FF (200) %101001O0
; |..[------]||[]|......[-----]|[].| ;if you still understand < OUTDATED <
; | SCREEN 2* 13 PRGM 4LV | ;after looking at this
-;--- temporary ---
+;--- temporary -----------------------------------------------------------------
namelength = $BC00 ;(1) @menu
datalink = $BC00 ;(8) @init
drawctfpea1 = peaspos+4
drawctfpea2 = peaspos+6
-;--- layout ---
+;--- layout --------------------------------------------------------------------
;(wormN) set:
heading = 0 ;level*
.db %1010010
jr nz,$+47
dec l
- .db " 97% .116",0
+ .db " 98% .118",0
WormIcon:
.db 8,2
.db %00000000,%00111100
ld i,a
im 2 ;...it *does* work ;)
+;--- search levels -------------------------------------------------------------
+
restart:
cal _RAM_PAGE_7
ld hl,$BFFF ;VAT start
; | | | |_____| | \_ |______ _____ __|__ | \_| __|__ |
;_______________________________________________________________________________
-;--- trig tables ---
+;--- trig tables ---------------------------------------------------------------
ld hl,trigtable ;I believe this
ld de,SinCosTable ;is one of the few
; | | | | | __|__ | \_| _____ | | | |______ | \_| |_____|
;_______________________________________________________________________________
-;---draw menu---
+;--- draw menu -----------------------------------------------------------------
DisplayMenu:
cal linkok
cal _clrWindow
ld de,$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+$010 ;(*,01)
cal hr
ld de,$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)
dnz hrloop
ret
-;--- options menu ---
+;--- options menu --------------------------------------------------------------
dispoptionmenu:
ld hl,txtoMenu
dispomenusets:
#ifdef spprotect
ld a,(gamecar)
- and _datasingl
- jp nz,LetsGetThisPartyOn
+ rra ;and _datasingl
+ jp nc,LetsGetThisPartyOn ;SP -> start game
#endif
cal clrold
jr z,__optionMenu ;<-1
jr changedgrowth
-;--- main menu ---
+;--- main menu -----------------------------------------------------------------
mainMenu:
cal menupos
cal getcustomkey ;right
; jr dispmenusets
-;--- display current settings ---
+;--- display current settings --------------------------------------------------
dispmenusets:
ld de,$183E
cal _vputs
jp mainMenu
-;--- handle menukeys ---
+;--- handle menukeys -----------------------------------------------------------
menucall:
psh bc
ld b,a
jr menupos
-;--- change name ---
-; of worm#(curworm)
+;--- change name ---------------------------------------------------------------
getwormname: ;of (curworm)
ld a,(curworm)
dec (hl) ;(namelength)
jr z,nameentered
- ld hl,chartable
+ ld hl,chartable-1
ld e,a
ld d,0
add hl,de
cal releasekeys
jr enternameloop
-savestr:
- .db "00000" ;,0 ;&&&somehow put in chartable's 5-byte hole
-chartable:
- .db 0,".<>!",0,0,0,0 ;down|L|R|up|-|-|-|-
- .db -1,"XTOJE0",0 ;enter|+|-|*|/|^|clear|-
- .db " WSNID9",0 ;(-)|3|6|9|)|tan|custom|-
- .db "ZVRMHC8",-1 ;.|2|5|8|(|cos|prgm|del
+chartable: ;("!@#$%,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 $D9,"-PKFA6'" ;on|sto|,|x2|ln|log|graph|alpha
- .db "54321*",-1,$D0 ;F5|F4|F3|F2|F1|2nd|exit|more
+ .db "54321*",-5,$D0 ;F5|F4|F3|F2|F1|2nd|exit|more
nameentered:
pop ix ;stringbegin
ex (sp),hl ;pop \ psh leveldata
psh hl ;psh loadgamecar
ld a,(gamecar)
- rra ;and _datalink
- jr nc,_StartLevel
+ and _datalink
+ jr z,_StartLevel
-;--- link ---
+;--- link ----------------------------------------------------------------------
wormVhost = 095
wormVclient = 195
cp wormVclient
jr nz,host
-;--- client ---
+;--- client --------------------------------------------------------------------
client:
; ld hl,txtReceiv
pop hl ;error
jp DisplayMenu ;return to menu
-;--- set/send worms ---
+;--- set/send worms ------------------------------------------------------------
moveworm2:
ld hl,worm2+left
ld b,9
jp sendstuff
-;--- host ---
+;--- host ----------------------------------------------------------------------
host:
cp wormVhost
ld b,168
cal sendstuff ;level
-;--- load level ---
+;--- load level ----------------------------------------------------------------
StartLevel:
pop hl ;loadgamecar
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
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
inc a ;ld a,1
ld (turn10),a
- inc a ;ld a,2
ld (flashtime),a
-;--- draw level ---
+;--- draw level ----------------------------------------------------------------
initlevel:
ld a,(de)
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
cal drawstuff
-;--- prepare ---
+;--- prepare -------------------------------------------------------------------
leveldone:
psh hl ; >> levelp new
jp c,GameLoop
jp Exit ;jr?
-;--- pause menu ---
+;--- pause menu ----------------------------------------------------------------
disppausemenu:
ld hl,txtpMenu
ld de,$0004
ld (_curRow),de
-;--- who won? ---
+;--- who won? ------------------------------------------------------------------
findwinner:
ld hl,(worm1+score)
dnz finddmwinner
ld (dmwinner),a
-;--- display worms ---
+;--- display worms -------------------------------------------------------------
;x123456789012345678901
;>>>>>> GAME OVER <<<<<
inc de
ld a,(de) ;gamecar
- and _datasingl
- jr z,hiscorecheckdone ;no SP
+ 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 ;new<old
jr z,NotNewHigh ;new<=old
-newhigh: ;New>Old
- 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
cal _vputs
ld hl,$0C07
ld (_curRow),hl
- ld hl,highsave+2
+ ld hl,savestr+2
cal _puts
- ld hl,(highsave)
+ ld hl,_curCol
+ inc (hl)
+ ld hl,(savestr)
cal _D_HL_DECI
cal _puts ;showHL
hiscorecheckdone:
ret
loadhiscoreposinahl:
- ld hl,0 ;for peaworm and singleplayer
+ sbc hl,hl ;cf=0
ld a,(gametype)
or a ;Singleplayer?
jr z,hi__
hiscrposa =$+1
adc a,0 ;ahl=saveloc
ret
-highsave:
- .db 0,0,"SHI ",0
+savestr: ;hiscore (00AAA) _D_HL_DECI (00000)
+ .db $BB,"w00t",0
iswinner:
ld a,10
ld a,'*'
jp _putc ;..then put *
-;--- quit ---
+;--- quit ----------------------------------------------------------------------
ExitNoStats:
cal linkok
jr nz,unnamedlabel
cal saverespawncounter
removeworm:
- ld h,(ix+tail+1) ;&
+ ld h,(ix+tail+1)
ld l,(ix+tail)
ld d,(ix+head+1)
ld e,(ix+head)
jr DoesWormTailEqualsWormHead ;chk4 size=0
removewormloop:
- ld c,(hl)
- inc hl
- ld b,(hl)
- inc hl
- cal resbit
- psh hl
- cal res4pixels
- pop hl
+ cal removetailbit
inc (ix+grow)
jr nz,DoesWormTailEqualsWormHead
inc (ix+grow+1) ;+256
DoesWormTailEqualsWormHead:
cal _cphlde
- jr nz,removewormloop
+ jr nz,removewormloop ;head=tail/size=0
ld a,(gamecar)
- and _datasingl
- jr nz,safewormsizedone
+ rra ;and _datasingl
+ jr nc,savetailpos
+ ld (ix+grow+1),a ;=0
ld a,0
-beginsize =$-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:
jr z,inlink ;input by link
cal inkeys ;input by keys
ld a,(gamecar)
- rra ;and _datalink
- ret nc ;no link
+ and _datalink
+ ret z ;no link
ld c,l ;send our keys
jp Qsend
inlink:
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:
+wormmove:
psh bc ;pos
ld a,(hl)
add a,a
jr nc,notmoveY
inc c
notmoveY: ;bc=newpos
- ld (ix+pos),c
- ld (ix+pos+1),b
ld (ix+pos2),e
ld (ix+pos2+1),d
;-check-
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
- cal c,hitworm
+ cal chk4pixels ;d-=pixels at b,c
+ rl d ;<0 meaning there were >d pixels
+ cal c,hitworm ;so that wasn't us
-;--- 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)
cp gamerace
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
; |__|__| |_____| | \_ | | | | _____ | | __|__ |
;_______________________________________________________________________________
+;--- 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:
-#ifdef optdie
-; if race - originally
- cal checkhitotherworm
-#endif
ld a,(gamecar)
bit __bitPctf,a
jr nz,chkctfpeas
rla ;and _dataPmult
- jp c,chkmultpeas
+ jr c,chkmultpeas
rla ;and _datafood
- jp c,wormdead ;no food
+ jr c,_wormdead ;no food
+
+;--- foodmatch|SP --------------------------------------------------------------
ld hl,0
PeaY =$-2
PeaX =$-1
cal chkpeahit
- jp nc,wormdead
-pickpea:
- cal DrawPea ;remove pea
+ jr nc,_wormdead
+
+;--- take pea ------------------------------------------------------------------
+
+ psh hl
cal NewPea
-pickpea_:
- ld a,(ix+grow)
+ pop hl
+pickedpea:
+ cal DrawPea ;remove pea
+ ld a,(ix+grow) ;grow
add a,15
peagrowth =$-1
ld (ix+grow),a
inc (ix+grow+1)
wormset2grow:
ld hl,Left
- dec (hl) ;dec left before display
+ dec (hl) ;dec left _before_ display
psh af
ld e,10
cal IncScore
pop af
- jp nz,Drawworm ;continue
+ ld c,(ix+pos) ;same position
+ ld b,(ix+pos+1) ;we'll just leave pos2 - doubt anybody will care|notice..
+ ret nz ;(Left)>0 ;drawworm
ld a,(gametype)
or a
jp nz,Exit ;stack restored
ex de,hl
cal _IncScore ;score+(40*level)
cal removeworm
- pop hl ;<<$some call
- pop hl ;<<call HandleWorm
pop hl ;<<call hitworm
+ pop hl ;<<call HandleWorm
+ pop hl ;<<$some other call
ld (ix+delay),2
jp Nextlevel
cp d
ret ;c=pea
-;--- other modes ---
-
-chkctfpeas:
- ld hl,(peaspos) ;1st pea
- ld a,(ix+reserv)
- ld e,a ;push a
- and %01 ;ourpea (0|1)
- jr z,sel_otherpea
- ld hl,(peaspos+2) ;2nd pea ;&&&ex de,hl?
-sel_otherpea:
- cal chkpeahit
- jr c,hitflag
-;no peas hit:
- ld a,e ;peek a (that's x86asm for pop\push ;)
- bit 1,a ;%10 = carrying flag?
- jp z,wormdead ;if not just die
- xor %11 ;drop flag
- ld (ix+reserv),a
- psh af
- cal wormdead
- pop af ;which flag? (=and %1)
- ld hl,drawctfpea1 ;restore #1
- jr z,nottheotherflag
- inc hl ;ld hl,drawctfpea2
- inc hl ;restore #2
-nottheotherflag:
- ld (hl),3 ;draw delay 3 turns
- ret
-
-hitflag: ;correct pea hit
- ld a,e ;pop a
- xor %11 ;invert flag taken + ownflag
- ld (ix+reserv),a
- and %10 ;just returned?
- psh af ;safe z-flag
- cal DrawPea ;remove
- pop af
- ret nz ;flag taken, continue game
- psh hl
- ld e,20 ;flag captured+returned
- cal IncScore
- pop hl
- ld a,3 ;draw delay
- ld (drawctfpea1),a ;redraw..
- ld (drawctfpea2),a ;..both flags
- ret ;Drawworm
-
-chkmultpeas:
- ld de,peaspos-1
- ld hl,lefttotalb
-lefttotal =$+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
+;--- misc ----------------------------------------------------------------------
checkhitlapline:
ld a,(peaspos) ;63
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 ;<<call
WormDead:
ld (CURtxtGame),hl ;save for g/o
ret
-#ifdef optdie
-checkhitotherworm:
- .db $dd,$7d ;ld a,lx
- cp worm2&255
- psh ix
- jr nz,chkworm2 ;ret nz
- ld ix,worm1
- jr chkworm
-chkworm2:
- ld ix,worm2
-chkworm:
- ld h,(ix+tail+1)
- ld l,(ix+tail)
- ld e,(ix+head)
- ld d,(ix+head+1)
- cal ChkWorm
- pop ix
- ret z ;not hit
- pop bc ;call
-stopworm:
- ld bc,0
-previouspos =$-2
- ld de,0
- ld (ix+pos),c
- ld (ix+pos+1),b
- ld (ix+pos2),e
- ld (ix+pos2+1),d
- ret
-#endif
-
CheckPea: ;@hl; destr:abcde
ld c,l
ld a,(sprsize)
ld a,(gamecar)
and _datatime
jr nz,timematchscore ;no disp for timematches
- ld hl,$FC00 ;&&&only necessary in deathmatch
- ld b,6*16-1
-clearstats:
- ; ld (hl),a ;=0
- ;&&&&&&
- inc hl
- dnz clearstats
forceshowstats:
psh ix
- ld h,0
- ld l,h
+ and a
+ sbc hl,hl ;hl=0
ld (_penCol),hl
ld a,(nrworms)
ld b,a
ld ix,worm1
ld a,(gamecar)
- and _datasingl
- jr nz,showstatsS
+ rra ;and _datasingl
+ jr nc,showstatsS
showstatloop:
- psh bc
+#ifdef gamenames
#ifdef longnames
+ psh bc
ld b,3
psh ix
shownameloop: ;1st 3 chars
ld a,':'
cal _vputmap
pop ix
+ pop bc
#else
ld a,(ix+name)
cal __vputmap
ld a,':'
cal __vputmap
#endif
- cal showstat
+#endif
+ ld a,(wormbeglives)
+ or a
+ cal nz,showlives ;lives when initlives>0
+ ld a,' '
+ cal __vputmap ;small div
+ ld a,(gametype)
+ cp gamedeathm
+ cal nz,showscore ;score in !dm
+ ld a,$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
+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
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
; |_____/ | \_ | | |__|__|
;_______________________________________________________________________________
-;--- pixel ---
+;--- pixel ---------------------------------------------------------------------
-chk4pixels: ;&&
+chk4pixels:
cal CheckPixel
inc b
cal CheckPixel
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)
; 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
pop hl
ret ;thats it
-;--- box ---
+;--- box -----------------------------------------------------------------------
drawbox: ;(d,e)-(h,l)
ld b,l ;Delta-y
dnz boxloop
ret
-;--- fatline ---
+;--- fatline -------------------------------------------------------------------
drawfatline:
cal drawline
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.
pop hl ; :<hl
linedrawxloop:
- psh af ;init z=dy-dx
+ psh af ;init z=2dy-dx
ld a,(hl)
or c ;|c:hl
ld (hl),a
ret
SteepLine:
- ld h,a ;h=deltay
- neg ;a=-deltay
- ld (line3sm+1),a
+ ld l,a
+ neg
+ ld (line3sm+1),a ;=-deltay
+ rra
+ ld h,a ;h=-deltay/2
ld a,b
- ld (line4sm+1),a ;a=deltax
- sub h ;a=deltax-deltay
- ld b,h ;b=deltay
+ ld (line4sm+1),a ;=deltax
+ add a,h ;a=deltax-deltay/2
+ ld b,l ;b=deltay
pop hl ; :<hl
linedrawyloop:
- psh af ;init z=2(dx-dy)
+ psh af ;init z=2dx-dy
ld a,(hl)
or c ;|c:hl
ld (hl),a
timeout = $8000
lossout = 20
-;--- multiple bytes ---
+;--- multiple bytes ------------------------------------------------------------
sendstuff:
psh de
pop de
ret
-;--- foo ---
+;--- foo -----------------------------------------------------------------------
receivenewpeaoverlink:
cal Qrecv ;Crecv
ret
sendnewpeaoverlink:
ld a,(gamecar)
- rra ;and _datalink
- ret nc ;no link
+ and _datalink
+ ret z ;no link
ld a,(worm1+left)
or a
jr z,receivenewpeaoverlink
ld c,h
; jr Qsend ;that's why it's here
-;--- send ---
+;--- send ----------------------------------------------------------------------
Qsend: ;--- try to send 8 bits in C; CF=error --- destr:abcde ---
nop \ nop
ld (linklosses),a ;reset number of losses
ret ;=ok
-;--- recv ---
+;--- recv ----------------------------------------------------------------------
Crecv: ;--- receive 8 bits into A/C --- destr:abCde ---
cal Qrecv
ld (linklosses),a ;reset number of losses
ret
-;--- common ---
+;--- common --------------------------------------------------------------------
linkok:
ld a,D0HD1H
; |_____/ | | | | |
;_______________________________________________________________________________
-;--- graphics ---
+;--- graphics ------------------------------------------------------------------
wtPicture: ;title
-.db %00011110,%00000000,%00000000,%00000000,%00000000,%00000000,%00000000,%00000001,%11000000,%00000000,%00000000,%00000001,%10000000,%00000000,%00001111,%10000000
-.db %00111110,%00000000,%00000000,%00000000,%00000000,%00000000,%00000000,%00000001,%11100000,%00000000,%00000011,%11000010,%01000011,%10011100,%00110000,%01100000
-.db %01110000,%00000000,%00000000,%00000000,%00000000,%00000000,%00000000,%00000000,%01110000,%00111000,%00001100,%00110001,%00110100,%01100011,%01000000,%00010000
+; %00000000,%00000000,%00000000,%00000000,%00000000,%00000000,
+.db %00011110, %00000001,%11000000,%00000000,%00000000,%00000001,%10000000,%00000000,%00001111,%10000000
+.db %00111110, %00000001,%11100000,%00000000,%00000011,%11000010,%01000011,%10011100,%00110000,%01100000
+.db %01110000, %00000000,%01110000,%00111000,%00001100,%00110001,%00110100,%01100011,%01000000,%00010000
.db %01100000,%01111100,%00000001,%11111111,%00000000,%11110000,%01111001,%11100000,%00110000,%01111100,%00010001,%11001001,%00001000,%00100000,%10000010,%00010000
.db %11100000,%11111110,%00000011,%11111111,%10000011,%11111000,%11111111,%11110000,%00110000,%11101100,%00010001,%11000100,%10000001,%00000100,%10001110,%00001000
.db %11000001,%11000111,%00000111,%00000001,%11000111,%10011001,%11001111,%00111000,%00110000,%11000110,%00001100,%00000010,%01100010,%10011100,%00010001,%00001000
txtGO: .db 5,5,5,5,5," GAME OVER ",$CF,$CF,$CF,$CF,$CF,0
#endif
-;--- menus ---
+;--- menus ---------------------------------------------------------------------
txtMenu: .db "Mode",0 ;1st menu item
.db "Level",0 ;2nd
pospMenu: .db 4
.dw $3418,$331E,$2F24,$3A2A
-;--- text ---
+;--- text ----------------------------------------------------------------------
txtGame: .db "Singleplayer",0
txtGame1: .db "Peaworm",0
txtLeft: .db " left",0 ;follows txtScore
txthiscore:.db "HiScore:";,0
-;--- foo ---
+;--- foo -----------------------------------------------------------------------
trigtable: .db 0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45
.db 48, 51, 54, 57, 59, 62, 65, 67, 70, 73, 75, 78, 80, 82, 85, 87
.db 127
#ifdef intlevels
-datalevels:.dw LevelDef,LevelDefM,LevelDefT,LevelDefM,LevelDefM
- .dw LevelDefM,LevelDefM,LevelDefR,LevelDefC
-nrlevels: .db 2,3,1,3,3,3,3,3,1,0 ;=defaults
+datalevels:.dw LevelDef,LevelDefM,LevelDefT,LevelDefM,LevelDefM
+ .dw LevelDefM,LevelDefM,LevelDefR,LevelDefC
+nrlevels: .db 2,3,1,3,3,3,3,3,1,0
defhiscrpos:
- .db 0,0,"SHI", 0,0,"SHI", 0,0,"SHI", 0,0,"SHI", 0,0,"SHI"
+ .db 0,0,"SHI",0,0,"SHI",0,0,"SHI",0,0,"SHI",0,0,"SHI"
#else
-defhiscrpos = 0
+defhiscrpos = -42
#endif
-;--- game settings ---
-
-_datalink = %00000001 ;linkplay (1!)
-_datafoodl = %00000010 ;left=0 limit
-_datasingl = %00000100 ;singleplayer=1 (=hiscore+keep_length+nextlevel) &&1?
-_dataPctf = %00001000 ;ctf peas=1
-__bitPctf = 3
-_datatime = %00010000 ;time incs score (timematch)
-;reserved %00100000 ;for future use
-_datafood = %01000000 ;food present=0 (6!)
-_dataPmult = %10000000 ;multiple peas=1 (no _datafood) (7!)
+;--- game settings -------------------------------------------------------------
savestart:;---
.db %11111101,0,K_PLUS,K_ENTER
worm4name: .db "JIM ",0
+_datasingl = %00000001 ;singleplayer=0 (=hiscore+keep_length+nextlevel)
+_datafoodl = %00000010 ;left=0 limit
+_datalink = %00000100 ;linkplay (1!)
+_dataPctf = %00001000 ;ctf peas=1
+__bitPctf = 3
+_datatime = %00010000 ;time incs score (timematch)
+;reserved %00100000 ;for future use
+_datafood = %01000000 ;food present=0 (6!)
+_dataPmult = %10000000 ;multiple peas=1 (no _datafood) (7!)
+
; �game info (see above)
; | �lives (0=unlimited)
; | | �nrworms (can be altered by user)
; | | | | | | �turn speed (8=def)
; | | | | | | | �score limit (0=none)
gamesingle = 0 ; | | | | | | | |
-datasingle:.db %00000110,3,1,1,-1,-1, 8, 0 ;Singleplayer (SP; 3 lives)
+datasingle:.db %00000010,3,1,1,-1,-1, 8, 0 ;Singleplayer (SP; 3 lives)
gamepeas = 1
-datapeas: .db %00000100,1,1,1,-1,126,8, 0 ;Peaworm (SP; 1 live, 127 growth)
+datapeas: .db %00000000,1,1,1,-1,126,8, 0 ;Peaworm (SP; 1 live, 127 growth)
gametron = 2
-datatron: .db %01010100,1,1,1,-1, 0, 8, 0 ;Tron (SP; 1 live, cont.growth)
+datatron: .db %01010000,1,1,1,-1, 0, 8, 0 ;Tron (SP; 1 live, cont.growth)
gamedeathm = 3
-datadeathm:.db %01000000,3,2,1,-1,49, 8, 0 ;Deathmatch (3 lives, 50 growth)
+datadeathm:.db %01000001,3,2,1,-1,49, 8, 0 ;Deathmatch (3 lives, 50 growth)
gamefoodm = 4
-datafoodm: .db %00000000,0,2,1,-1,-1, 8,10 ;Foodmatch (100 score)
+datafoodm: .db %00000001,0,2,1,-1,-1, 8,10 ;Foodmatch (100 score)
gamemfoodm = 5
-datamfoodm:.db %11000010,0,2,1,-1,-1, 8,10 ;MuchFoodmatch (10 peas)
+datamfoodm:.db %11000011,0,2,1,-1,-1, 8,10 ;MuchFoodmatch (10 peas)
gametimem = 6
-datatimem: .db %01010000,1,2,1,-1, 0, 8, 0 ;Timematch (1 live, cont.growth)
+datatimem: .db %01010001,1,2,1,-1, 0, 8, 0 ;Timematch (1 live, cont.growth)
gamerace = 7
-datarace: .db %01000000,0,2,1,-1,-1, 8,10 ;Race (100 score)
+datarace: .db %01000001,0,2,1,-1,-1, 8,10 ;Race (100 score)
gamectf = 8
-datactf: .db %01001000,0,6,1,-1,-1, 8,10 ;CTF (100 score)
+datactf: .db %01001001,0,6,1,-1,-1, 8,10 ;CTF (100 score)
gametype: .db 0 ;last gamemode
gamecar: ;made before needed (not saved)
git.shiar.nl / wormy.git / blobdiff