mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-25 05:29:34 +00:00
ksp: start work on 6502 assembly version
This commit is contained in:
Vince Weaver
parent
51f750298c
commit
078b03d56d
73
ksp/asm/Makefile
Normal file
73
ksp/asm/Makefile
Normal file
@ -0,0 +1,73 @@
|
||||
PCX2HGR = ../../hgr-utils/pcx2hgr
|
||||
DOS33 = ../../dos33fs-utils/dos33
|
||||
TXT2BAS = ../../asoft_basic-utils/tokenize_asoft
|
||||
SHAPETABLE = ../../hgr-utils/shape_table
|
||||
MAKEB = ../../dos33fs-utils/make_b
|
||||
LD65 = /usr/local/bin/ld65
|
||||
AS65 = /usr/local/bin/as65
|
||||
|
||||
DISKNAME=ksp_1.3.7.dsk
|
||||
|
||||
all: $(DISKNAME)
|
||||
|
||||
KSP: ksp
|
||||
$(MAKEB) ./ksp ./KSP 0xC00
|
||||
|
||||
ksp: ksp.o
|
||||
$(LD65) -o ksp ksp.o -C ./apple2_c00.inc
|
||||
|
||||
ksp.o: ksp.s
|
||||
$(AS65) -o ksp.o ksp.s -l ksp.lst
|
||||
|
||||
|
||||
$(DISKNAME): KSP \
|
||||
ROCKET.SHAPE \
|
||||
VAB.SHAPE \
|
||||
GLOBE.HGR LAUNCHPAD.HGR ORBIT_TOP.HGR ORBIT_RIGHT.HGR \
|
||||
LOADING.HGR SQUAD.HGR TITLE.HGR \
|
||||
VAB.HGR
|
||||
$(DOS33) -y $(DISKNAME) SAVE B KSP
|
||||
$(DOS33) -y $(DISKNAME) SAVE B LOADING.HGR
|
||||
$(DOS33) -y $(DISKNAME) SAVE B SQUAD.HGR
|
||||
$(DOS33) -y $(DISKNAME) SAVE B TITLE.HGR
|
||||
$(DOS33) -y $(DISKNAME) SAVE B VAB.HGR
|
||||
$(DOS33) -y $(DISKNAME) SAVE B GLOBE.HGR
|
||||
$(DOS33) -y $(DISKNAME) SAVE B LAUNCHPAD.HGR
|
||||
$(DOS33) -y $(DISKNAME) SAVE B ORBIT_RIGHT.HGR
|
||||
$(DOS33) -y $(DISKNAME) SAVE B ORBIT_TOP.HGR
|
||||
$(DOS33) -y $(DISKNAME) SAVE B ROCKET.SHAPE
|
||||
$(DOS33) -y $(DISKNAME) SAVE B VAB.SHAPE
|
||||
|
||||
|
||||
ROCKET.SHAPE: ../ship2.table
|
||||
$(SHAPETABLE) -b < ../ship2.table > ROCKET.SHAPE
|
||||
|
||||
VAB.SHAPE: ../ship.table
|
||||
$(SHAPETABLE) -b < ../ship.table > VAB.SHAPE
|
||||
|
||||
LAUNCHPAD.HGR: ../launchpad.pcx
|
||||
$(PCX2HGR) ../launchpad.pcx > LAUNCHPAD.HGR
|
||||
|
||||
ORBIT_TOP.HGR: ../orbit_top.pcx
|
||||
$(PCX2HGR) ../orbit_top.pcx > ORBIT_TOP.HGR
|
||||
|
||||
ORBIT_RIGHT.HGR: ../orbit_right.pcx
|
||||
$(PCX2HGR) ../orbit_right.pcx > ORBIT_RIGHT.HGR
|
||||
|
||||
GLOBE.HGR: ../globe.pcx
|
||||
$(PCX2HGR) ../globe.pcx > GLOBE.HGR
|
||||
|
||||
LOADING.HGR: ../loading.pcx
|
||||
$(PCX2HGR) ../loading.pcx > LOADING.HGR
|
||||
|
||||
SQUAD.HGR: ../squad.pcx
|
||||
$(PCX2HGR) ../squad.pcx > SQUAD.HGR
|
||||
|
||||
TITLE.HGR: ../title.pcx
|
||||
$(PCX2HGR) ../title.pcx > TITLE.HGR
|
||||
|
||||
VAB.HGR: ../vab.pcx
|
||||
$(PCX2HGR) ../vab.pcx > VAB.HGR
|
||||
|
||||
clean:
|
||||
rm -f *~ *.o *.lst KSP ksp *.HGR *.SHAPE *.BAS
|
||||
12
ksp/asm/apple2_c00.inc
Normal file
12
ksp/asm/apple2_c00.inc
Normal file
@ -0,0 +1,12 @@
|
||||
MEMORY {
|
||||
ZP: start = $00, size = $1A, type = rw;
|
||||
RAM: start = $C00, size = $8E00, file = %O;
|
||||
}
|
||||
|
||||
SEGMENTS {
|
||||
CODE: load = RAM, type = ro;
|
||||
RODATA: load = RAM, type = ro;
|
||||
DATA: load = RAM, type = rw;
|
||||
BSS: load = RAM, type = bss, define = yes;
|
||||
ZEROPAGE: load = ZP, type = zp;
|
||||
}
|
||||
528
ksp/asm/ksp.s
Normal file
528
ksp/asm/ksp.s
Normal file
@ -0,0 +1,528 @@
|
||||
; *********************************************
|
||||
; *** KSP by Vince Weaver, vince@deater.net ***
|
||||
; *** ***
|
||||
; *** A VMW Software Production ***
|
||||
; *********************************************
|
||||
;
|
||||
; http://www.deater.net/weave/vmwprod/ksp/
|
||||
; https://github.com/deater/dos33fsprogs
|
||||
;
|
||||
; Note: you'll want to run this through my tokenize_asoft
|
||||
; routine to remove these comments and create a proper
|
||||
; Applesoft BASIC file
|
||||
; Why not use REM statements? They take up valuable space
|
||||
; in RAM (we optimistically only have around 12kB to play with)
|
||||
; as well as slow down execution as BASIC is interpreted.
|
||||
;
|
||||
; Variable List: (Note, in Applesoft only first 2 chars matter)
|
||||
; A$ = keypressed
|
||||
; AN$ = astrounat name
|
||||
; C$ = contract name
|
||||
; D$ = ASCII(4) indicating we have a DOS command
|
||||
; AD() = astronaut dead
|
||||
; AN = rocket angle
|
||||
; AX/AY= rocket x/y acceleration
|
||||
; BF = bingo fuel (out of fuel) in stage
|
||||
; C = temp color
|
||||
; CQ = current quadrant (i.e. background to display)
|
||||
; DT = delta time (for time acceleration)
|
||||
; DV() = deltaV
|
||||
; EM() = per-stage empty mass
|
||||
; FM() = per-stage fuel mass
|
||||
; EN() = engines per stage
|
||||
; FF() = fuel flow
|
||||
; FL = fuel left (percent)
|
||||
; FT() = fuel tanks per stack
|
||||
; G = gravity
|
||||
; GA = gravity angle (radians)
|
||||
; GX/GY= gravity X/Y vector
|
||||
; H = horizon
|
||||
; HX/HY= orbital points in orbit mode
|
||||
; I = loop iterator
|
||||
; J = loop iterator
|
||||
; KE = astronaut eyes
|
||||
; KR = planet radius
|
||||
; LN = launched
|
||||
; MX = maximum altitude reached
|
||||
; OM = orbit mode (view)
|
||||
; P = number of parachutes
|
||||
; PD = parachutes deployed
|
||||
; RA = distance to center of planet
|
||||
; RR = altitude
|
||||
; RX/RY= rocket x,y position
|
||||
; S = Current Stage Number
|
||||
; SR = Number of struts
|
||||
; SS = Number of stages
|
||||
; TH() = stage thrust
|
||||
; TR = engines are thrusting
|
||||
; T = time
|
||||
; SM() = per-stage stage mass
|
||||
; ST() = Stacks per stage
|
||||
; TM() = per-stage total mass
|
||||
; TV = terminal velocity
|
||||
; TW() = thrust/weight ratio
|
||||
; V = velocity magnitude
|
||||
; VX/VY= velocity x/y vector
|
||||
; W = Which astronaut
|
||||
; X/Y = temp X/Y
|
||||
; ZX/ZY= Vx0 and Vy0
|
||||
;
|
||||
; Clear screen
|
||||
; 10 HOME:HGR:D$=CHR$(4)
|
||||
; *** REM *** SQUAD LOADING SCREEN ***
|
||||
; 100 PRINT D$"BLOAD SQUAD.HGR,A$2000"
|
||||
jsr BLOAD
|
||||
; *** REM *** Randmoize the start of the witty loading comments
|
||||
; 580 S=0:I=INT(RND(1)*8)+1
|
||||
; *** REM *** Prepare for the status bar
|
||||
; 590 VTAB 21: PRINT " ";:FOR I=1 TO 32: PRINT ".";: NEXT I
|
||||
; *** REM *** LOADING SCREEN ***
|
||||
; 700 FOR J=1 TO 32
|
||||
; 708 IF J=16 THEN PRINT: PRINT D$"BLOAD LOADING.HGR,A$2000"
|
||||
; 710 HTAB J+4:VTAB 21
|
||||
; 720 INVERSE: PRINT " ";: NORMAL
|
||||
; 790 S=S+1: IF S=4 THEN S=0
|
||||
; 795 IF S<>1 GOTO 840
|
||||
; 800 I=I+1: IF I > 8 THEN I=1
|
||||
; 802 VTAB 22: HTAB 1:PRINT " ";
|
||||
; 805 ON I GOSUB 850,851,852,853,854,855,856,857
|
||||
; *** REM *** Slow down so we don't load so fast
|
||||
; 840 FOR T=1 TO 250: NEXT T
|
||||
; 842 NEXT J
|
||||
; 845 GOTO 900
|
||||
; 850 HTAB 10:PRINT "Adding Extraneous Ks":RETURN
|
||||
; 851 HTAB 14:PRINT "Locating Jeb":RETURN
|
||||
; 852 HTAB 11:PRINT "Breaking Quicksaves":RETURN
|
||||
; 853 HTAB 12:PRINT "Patching Conics":RETURN
|
||||
; 854 HTAB 12:PRINT "Spinning up Duna":RETURN
|
||||
; 855 HTAB 11:PRINT "Warming up the 6502":RETURN
|
||||
; 856 HTAB 10:PRINT "Preparing Explosions":RETURN
|
||||
; 857 HTAB 10:PRINT "Unleashing the Kraken":RETURN
|
||||
; *** REM *** TITLE SCREEN ***
|
||||
; 900 HOME: PRINT: PRINT D$"BLOAD TITLE.HGR,A$2000"
|
||||
; 905 HTAB 25:VTAB 24: PRINT "VERSION 1.3.7.1";
|
||||
; *** REM ****************
|
||||
; *** REM KSP THEME MUSIC
|
||||
; *** REM SEE http://eightbitsoundandfury.ld8.org/programming.html
|
||||
; *** REM This loads an assembly language routine that generates
|
||||
; *** REM Square waves on the speaker output
|
||||
; *** REM ****************
|
||||
; 910 FOR L = 770 TO 790: READ V: POKE L,V: NEXT L
|
||||
; 920 DATA 173,48,192,136,208,5,206,1,3,240,9
|
||||
; 930 DATA 202,208,245,174,0,3,76,2,3,96
|
||||
; *** REM on qbasic this would be PLAY "L2ECGL4CEGL2B-AGL4CEGL2B-AGCD"
|
||||
; 940 FOR I=1 TO 17: READ F: READ D: POKE 768,F: POKE 769,D: CALL 770: NEXT I
|
||||
; 950 DATA 202,216,255,216,170,216
|
||||
; 955 DATA 255,108,202,108,170,108
|
||||
; 960 DATA 143,216,152,216,170,216
|
||||
; 965 DATA 255,108,202,108,170,108
|
||||
; 970 DATA 143,216,152,216,170,216,255,216,227,255
|
||||
; *** REM *** DONE LOADING ***
|
||||
; *** REM *** Wait for keypress
|
||||
; 990 VTAB 1: GET A$
|
||||
; *******************
|
||||
; *** VAB ***
|
||||
; *******************
|
||||
;**** REM *** Point to shape table location and load in VAB table
|
||||
;1000 POKE 232,0:POKE 233,16
|
||||
;1015 PRINT:PRINT D$"BLOAD VAB.SHAPE,A$1000"
|
||||
;1035 HGR : ROT= 0: SCALE= 2
|
||||
;1037 PRINT D$"BLOAD VAB.HGR,A$2000"
|
||||
;1150 X=132:Y=28
|
||||
;1155 XDRAW 1 AT X,Y+2
|
||||
;1200 HOME: INVERSE : VTAB 21: HTAB 7: PRINT " VEHICLE ASSEMBLY BUILDING "
|
||||
;1205 NORMAL:PRINT:PRINT "HOW MANY STAGES? (1-3)";:INPUT S
|
||||
;1230 FOR I = 1 TO S
|
||||
;1240 PRINT "HOW MANY STACKS, STAGE ";I;" (1-3)";:INPUT T:ST(I) = T
|
||||
;1260 PRINT "HOW MANY FUEL TANKS PER STACK, STAGE ";I;" (1-2)";
|
||||
;1265 INPUT F: FT(I) = F
|
||||
;1268 FOR J = 1 TO F
|
||||
;1270 XDRAW 2 AT X, Y+13*J
|
||||
;1272 IF T >1 THEN XDRAW 2 AT X-14, Y+13*J
|
||||
;1274 IF T >2 THEN XDRAW 2 AT X+14, Y+13*J
|
||||
;1278 NEXT J
|
||||
;1279 Y=Y+13*F
|
||||
;1280 PRINT "HOW MANY ENGINES, STAGE ";I;" (1-";T;")";:INPUT E
|
||||
;1285 EN(I) = E
|
||||
;1290 XDRAW 1 AT X, Y+8
|
||||
;1292 IF E >1 THEN XDRAW 1 AT X-14, Y+8
|
||||
;1294 IF E >2 THEN XDRAW 1 AT X+14, Y+8
|
||||
;1297 Y=Y+6
|
||||
;1300 NEXT I
|
||||
;1330 PRINT "HOW MANY PARACHUTES? (0-3)";:INPUT P
|
||||
;1350 PRINT "HOW MANY STRUTS? (0-20000)";:INPUT SR
|
||||
;1370 SS=S
|
||||
; *********************************
|
||||
; *** ASTRONAUT COMPLEX ***
|
||||
; *********************************
|
||||
;1500 TEXT: HOME: HTAB 11
|
||||
;1515 INVERSE: PRINT "ASTRONAUT COMPLEX": NORMAL
|
||||
;1520 PRINT:PRINT "CHOOSE ONE KERBAL FOR THIS MISSION:":PRINT
|
||||
;1530 FOR I=1 TO 8
|
||||
;1540 IF AD(I) GOTO 1600
|
||||
;1550 ON I GOSUB 1641,1642,1643,1644,1645,1646,1647,1648
|
||||
;1560 PRINT " ";I;". ";AN$,AJ$;" S: ";AS$;" C: ";AC$
|
||||
;1600 NEXT I
|
||||
;1605 PRINT: INPUT W
|
||||
;1615 IF W<1 OR W>8 THEN PRINT "INVALID INPUT, PLEASE TRY AGAIN!": GOTO 1610
|
||||
;1630 ON W GOSUB 1641,1642,1643,1644,1645,1646,1647,1648
|
||||
;1630 GOTO 1776
|
||||
;1641 AN$="JEBEDIAH" :AJ$="PILOT":AS$="****":AC$="****":RETURN
|
||||
;1642 AN$="VALENTINA":AJ$="PILOT":AS$="****":AC$="****":RETURN
|
||||
;1643 AN$="KAI" :AJ$="SCI ":AS$="*** ":AC$="***":RETURN
|
||||
;1644 AN$="KUROSHIN" :AJ$="ENGR ":AS$="** ":AC$="*":RETURN
|
||||
;1645 AN$="DESKTOP" :AJ$="ENGR ":AS$="* ":AC$="***":RETURN
|
||||
;1646 AN$="SLASHDOT" :AJ$="SCI ":AS$="*** ":AC$="*":RETURN
|
||||
;1647 AN$="ZURGTROYD":AJ$="PILOT":AS$="** ":AC$="***":RETURN
|
||||
;1648 AN$="DAPHTY" :AJ$="ENGR ":AS$="*** ":AC$="***":RETURN
|
||||
;*** REM DEBUG, Uncomment and Jump here to skip loading
|
||||
;1700 REM TEXT:HOME
|
||||
;1720 REM AN$="ZURGTROYD":SS=3
|
||||
;1750 REM EN(1)=1:ST(1)=1:FT(1)=1
|
||||
;1751 REM EN(2)=2:ST(2)=2:FT(2)=1
|
||||
;1752 REM EN(3)=3:ST(3)=3:FT(3)=1
|
||||
;************************
|
||||
;* Rocket Summary ***
|
||||
;************************
|
||||
;*** REM Load Rocket Shape Table
|
||||
;1776 POKE 232,0:POKE 233,16
|
||||
;1783 PRINT D$"BLOAD ROCKET.SHAPE,A$1000"
|
||||
;1800 HOME:PRINT "ROCKET SUMMARY:":PRINT
|
||||
;1802 G=-9.8:S=SS:DT=1
|
||||
;1805 FOR I=1 TO S
|
||||
;*** REM EmptyMass=Engines*1.5T+(Stacks*FuelTanks)*0.5T
|
||||
;1810 EM(I)=EN(I)*1.5+ST(I)*FT(I)*0.5
|
||||
;*** REM First stage also has a 1T capsule
|
||||
;1812 IF I=1 THEN EM(I)=EM(I)+1.0
|
||||
;*** REM FuelMass=(Stacks*FuelTanks)*4T
|
||||
;1814 FM(I)=ST(I)*FT(I)*4.0
|
||||
;*** REM StageFuel=FuelMass (one gets decremented as we use it up)
|
||||
;1815 SF(I)=FM(I)
|
||||
;*** REM StageMass=EmptyMass+FuelMass
|
||||
;1816 SM(I)=EM(I)+FM(I)
|
||||
;*** REM Total mass of stage includes all higher stages
|
||||
;1820 TM(I)=0
|
||||
;1822 FOR J=1 TO I
|
||||
;1825 TM(I)=TM(I)+SM(J)
|
||||
;1830 NEXT J
|
||||
;*** Thrust=NumberOfEngines*168kN
|
||||
;1835 TH(I)=EN(I)*168
|
||||
;*** DeltaV=ISP*gravity*ln(total_mass/empty_mass)
|
||||
;1840 DV(I)=270*-G*LOG(TM(I)/(TM(I)-FM(I)))
|
||||
;*** Thrust/Weight Ratio
|
||||
;1850 TW(I)=TH(I)/(TM(I)*-G)
|
||||
;*** Fuel Flow
|
||||
;1855 FF(I)=TH(I)/(270*-G)
|
||||
;1990 PRINT "STAGE: ";4-I
|
||||
;1991 PRINT " TANKS=";ST(I)*FT(I);" ENGINES=";EN(I)
|
||||
;1992 PRINT " STAGE MASS=";SM(I);" TOTAL MASS=";TM(I)
|
||||
;1993 PRINT " DELTAV=";DV(I)
|
||||
;1995 PRINT " TWR=";TW(I)
|
||||
;2000 NEXT I
|
||||
;2998 GET A$
|
||||
;2999 HOME
|
||||
;******************************
|
||||
;*** Main Loop ****
|
||||
;******************************
|
||||
;
|
||||
;******************************
|
||||
;*** Initialize Variables ***
|
||||
;******************************
|
||||
;3000 AN=0:GX=0:GY=-9.8:GA=0:V=0:VX=0:VY=0:AX=0:AY=0:KR=600000
|
||||
;3016 RX=0:RY=KR+10:RA=KR+10:TR=0:T=0:BF=0:MX=0:PD=0:LN=0:CQ=0:OM=0
|
||||
;3020 HGR:ROT=0:SCALE=2:H=0
|
||||
;**** REM ** LAUNCHPAD **
|
||||
;3035 PRINT:PRINT D$"BLOAD LAUNCHPAD.HGR,A$2000"
|
||||
;**** REM DRAW HORIZON (GREEN)
|
||||
;3038 HCOLOR=1:HPLOT 1,80 TO 132,80: HPLOT 148,80 TO 247,80
|
||||
;**** REM DRAW GANTRY (WHITE)
|
||||
;3039 HCOLOR=3:HPLOT 110,110 TO 110,60:HPLOT TO 130,60: HPLOT 110,70 TO 130,70
|
||||
;**** DRAW SHIP
|
||||
;3040 XDRAW 1+((S-1)*2)+TR AT 140,80
|
||||
;4000 REM ** MAIN LOOP **
|
||||
;**** REM ** if not launched yet then skip physics
|
||||
;4002 IF LN=0 GOTO 5032
|
||||
;**** Calculate altitude and set maximum if we are at new record
|
||||
;4003 RR=RA-KR:IF RR>MX THEN MX=RR
|
||||
;**** If orbit mode then skip drawing horizon, etc
|
||||
;4004 IF OM=1 GOTO 4018
|
||||
;**** If above 1.8km don't draw horizon
|
||||
;**** FIXME: do we need to check OM again?
|
||||
;**** FIXME: we draw the horizon one pixel too far to right
|
||||
;4005 IF RR>1800 OR OM=1 THEN GOTO 4012
|
||||
;**** Erase old horizon
|
||||
;4007 HCOLOR=0:HPLOT 1,80+H TO 132,80+H:HPLOT 148,80+H TO 247,80+H
|
||||
;**** Calculate and draw new horizon
|
||||
;4010 H=RR/20:HCOLOR=1:HPLOT 1,80+H TO 132,80+H:HPLOT 148,80+H TO 247,80+H
|
||||
;**** REM *** Check if need to change to surface mode
|
||||
;4012 IF RR<40000 AND CQ<>0 THEN GOSUB 7600
|
||||
;**** REM *** If in surface mode, skip ahead
|
||||
;4014 IF RR<40000 GOTO 4018
|
||||
;**** REM *** See if need to change to high-altitude mode
|
||||
;4016 IF RR>40000 AND CQ<>1 THEN GOSUB 7700
|
||||
;**** REM *** Calculate Fuel Left
|
||||
;4018 FL=FM(S)*100/SF(S)
|
||||
;**** REM *** If not thrusting then skip ahead
|
||||
;4020 IF TR<>1 THEN GOTO 4050
|
||||
;**** REM *** If out of fuel then shut down engines
|
||||
;4025 IF FM(S)<0.1 THEN FM(S)=0:BF=1:AX=0:AY=0:GOTO 4050
|
||||
;**** REM *** Calculate acceleration vectors based on thrust and mass
|
||||
;4030 AX=(TH(S)/TM(S))*SIN(AN):AY=(TH(S)/TM(S))*COS(AN)
|
||||
;**** REM *** Update masses now that fuel was used
|
||||
;4040 FM(S)=FM(S)-FF(S):TM(S)=TM(S)-FF(S)
|
||||
;4047 GOTO 4060
|
||||
;**** REM ELSE NOT THRUSTING
|
||||
;4050 AX=0:AY=0
|
||||
;**** REM ENDIF
|
||||
;**** REM *** Calculate angle to center of planet
|
||||
;4060 GA=ATN(RX/RY)
|
||||
;**** REM *** Wrap since ATN can only return -PI/2 to PI/2
|
||||
;4065 IF RY<0 THEN GA=GA+3.14
|
||||
;**** REM *** Calculate gravity vectors
|
||||
;4070 GY=COS(GA)*G:GX=SIN(GA)*G:AY=AY+GY:AX=AX+GX
|
||||
;**** REM *** v=v0+at
|
||||
;4090 ZX=VX:ZY=VY:VY=ZY+AY*DT:VX=ZX+AX*DT:V=SQR(VX*VX+VY*VY)
|
||||
;**** REM *** deltaX=0.5(V0+V)t
|
||||
;5012 RY=RY+0.5*(ZY+VY)*DT:RX=RX+0.5*(ZX+VX)*DT:RA=SQR(RX*RX+RY*RY)
|
||||
;**** REM *** If new position below surface then crash
|
||||
;5020 IF RA<KR THEN GOTO 8000
|
||||
;**** REM *** Calculate new gravity value based on altitude
|
||||
;5030 G=-9.8/((RA/KR)*(RA/KR))
|
||||
;*****************************************
|
||||
;*** Print status on bottom of screen ***
|
||||
;*****************************************
|
||||
;5032 VTAB 21:PRINT "TIME: ";T,"STAGE: ";4-S;" ";AN$
|
||||
;5045 PRINT "ALT: ";INT((RA-KR)/1000);"KM","ANGLE=";R*5.625;" "
|
||||
;5060 PRINT "VEL: ";INT(V);"M/S","FUEL: ";INT(FL);"% "
|
||||
;**** REM *** If out of fuel then cut off thrusting
|
||||
;5100 IF BF=1 THEN BF=0:A$="X":GOTO 5555
|
||||
;********************************
|
||||
;*** Check for keyboard input ***
|
||||
;********************************
|
||||
;*** No non-blocking input in Applesoft
|
||||
;*** so need to check keyboard buffer directly
|
||||
;5115 Q=PEEK(-16384):IF Q<128 THEN GOTO 6095
|
||||
;5222 A$=CHR$(Q-128):POKE 49168,0
|
||||
;********************************
|
||||
;*** Erase the old ship
|
||||
;********************************
|
||||
;5555 IF OM<>1 THEN XDRAW 1+((S-1)*2)+TR AT 140,80
|
||||
;********************************
|
||||
;*** Handle keypresses
|
||||
;********************************
|
||||
;6060 IF A$="Q" THEN GOTO 9000
|
||||
;**** A/D rotate ship
|
||||
;6061 IF A$="A" THEN R=R-8:AN=AN-0.7853
|
||||
;6062 IF A$="D" THEN R=R+8:AN=AN+0.7853
|
||||
;**** C (undocumented) forces crash
|
||||
;6063 IF A$="C" THEN GOTO 8000
|
||||
;**** Z/X enable/disable engines
|
||||
;6064 IF A$="Z" THEN TR=1
|
||||
;6065 IF A$="X" THEN TR=0
|
||||
;**** >/< speed/slow time
|
||||
;6066 IF A$=">" THEN DT=DT+1
|
||||
;6067 IF A$="<" THEN DT=DT-1:IF DT<1 THEN DT=1
|
||||
;**** M switched to/from orbit mode
|
||||
;6068 IF A$="M" AND OM=1 THEN OM=0:CQ=-1:GOTO 4000
|
||||
;6069 IF A$="M" AND OM=0 THEN OM=1:HOME:PRINT:PRINT D$"BLOAD GLOBE.HGR,A$2000":GOTO 6095
|
||||
;**** space launches ship or stages/parachutes
|
||||
;**** we make a click noise on the speaker if we stage
|
||||
;6070 IF A$=" " AND LN=1 THEN S=S-1:XX=PEEK(-16336):IF S<1 AND P>0 AND PD=0 THEN PD=1:GOSUB 7800
|
||||
;6072 IF S<1 THEN S=1
|
||||
;6074 IF A$=" " AND LN=0 THEN GOSUB 7500
|
||||
;**************************************
|
||||
;*** Adjust values after keypresses ***
|
||||
;**************************************
|
||||
;**** Adjust rotation
|
||||
;6075 IF R=64 THEN R=0:AN=0
|
||||
;6076 IF R=-8 THEN R=56
|
||||
;**** REM Adjust astronaut face: FIXME better cues
|
||||
;**** REM always start neutral
|
||||
;6077 IF OM<>1 THEN GOSUB 8200
|
||||
;**** REM If flying upside down then frown
|
||||
;6078 IF OM<>1 AND R>20 AND R<48 THEN GOSUB 8210:GOTO 6080
|
||||
;**** REM If going up then smile
|
||||
;6079 IF OM<>1 AND VY>100 THEN GOSUB 8220
|
||||
;**** Adjust rotation
|
||||
;6080 ROT=R
|
||||
;**** Re-draw ship
|
||||
;6090 IF OM<>1 THEN XDRAW 1+((S-1)*2)+TR AT 140,80
|
||||
;**** In orbit mode, plot orbit
|
||||
;6095 IF OM=1 THEN HX=INT(RX/25000)+140:HY=INT(-RY/25000)+85:HCOLOR=3:HPLOT HX,HY
|
||||
;**** Adjust Time plus astronaut eye count
|
||||
;6118 T=T+DT:EC=EC+DT
|
||||
;**** If enough time has passed update eyes
|
||||
;6150 IF OM<>1 AND EC>30 THEN EC=0:GOSUB 8100
|
||||
;**** REM Loop forever
|
||||
;6200 GOTO 4000
|
||||
;***************
|
||||
;*** LAUNCH ****
|
||||
;***************
|
||||
;**** REM Erase gantry
|
||||
;7500 HCOLOR=0:HPLOT 110,110 TO 110,60:HPLOT TO 130,60: HPLOT 110,70 TO 130,70
|
||||
;**** REM click the speaker
|
||||
;7520 XX=PEEK(-16336)
|
||||
;7530 TR=1:LN=1
|
||||
;**** Make astronaut smile
|
||||
;7535 GOSUB 8220
|
||||
;7540 RETURN
|
||||
;********************
|
||||
;**** Ground Mode ***
|
||||
;********************
|
||||
;7600 HOME:PRINT:PRINT D$"BLOAD LAUNCHPAD.HGR,A$2000"
|
||||
;7615 XDRAW 1+((S-1)*2)+TR AT 140,80
|
||||
;7620 CQ=0
|
||||
;7650 RETURN
|
||||
;********************
|
||||
;*** Space Mode *****
|
||||
;********************
|
||||
;*** Up mode, sort of intend to have up/down/left/right images
|
||||
;*** but only up implemented right now
|
||||
;7700 HOME:PRINT:PRINT D$"BLOAD ORBIT_TOP.HGR,A$2000"
|
||||
;7710 XDRAW 1+((S-1)*2)+TR AT 140,80
|
||||
;7720 CQ=1
|
||||
;7750 RETURN
|
||||
;*************************
|
||||
;*** Deploy Parachutes ***
|
||||
;*************************
|
||||
;7800 HX=0:HY=0
|
||||
;7805 IF PD=1 THEN HX=5:HY=3
|
||||
;7810 HCOLOR=HX:HPLOT 120,20 TO 160,20 TO 180,40 TO 100,40 TO 120,20
|
||||
;7820 HCOLOR=HY:HPLOT 100,40 TO 140,80 TO 180,40
|
||||
;7830 RETURN
|
||||
;***************
|
||||
;**** CRASH ****
|
||||
;***************
|
||||
;**** Make ship bigger
|
||||
;8000 SCALE=3
|
||||
;**** Make astronaut frown
|
||||
;8015 GOSUB 8200
|
||||
;**** Spin ship around while clicking
|
||||
;8020 FOR I=0 TO 64 STEP 8: ROT=I:XDRAW 1+((S-1)*2)+TR AT 140,80: XX=PEEK(-16336):NEXT I
|
||||
;**** Draw explosion
|
||||
;8030 FOR I=1 TO 50
|
||||
;8040 X=INT(RND(1)*80)+1:Y=INT(RND(1)*80)+1
|
||||
;8050 C=INT(RND(1)*7)+1:HCOLOR=C
|
||||
;8060 HPLOT 140,80 TO 100+X,40+Y
|
||||
;8070 XX=PEEK(-16336)
|
||||
;8080 NEXT I
|
||||
;**** Kill off the astronaut
|
||||
;8085 AD(W)=1
|
||||
;8090 GOTO 9000
|
||||
;**************************
|
||||
;*** Astronaut Eyes ***
|
||||
;**************************
|
||||
;**** Erase old ones
|
||||
;8100 HCOLOR=3:HPLOT 258,150 TO 263,150:HPLOT 265,150 TO 270,150
|
||||
;*** Randomly pick new ones
|
||||
;8110 KE=INT(RND(1)*3)
|
||||
;**** Draw new ones
|
||||
;8120 HCOLOR=0:HPLOT 258+(2*KE),150 TO 259+(2*KE),150
|
||||
;8125 HPLOT 265+(2*KE),150 TO 266+(2*KE),150
|
||||
;8130 RETURN
|
||||
;**************************
|
||||
;*** Astronaut Frown ***
|
||||
;**************************
|
||||
;**** Erase old mouth
|
||||
;8200 HCOLOR=1:HPLOT 259,155 TO 271,155:HPLOT 259,156 TO 271,156
|
||||
;**** Draw frown
|
||||
;8205 HCOLOR=0:HPLOT 261,155 TO 269,155:HPLOT 259,156 TO 271,156
|
||||
;8207 RETURN
|
||||
;**************************
|
||||
;*** Astronaut Neutral ***
|
||||
;**************************
|
||||
;**** Erase old mouth
|
||||
;8210 HCOLOR=1:HPLOT 259,155 TO 271,155:HPLOT 259,156 TO 271,156
|
||||
;**** Draw new mouth
|
||||
;8215 HCOLOR=0:HPLOT 259,155 TO 271,155
|
||||
;8217 RETURN
|
||||
;**************************
|
||||
;*** Astronaut Smile ***
|
||||
;**************************
|
||||
;**** Erase old mouth
|
||||
;8220 HCOLOR=1:HPLOT 259,155 TO 271,155:HPLOT 259,156 TO 271,156
|
||||
;**** Draw new mouth
|
||||
;8225 HCOLOR=0:HPLOT 259,155 TO 271,155:HPLOT 261,156 TO 269,156
|
||||
;8227 RETURN
|
||||
;*****************************
|
||||
;*** CONTRACT COMPLETE ***
|
||||
;*****************************
|
||||
;9000 IF MX<40000 THEN C$="CRASH SHIP":F$="0.30":E$="-1":GOTO 9010
|
||||
;9007 C$="REACH SPACE":F$="200":E$="20"
|
||||
;9010 TEXT:HOME
|
||||
;9020 HTAB 10:VTAB 9
|
||||
;9021 FOR I=1 TO 20: PRINT "*";: NEXT I: PRINT "*"
|
||||
;9023 HTAB 10: PRINT "* ";:INVERSE: PRINT "CONTRACT COMPLETE";:NORMAL: PRINT " *"
|
||||
;9024 HTAB 10: PRINT "* ";
|
||||
;9026 L=10-(LEN(C$))/2
|
||||
;9027 HTAB 10+L:PRINT C$;:HTAB 30: PRINT "*"
|
||||
;9030 HTAB 10:PRINT "* FUNDS ";F$;:HTAB 30: PRINT "*"
|
||||
;9030 HTAB 10:PRINT "* EXPERIENCE ";E$;:HTAB 30: PRINT "*"
|
||||
;9040 HTAB 10
|
||||
;9042 FOR I=1 TO 20: PRINT "*";: NEXT I:PRINT "*"
|
||||
;9100 VTAB 16
|
||||
;9110 PRINT "NOW WHAT?"
|
||||
;9120 PRINT " 1. RETURN TO THE VAB"
|
||||
;9130 PRINT " 2. RETURN TO ASTRO COMPLEX"
|
||||
;9140 PRINT " 3. RETURN TO LAUNCH"
|
||||
;9145 PRINT " 4. HELP"
|
||||
;9150 PRINT " 5. QUIT GAME"
|
||||
;9160 PRINT "---> ";
|
||||
;9170 GET A$
|
||||
;9171 IF A$="1" GOTO 1000
|
||||
;9172 IF A$="2" GOTO 1500
|
||||
;9173 IF A$="3" GOTO 1776
|
||||
;9174 IF A$="4" OR A$="H" GOTO 9200
|
||||
;9175 IF A$="5" OR A$="Q" THEN TEXT:HOME:END
|
||||
;9176 GOTO 9160
|
||||
;*******************
|
||||
;*** HELP SCREEN ***
|
||||
;*******************
|
||||
;9200 HOME:PRINT "KSP-APPLE-II BY VINCE WEAVER"
|
||||
;9230 PRINT " APPLE II FOREVER"
|
||||
;9240 PRINT " A,D - STEER SHIP LEFT/RIGHT"
|
||||
;9250 PRINT " Z - START ENGINES"
|
||||
;9260 PRINT " X - CUT ENGINES"
|
||||
;9270 PRINT " SPACE - LAUNCH,STAGE"
|
||||
;9275 PRINT " M - SWITCH TO ORBITAL VIEW"
|
||||
;9277 PRINT " <,> - FAST FORWARD"
|
||||
;9280 PRINT " ESC - QUIT"
|
||||
;9300 GET A$
|
||||
;9320 GOTO 9010
|
||||
|
||||
BLOAD:
|
||||
jsr find_free_dos_buffer
|
||||
rts
|
||||
|
||||
; See Beneath Apple DOS
|
||||
find_free_dos_buffer:
|
||||
lda $3D2 ; dos load point
|
||||
sta $1
|
||||
ldy #0
|
||||
sty $0
|
||||
gbuf0:
|
||||
lda ($0),Y
|
||||
pha
|
||||
iny
|
||||
lda ($0),Y
|
||||
sta $1
|
||||
pla
|
||||
sta $0
|
||||
bne gbuf ; got one
|
||||
lda $1
|
||||
beq nbuf ; no buffers
|
||||
gbuf:
|
||||
ldy #0 ; get filename
|
||||
lda ($0),Y
|
||||
beq gotbuf ; it's free
|
||||
ldy #36 ; it's not free
|
||||
bne gbuf0 ; get next buffer
|
||||
gotbuf:
|
||||
clc ; indicate got buffer
|
||||
rts
|
||||
nbuf:
|
||||
sec ; indicate not free
|
||||
rts
|
||||
|
||||
|
||||
|
||||
BIN
ksp/asm/ksp_1.3.7.dsk
Normal file
BIN
ksp/asm/ksp_1.3.7.dsk
Normal file
Binary file not shown.
Loading…
Reference in New Issue
Block a user