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scorch_src/C64/textproc.asm
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Pecusx 56a756f0ba First C64 compilation
2023-05-08 11:30:10 +02:00

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; @com.wudsn.ide.asm.mainsourcefile=scorch.asm
.IF *>0
WeaponsListDL = 0
NamesOfLevels = 0
;----------------------------------------
; this module contains routines used in text mode
; like shop and start-up options
;----------------------------------------
;--------------------------------------------------
.proc Options
;--------------------------------------------------
; start-up screen - options, etc.
; this function returns:
; - number of players (NumberOfPlayers)
; - money each player has on the beginning of the game (moneyL i moneyH)
; - and I am sure maxwind, gravity, no_of_rounds in a game, speed of shell flight
ldx #$08
@ lda Autoplay_OptionsTable,x
sta OptionsTable,x
dex
bpl @-
rts
Autoplay_OptionsTable .by 4,4,2,2,4,1,3,2,4
.endp
.proc SelectNextGradient
lda OptionsY ; if "Wind" option selected
cmp #$03
bne NotWind
lda WindChangeInRound ; wind change after each turn (not round only) flag
eor #$1f ; '?' character
sta WindChangeInRound
rts
NotWind
ldy GradientNr
iny
cpy #$03
bne NoGradientLoop
ldy #$00
NoGradientLoop
sty GradientNr
lda GradientAddrL,y
sta GradientColors
lda GradientAddrH,y
sta GradientColors+1
rts
.endp
; --------------------------------------
; Sets the appropriate variables based on the options table
;
.proc SetVariablesFromOptions
;first option
ldy OptionsTable
iny
iny
sty NumberOfPlayers ;1=1 player (but minimum is 2)
;second option (cash)
ldy OptionsTable+1
ldx #0
@
lda CashOptionL,y
sta moneyL,x
lda CashOptionH,y
sta moneyH,x
inx
cpx NumberOfPlayers
bne @-
;third option (gravity)
ldy OptionsTable+2
lda GravityTable,y
sta gravity
;fourth option (wind)
ldy OptionsTable+3
lda MaxWindTable,y
sta MaxWind
;fifth option (no of rounds)
ldy OptionsTable+4
lda RoundsTable,y
sta RoundsInTheGame
;6th option (shell speed)
ldy OptionsTable+5
lda flyDelayTable,y
sta flyDelay
;7th option (Airstrike after how many missess)
ldy OptionsTable+6
lda seppukuTable,y
sta seppukuVal
;8th option (how aggressive are mountains)
ldy OptionsTable+7
lda mountainsDeltaTableH,y
sta mountainDeltaH
lda mountainsDeltaTableL,y
sta mountainDeltaL
rts
.endp
;-------------------------------------------
; call of the purchase (and activate) screens for each tank
.proc CallPurchaseForEveryTank
mva #0 TankNr
sta isInventory
@
ldx TankNr
lda SkillTable,x
beq ManualPurchase
jsr PurchaseAI ; remember to make ActivateAI :) !!!
jmp AfterManualPurchase
ManualPurchase
lda JoyNumber,x
sta JoystickNumber ; set joystick port for player
mva #0 isInventory
jsr Purchase ; purchase weapons
bit escFlag
spl:rts
jsr DefensivesActivate ; activate weapons
bit escFlag
spl:rts
AfterManualPurchase
inc:lda TankNr
cmp NumberOfPlayers
bne @-
rts
.endp
;--------------------------------------------------
.proc DefensivesActivate
;--------------------------------------------------
; This proc call Inventory and set Defensives activation first
mwa #ListOfDefensiveWeapons WeaponsListDL ;switch to the list of offensive weapons
mva #$ff IsInventory
mva #%10000000 WhichList
; offensive weapon - 0, defensive - %10000000
jmp Purchase.GoToActivation
.endp
;--------------------------------------------------
.proc Purchase ;
;--------------------------------------------------
; In tanknr there is a number of the tank (player)
; that is buying weapons now (from 0).
; Rest of the data is taken from appropriate tables
; and during the purchase these tables are modified.
; we are clearing list of the weapons
mva #$00 WhichList
; offensive weapon - 0, deffensive - %10000000
GoToActivation
rts
.endp
; -----------------------------------------------------
.proc EnterPlayerNames
;entering names of players
mva #0 TankNr
sta COLBAKS ; set color of background
@ tax
lda TankStatusColoursTable,x
sta COLOR2 ; set color of player name line
jsr EnterPlayerName
bit escFlag
spl:rts
jsr CheckTankCheat
inc TankNr
lda TankNr
cmp NumberOfPlayers
bne @-
rts
.endp
; -----------------------------------------------------
.proc EnterPlayerName
; in: TankNr
; Out: TanksNames, SkillTable
; this little thing is for choosing Player's skill (if computer)
; and entering his name
; If no name entered, there should be name "1st Tank", etc.
; Default tanks names are in table TanksNamesDefault
; -----------------------------------------------------
;
EndOfNick
; storing name of the player and its level
; level of the computer opponent goes to
; the table of levels (difficulties)
ldx tanknr
lda #6 ; Spoiler
sta DifficultyLevel
sta skilltable,x
beq NotRobot
lda #$03 ; shape for robotanks
sta TankShape,x
NotRobot
; storing name of the tank in the right space
; (without cursor!)
ldy #$00
txa ; ldx TankNr
asl
asl
asl ; 8 chars per name
tax ; in X where to put new name
mva #sfx_next_player sfx_effect
; check if all chars are empty (" ")
ldy #7
lda #0
@ ora #0 ; NameAdr,y
and #$7F ; remove inverse (Cursor)
dey
bpl @-
tay
beq MakeDefaultName
ldy #0
nextchar04
lda #0 ; NameAdr,y
and #$7f ; remove inverse (Cursor)
sta tanksnames,x
inx
iny
cpy #$08
bne nextchar04
rts
MakeDefaultName
nextchar05
lda tanksnamesDefault,x
sta tanksnames,x
inx
iny
cpy #$08
bne nextchar05
rts
.endp
;--------------------------------------------------
.proc displaydec5 ;decimal (word), displayposition (word)
;--------------------------------------------------
; displays decimal number as in parameters (in text mode)
; leading zeroes are removed
; the range is (00000..65565 - two bytes)
ldy #4 ; there will be 5 digits
NextDigit
ldx #16 ; 16-bit dividee so Rotate 16 times
lda #$00
Rotate000
aslw decimal
rol ; scroll dividee
; (as highest byte - additional - byte is A)
cmp #10 ; divider
bcc TooLittle000 ; if A is smaller than divider
; there is nothing to substract
sbc #10 ; divider
inc decimal ; lowest bit set to 1
; because it is 0 and this is the fastest way
TooLittle000 dex
bne Rotate000 ; and Rotate 16 times, Result will be in decimal
tax ; and the rest in A
; (and it goes to X because
; it is our decimal digit)
lda digits,x
sta decimalresult,y
dey
bpl NextDigit ; Result again /10 and we have next digit
;rightnumber
; displaying without leading zeroes (if zeroes exist then display space at this position)
ldy #0
ldx #0 ; digit flag (cut leading zeroes)
displayloop
lda decimalresult,y
cpx #0
bne noleading0
cpy #4
beq noleading0 ; if 00000 - last 0 must stay
cmp zero
bne noleading0
lda #space
beq displaychar ; space = 0 !
noleading0
inx ; set flag (no leading zeroes to cut)
displaychar
sta (displayposition),y
nexdigit
iny
cpy #5
bne displayloop
rts
.endp
;--------------------------------------------------
.proc displaybyte ;decimal (byte), displayposition (word)
;--------------------------------------------------
; displays decimal number as in parameters (in text mode)
; leading zeores are removed
; the range is (00..99 - one byte)
ldy #1 ; there will be 2 digits
NextDigit2
ldx #8 ; 8-bit dividee so Rotate 8 times
lda #$00
Rotate001
asl decimal
rol ; scroll dividee
; (as highest byte - additional - byte is A)
cmp #10 ; divider
bcc TooLittle001 ; if A is smaller than divider
; there is nothing to substract
sbc #10 ; divider
inc decimal ; because it is 0 and this is the fastest way
TooLittle001 dex
bne Rotate001 ; and Rotate 8 times, Result will be in decimal
tax ; and the rest in A
; (and it goes to X because
; it is our decimal digit)
lda digits,x
sta decimalresult,y
dey
bpl NextDigit2 ; Result again /10 and we have next digit
; now cut leading zeroes (02 goes 2)
lda decimalresult
cmp zero
bne decimalend1
lda #space
sta decimalresult
decimalend1
; displaying
ldy #1
displayloop1
lda decimalresult,y
sta (displayposition),y
dey
bpl displayloop1
rts
.endp
;--------------------------------
.proc DisplayResults ;
;displays results of the round
;using 4x4 font
mva #$ff plot4x4color
;centering the result screen
mva #((ScreenHeight/2)-(8*4)) ResultY
;upper frame
mva ResultY LineYdraw
jsr TL4x4_top
adb ResultY #4 ;next line
;Header1
;Displays round number
lda CurrentRoundNr
cmp RoundsInTheGame
beq GameOver4x4
sta decimal
mwa #RoundNrDisplay displayposition
jsr displaybyte ;decimal (byte), displayposition (word)
mwa #LineHeader1 LineAddress4x4
mwa #((ScreenWidth/2)-(8*4)) LineXdraw
mva ResultY LineYdraw
jsr TypeLine4x4
beq @+ ;unconditional jump, because TypeLine4x4 ends with beq
GameOver4x4
RmtSong song_round_over
mwa #LineGameOver LineAddress4x4
mwa #((ScreenWidth/2)-(8*4)) LineXdraw
mva ResultY LineYdraw
jsr TypeLine4x4
mva #1 GameIsOver
@
adb ResultY #4 ;next line
;Empty line
mva ResultY LineYdraw
jsr TL4x4_empty
adb ResultY #2 ;next line
;Header2
mwa #LineHeader2 LineAddress4x4
mwa #((ScreenWidth/2)-(8*4)) LineXdraw
mva ResultY LineYdraw
jsr TypeLine4x4
adb ResultY #4 ;next line
;Empty line
mva ResultY LineYdraw
jsr TL4x4_empty
sbb ResultY #2 ;next line (was empty)
ldx NumberOfPlayers ;we start from the highest (best) tank
dex ;and it is the last one
stx ResultOfTankNr ;in TankSequence table
mwa #TanksNames tempXROLLER
ResultOfTheNextPlayer
ldx ResultOfTankNr ;we are after a round, so we can use TankNr
lda TankSequence,x ;and we keep here real number if the tank
sta TankNr ;for which we are displaying results
adb ResultY #4 ;next line
;there are at least 2 players, so we can safely
;start displaying the result
lda #3 ;it means |
sta ResultLineBuffer
ldy TankNr
lda ResultsTable,y
sta decimal
mva #0 decimal+1
mwa #(ResultLineBuffer+8) displayposition
jsr displaydec5 ;decimal (byte), displayposition (word)
; overwrite the second digit of the points (max 255)
;it means ":"
mva #26 ResultLineBuffer+9
ldx #0
lda TankNr
asl
asl ; times 8, because it is lengtgh
asl ; of the names of the tanks
tay
TankNameCopyLoop
lda (tempXROLLER),y ;XROLLER is not working now
and #$3f ;always CAPITAL letters
inx
sta ResultLineBuffer,x
iny
cpx #8 ; end of name
bne TankNameCopyLoop
; last letter of tank name overwrites first digit of the points (max 255)
;just after the digits
;it means |
mva #$3 ResultLineBuffer+13
;result line display
mwa #ResultLineBuffer LineAddress4x4
mwa #((ScreenWidth/2)-(8*4)) LineXdraw
mva ResultY LineYdraw
jsr TypeLine4x4
adb ResultY #4 ;next line
;Empty line
mva ResultY LineYdraw
jsr TL4x4_empty
dec ResultOfTankNr
bmi FinishResultDisplay
sbb ResultY #2 ;distance between lines is smaller
jmp ResultOfTheNextPlayer
FinishResultDisplay
mva ResultY LineYdraw
;jmp TL4x4_bottom ; just go
.endp
.proc TL4x4_bottom
;bottom of the frame
mwa #LineBottom LineAddress4x4
mwa #((ScreenWidth/2)-(8*4)) LineXdraw
jmp TypeLine4x4 ; jsr:rts
.endp
.proc TL4x4_top
;bottom of the frame
mwa #LineTop LineAddress4x4
mwa #((ScreenWidth/2)-(8*4)) LineXdraw
jmp TypeLine4x4 ; jsr:rts
.endp
.proc TL4x4_empty
;empty frame
mwa #LineEmpty LineAddress4x4
mwa #((ScreenWidth/2)-(8*4)) LineXdraw
jmp TypeLine4x4 ; jsr:rts
.endp
;--------------------------------------------------
.proc GameOverScreen
;--------------------------------------------------
rts
.endp
;-------------------------------------------------
.proc PutTankNameOnScreen
;-------------------------------------------------
.endp
;-------------------------------------------------
.proc DisplayStatus
;-------------------------------------------------
DisplayAngle
ldx TankNr
rts
.endp
;-------------------------------------------------
.endif
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