mirror of
https://github.com/a2-4am/4cade.git
synced 2025-02-03 08:33:11 +00:00
games.conf parser works, okvs works, glue.prorwts2 works
This commit is contained in:
4am
parent
323e715cb1
commit
ae064cdee6
2
Makefile
2
Makefile
@ -27,7 +27,7 @@ dsk: md asm
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cp res/_FileInformation.txt build/
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$(CADIUS) ADDFILE build/"$(DISK)" "/${VOLUME}/" "res/PRODOS" >/dev/null
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$(CADIUS) ADDFILE build/"$(DISK)" "/${VOLUME}/" "build/LAUNCHER.SYSTEM" >/dev/null
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$(CADIUS) ADDFILE build/"$(DISK)" "/${VOLUME}/" "res/games.conf" >/dev/null
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$(CADIUS) ADDFILE build/"$(DISK)" "/${VOLUME}/" "res/GAMES.CONF" >/dev/null
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$(CADIUS) ADDFILE build/"$(DISK)" "/${VOLUME}/" "res/COVER" >/dev/null
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$(CADIUS) ADDFILE build/"$(DISK)" "/${VOLUME}/" "res/COVER.A2FC" >/dev/null
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$(CADIUS) CREATEFOLDER build/"$(DISK)" "/${VOLUME}/X/" >/dev/null
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@ -2,3 +2,4 @@ PRODOS=Type(FF),AuxType(0000),Access(C3)
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LAUNCHER.SYSTEM=Type(FF),AuxType(2000),Access(C3)
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COVER=Type(06),AuxType(2000),Access(C3)
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COVER.A2FC=Type(06),AuxType(2000),Access(C3)
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GAMES.CONF=Type(04),AuxType(4000),Access(C3)
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@ -1 +1 @@
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#
# 4cade master game list
#
# Format:
# AB,name=directory
#
# A=1 if game requires joystick, 0 if playable on keyboard
# B=1 if game requires 128K, 0 if playable on 64K
# all other values for A or B -> ignore entire line
#
00,Agent USA=AGENT.USA
11,Airheart=AIRHEART
00,Alcazar=ALCAZAR
00,Alien Downpour=ALIEN.DOWNPOUR
# TODO: Alien Rain volume name and executable filename do not match (one has period, one doesn't)
00,Alien Rain=ALIENRAIN
00,Ankh=ANKH
00,Apple Panic=APPLE.PANIC
00,Aquatron=AQUATRON
10,Arkanoid=ARKANOID
00,Battlezone=BATTLEZONE
10,BC's Quest For Tires=BCS.QUEST
00,Beer Run=BEER.RUN
00,Bellhop=BELLHOP
00,Bill Budge's Trilogy=BUDGETRILOGY
00,Blister Ball=BLISTER.BALL
00,Bolo=BOLO
00,Brainteaser Boulevard=BRAINTEASERBLVD
00,BurgerTime=BURGERTIME
00,Cannonball Blitz=CANNONBALL.BLTZ
00,Canyon Climber=CANYON.CLIMBER
00,Centipede=CENTIPEDE
10,Choplifter=CHOPLIFTER
00,Commando=COMMANDO
00,Conan=CONAN
10,Crisis Mountain=CRISIS.MOUNTAIN
00,Crossfire=CROSSFIRE
01,D-Generation=D.GENERATION
10,David's Midnight Magic=DAVIDS.MAGIC
10,Defender=DEFENDER
00,Dig Dug=DIG.DUG
10,Dino Eggs=DINO.EGGS
10,Donkey Kong=DONKEY.KONG
10,Drelbs=DRELBS
00,Drol=DROL
00,Epoch=EPOCH
00,Falcons=FALCONS
00,Flight Simulator I=FS1
00,Flip Out=FLIP.OUT
10,Formula 1 Racer=FORMULA.1
00,Frogger=FROGGER
10,Galaxian=GALAXIAN
10,The Goonies=GOONIES
00,Gremlins=GREMLINS
10,H.E.R.O.=HERO
00,Hard Hat Mack=HARD.HAT.MACK
00,Head On=HEAD.ON
00,High Rise=HIGH.RISE
00,Hungry Boy=HUNGRYBOY
10,Impossible Mission=IMPOSSIBLE.MISS
00,Joust=JOUST
00,Jungle Hunt=JUNGLE.HUNT
00,Karateka=KARATEKA
00,Lady Tut=LADY.TUT
10,Lost Tomb=LOST.TOMB
10,Mad Bomber=MAD.BOMBER
00,Mario Bros=MARIO.BROS
00,Montezuma's Revenge=MONTEZUMA
00,Moon Patrol=MOON.PATROL
00,Mr. Cool=MR.COOL
10,Mr. Do=MR.DO
00,Mr. Robot=MR.ROBOT
00,Ms. Pacman=MS.PACMAN
00,Nibbler=NIBBLER
00,Night Stalker=NIGHT.STALKER
00,Nightmare Gallery=NIGHTMARE
00,NORAD=NORAD
00,O'Riley's Mine=ORILEYS.MINE
00,Outpost=OUTPOST
00,Pac-Man=PAC.MAN
00,Paperboy=PAPERBOY
00,Pest Patrol=PEST.PATROL
00,Pie-Man=PIEMAN
00,Pit Stop II=PITSTOP.II
10,Pitfall II=PITFALL.II
00,Plasmania=PLASMANIA
00,Pooyan=POOYAN
01,Prince of Persia=PRINCEUNP
00,Puckman=PUCK.MAN
11,Qix=QIX
01,Radwarrior=RADWARRIOR
00,Repton=REPTON
00,Ribbit=RIBBIT
00,Robotron 2084=ROBOTRON.2084
00,Sabotage=SABOTAGE
00,Serpentine=SERPENTINE
10,Shamus=SHAMUS
00,Snack Attack=SNACK.ATTACK
00,Snake Byte=SNAKE.BYTE
00,Sneakers=SNEAKERS
00,Snoggle=SNOGGLE
00,Space Raiders=SPACE.RAIDERS
00,Spider Raid=SPIDER.RAID
01,Spiderbot=SPIDERBOT
00,Spy Hunter=SPY.HUNTER
00,Spy's Demise=SPYS.DEMISE
10,Starblaster=STARBLASTER
10,Stargate=STARGATE
00,Stellar 7=STELLAR.7
00,Succession=SUCCESSION
00,Swashbuckler=SWASHBUCKLER
00,Tag Team Wrestling=TAG.TEAM
00,Tapper=TAPPER
00,Thief=THIEF
00,Thunder Bombs=THUNDERBOMBS
10,Tomahawk=TOMAHAWK
00,Track N Field=TRACK.AND.FIELD
10,Tubeway ][=TUBEWAY
01,Victory Road=VICTORY.ROAD
00,Wavy Navy=WAVY.NAVY
[eof]
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#
# 4cade master game list
#
# Format:
# AB,name=directory
#
# A=1 if game requires joystick, 0 if playable on keyboard
# B=1 if game requires 128K, 0 if playable on 64K
# all other values for A or B -> ignore entire line (like this one!)
#
00,Agent USA=AGENT.USA
11,Airheart=AIRHEART
00,Alcazar=ALCAZAR
00,Alien Downpour=ALIEN.DOWNPOUR
# TODO: Alien Rain volume name and executable filename do not match (one has period, one doesn't)
00,Alien Rain=ALIENRAIN
00,Ankh=ANKH
00,Apple Panic=APPLE.PANIC
00,Aquatron=AQUATRON
10,Arkanoid=ARKANOID
00,Battlezone=BATTLEZONE
10,BC's Quest For Tires=BCS.QUEST
00,Beer Run=BEER.RUN
00,Bellhop=BELLHOP
00,Bill Budge's Trilogy=BUDGETRILOGY
00,Blister Ball=BLISTER.BALL
00,Bolo=BOLO
00,Brainteaser Boulevard=BRAINTEASERBLVD
00,BurgerTime=BURGERTIME
00,Cannonball Blitz=CANNONBALL.BLTZ
00,Canyon Climber=CANYON.CLIMBER
00,Centipede=CENTIPEDE
10,Choplifter=CHOPLIFTER
00,Commando=COMMANDO
00,Conan=CONAN
10,Crisis Mountain=CRISIS.MOUNTAIN
00,Crossfire=CROSSFIRE
01,D-Generation=D.GENERATION
10,David's Midnight Magic=DAVIDS.MAGIC
10,Defender=DEFENDER
00,Dig Dug=DIG.DUG
10,Dino Eggs=DINO.EGGS
10,Donkey Kong=DONKEY.KONG
10,Drelbs=DRELBS
00,Drol=DROL
00,Epoch=EPOCH
00,Falcons=FALCONS
00,Flight Simulator I=FS1
00,Flip Out=FLIP.OUT
10,Formula 1 Racer=FORMULA.1
00,Frogger=FROGGER
10,Galaxian=GALAXIAN
10,The Goonies=GOONIES
00,Gremlins=GREMLINS
10,H.E.R.O.=HERO
00,Hard Hat Mack=HARD.HAT.MACK
00,Head On=HEAD.ON
00,High Rise=HIGH.RISE
00,Hungry Boy=HUNGRYBOY
10,Impossible Mission=IMPOSSIBLE.MISS
00,Joust=JOUST
00,Jungle Hunt=JUNGLE.HUNT
00,Karateka=KARATEKA
00,Lady Tut=LADY.TUT
10,Lost Tomb=LOST.TOMB
10,Mad Bomber=MAD.BOMBER
00,Mario Bros=MARIO.BROS
00,Montezuma's Revenge=MONTEZUMA
00,Moon Patrol=MOON.PATROL
00,Mr. Cool=MR.COOL
10,Mr. Do=MR.DO
00,Mr. Robot=MR.ROBOT
00,Ms. Pacman=MS.PACMAN
00,Nibbler=NIBBLER
00,Night Stalker=NIGHT.STALKER
00,Nightmare Gallery=NIGHTMARE
00,NORAD=NORAD
00,O'Riley's Mine=ORILEYS.MINE
00,Outpost=OUTPOST
00,Pac-Man=PAC.MAN
00,Paperboy=PAPERBOY
00,Pest Patrol=PEST.PATROL
00,Pie-Man=PIEMAN
00,Pit Stop II=PITSTOP.II
10,Pitfall II=PITFALL.II
00,Plasmania=PLASMANIA
00,Pooyan=POOYAN
01,Prince of Persia=PRINCEUNP
00,Puckman=PUCK.MAN
11,Qix=QIX
01,Radwarrior=RADWARRIOR
00,Repton=REPTON
00,Ribbit=RIBBIT
00,Robotron 2084=ROBOTRON.2084
00,Sabotage=SABOTAGE
00,Serpentine=SERPENTINE
10,Shamus=SHAMUS
00,Snack Attack=SNACK.ATTACK
00,Snake Byte=SNAKE.BYTE
00,Sneakers=SNEAKERS
00,Snoggle=SNOGGLE
00,Space Raiders=SPACE.RAIDERS
00,Spider Raid=SPIDER.RAID
01,Spiderbot=SPIDERBOT
00,Spy Hunter=SPY.HUNTER
00,Spy's Demise=SPYS.DEMISE
10,Starblaster=STARBLASTER
10,Stargate=STARGATE
00,Stellar 7=STELLAR.7
00,Succession=SUCCESSION
00,Swashbuckler=SWASHBUCKLER
00,Tag Team Wrestling=TAG.TEAM
00,Tapper=TAPPER
00,Thief=THIEF
00,Thunder Bombs=THUNDERBOMBS
10,Tomahawk=TOMAHAWK
00,Track N Field=TRACK.AND.FIELD
10,Tubeway ][=TUBEWAY
01,Victory Road=VICTORY.ROAD
00,Wavy Navy=WAVY.NAVY
[eof]
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124
src/4cade.a
124
src/4cade.a
@ -5,8 +5,33 @@
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!source "src/constants.a"
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!source "src/macros.a"
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Init
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jsr Has64K ; check for 64K (required)
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bcc @found64K
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bcs @no64K
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jsr DisableAccelerator ; set to 1 MHz
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jsr Has128K ; check for 128K (absence is OK, we just filter out some games)
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ror MachineStatus
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jsr HasJoystick ; check for joystick (absence is OK, we just filter out some games)
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ror MachineStatus
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+READ_ROM_WRITE_RAM1
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ldx #$00 ; relocate rest of program to RAM bank 1 in language card
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@FM lda FirstMover,x
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sta $D000,x
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inx
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bne @FM
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lda @FM+2
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cmp #>LastMover
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bcs +
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inc @FM+2
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inc @FM+5
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bne @FM
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+
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jsr init ; initialize ProRWTS2 (bye bye ProDOS)
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+READ_RAM1_WRITE_RAM1
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jmp Start
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@no64K
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jsr $FB2F
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jsr $FC58
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ldy #@no64Klen
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@ -18,85 +43,53 @@
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@s_no64K !raw "REQUIRES 64K"
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@no64Klen=*-@s_no64K
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@found64K
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jsr DisableAccelerator ; set to 1 MHz
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jsr Has128K ; check for 128K (absence is OK, we just filter out some games)
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ror MachineStatus
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jsr HasJoystick ; check for joystick (absence is OK, we just filter out some games)
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ror MachineStatus
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lda LCBANK1WRITE ; read ROM / write LC bank 1
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lda LCBANK1WRITE
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ldx #$00
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FM lda FirstMover,x
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sta $D000,x
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inx
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bne FM
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; inc FM+2
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; inc FM+5
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; lda FM+5
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; cmp #>LastMover
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; bcc FM
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jsr init ; initialize ProRWTS2 (bye bye ProDOS)
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lda LCBANK1 ; read/write LC bank 1
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lda LCBANK1
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jmp Start
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; these routines will only be called once, from main memory, before relocating to language card
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!source "src/memcheck.a"
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!source "src/joystick.a"
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!source "src/normfast.a"
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; ProRWTS2 has its own function to relocate itself
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!source "src/prorwts2.a"
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FirstMover
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!pseudopc $D000 {
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!zone
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Start
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lda #$00 ; read first $2000 bytes
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sta sizelo
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lda #$20
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sta sizehi
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lda #0 ; 0 = read into main memory
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sta auxreq
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lda #cmdread ; read (instead of write)
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sta reqcmd
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bit MachineStatus
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bvs @ShowCover128K
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lda #<cover64 ; pointer to length-prefixed filename
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sta namlo
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lda #>cover64
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sta namhi
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jsr hddopendir ; call ProRWTS2
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bvs @Load128
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jsr LoadFile
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!word cover64
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clc
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bcc @Show
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@ShowCover128K
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inc auxreq ; 1 = read into aux memory
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lda #<cover128 ; pointer to length-prefixed filename
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sta namlo
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lda #>cover128
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sta namhi
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jsr hddopendir ; call ProRWTS2
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lda #$20 ; read next $2000 bytes
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sta sizehi
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dec auxreq ; 0 = read into main memory
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jsr hddrdwrpart ; call ProRWTS2
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sta $C000 ; display double hi-res page 1
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@Load128
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jsr LoadDHRFile
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!word cover128
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sta $C000 ; double hi-res mode
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sta $C00D
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sta $C05E
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sta $C001
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@Show
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sta $C057
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sta $C057 ; show graphics page 1 (HGR or DHGR)
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sta $C052
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sta $C054
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sta $C050
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jsr LoadFile
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- !word gamesconf
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jsr ParseGamesList
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!word gGamesListStore
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!word -
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bit $C010
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- lda $C000
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bpl -
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bit $C010
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brk
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gamesconf
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!byte gamesconf_e-gamesconf_b
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gamesconf_b
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!text "GAMES.CONF"
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gamesconf_e
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cover64
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!byte cover64_e-cover64_b
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cover64_b
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@ -107,24 +100,11 @@ cover128
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cover128_b
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!text "COVER.A2FC"
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cover128_e
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; these routines will only be called after relocating to language card
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!source "src/glue.prorwts2.a"
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!source "src/okvs.a"
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!source "src/parse.games.a"
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gGamesListStore
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!word *+2 ; address of first okvs store
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}
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LastMover
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;LoadDHGR
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; sta $C000
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; ldx #$20 ; copy $2000 bytes to auxmem
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; stx @copya+2
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; stx @copyb+2
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; ldy #0
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;@writeToAuxLoop
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; sta $C005
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;@copya lda $FF00, y
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;@copyb sta $FF00, y
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; iny
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; bne @copya
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; sta $C004
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; inc @copya+2
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; inc @copyb+2
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; dex
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; bne @writeToAuxLoop
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@ -3,25 +3,14 @@
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;
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; soft switches
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STOREOFF = $C000 ; write to use following flags:
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STOREOFF = $C000 ; write to use following 4 flags:
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READMAINMEM = $C002 ; write to R main mem
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READAUXMEM = $C003 ; write to R aux mem
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WRITEMAINMEM = $C004 ; write to W main mem
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WRITEAUXMEM = $C005 ; write to W aux mem
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SETMAINZP = $C008 ; write to R/W main mem zero page
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SETAUXZP = $C009 ; write to R/W aux mem zero page
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AUXMEMSTATUS = $C013 ; read high bit only
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AUXZPSTATUS = $C016 ; read high bit only
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;
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SLOT3STATUS = $C017 ; read high bit only
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LCBANK2READ = $C080 ; read once to R RAM bank 2 / no write
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ROMIN = $C081 ; read twice to R ROM / W RAM bank 2
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ROMONLY = $C082 ; read once to R ROM / no write
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;LCBANK2 = $C083 ; read twice to R/W RAM bank 2
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LCBANK1READ = $C088 ; read once to R RAM bank 1 / no write
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LCBANK1WRITE = $C089 ; read twice to R ROM / W RAM bank 1
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LCBANK1 = $C08B ; read twice to R/W RAM bank 1
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; ROM
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MACHINEID = $FBB3
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@ -31,5 +20,13 @@ PTR = $02
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SRC = $04
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DEST = $06
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SAVE = $08
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MachineStatus =$FF ; bit 7 = 1 if machine has joystick
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MachineStatus =$F0 ; bit 7 = 1 if machine has joystick
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; bit 6 = 1 if machine has 128K
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; $FE ; used by ParseGamesList
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; $FF ; used by ParseGamesList
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; main memory
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gKeyLen = $1F00 ; used by ParseGamesList
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gKey = $1F01
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gValLen = $1F80
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gVal = $1F81
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63
src/glue.prorwts2.a
Normal file
63
src/glue.prorwts2.a
Normal file
@ -0,0 +1,63 @@
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;license:MIT
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;(c) 2017-8 by 4am
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;
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; ProRWTS2 glue functions
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;
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; Public functions
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; - LoadFile
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;
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;------------------------------------------------------------------------------
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; LoadFile
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; load a file into memory all at once, using ProRWTS2
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; uses file's load address
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;
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; in: stack contains 2 bytes of parameters:
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; +1 address of filename
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; out: all flags clobbered
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; all registers clobbered
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; stack set to next instruction after parameters
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;------------------------------------------------------------------------------
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LoadFile
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+PARAMS_ON_STACK 2
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+LDPARAM 1
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+STAY namlo ; set filename
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lda #$FF ; read entire file (ProRWTS2 will figure out exact size)
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sta sizelo
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sta sizehi
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lda #0 ; 0 = read into main memory
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sta auxreq
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lda #cmdread ; read (instead of write)
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sta reqcmd
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jmp hddopendir ; exit via ProRWTS2
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;------------------------------------------------------------------------------
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; LoadDHRFile
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; load .A2FC file (uncompressed double hi-res graphics) into memory
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; all at once, using ProRWTS2
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; first $2000 bytes of file are loaded into auxiliary memory $2000..$3FFF
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; second $2000 bytes of file are loaded into main memory $2000..$3FFF
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;
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; in: stack contains 2 bytes of parameters:
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; +1 address of filename
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; out: all flags clobbered
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; all registers clobbered
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; stack set to next instruction after parameters
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;------------------------------------------------------------------------------
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LoadDHRFile
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+PARAMS_ON_STACK 2
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+LDPARAM 1
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+STAY namlo ; set filename
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lda #$00 ; read first $2000 bytes
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sta sizelo
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lda #$20
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sta sizehi
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lda #1 ; 1 = read into aux memory
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sta auxreq
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lda #cmdread ; read (instead of write)
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sta reqcmd
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||||
jsr hddopendir ; call ProRWTS2
|
||||
lda #$20 ; read next $2000 bytes
|
||||
sta sizehi
|
||||
dec auxreq ; 0 = read into main memory
|
||||
jmp hddrdwrpart ; call ProRWTS2
|
||||
15
src/macros.a
15
src/macros.a
@ -66,3 +66,18 @@
|
||||
!macro HIDE_NEXT_2_BYTES {
|
||||
!byte $2C
|
||||
}
|
||||
|
||||
; various language card configurations
|
||||
!macro READ_RAM1_WRITE_RAM1 {
|
||||
bit $C08B
|
||||
bit $C08B
|
||||
}
|
||||
|
||||
!macro READ_ROM_WRITE_RAM1 {
|
||||
bit $C089
|
||||
bit $C089
|
||||
}
|
||||
|
||||
!macro READ_ROM_NO_WRITE {
|
||||
bit $C082
|
||||
}
|
||||
|
||||
@ -9,8 +9,7 @@
|
||||
; ROM in memory (not LC RAM bank)
|
||||
;------------------------------------------------------------------------------
|
||||
Has64K
|
||||
lda LCBANK1 ; read/write LC RAM bank 1
|
||||
lda LCBANK1
|
||||
+READ_RAM1_WRITE_RAM1
|
||||
lda #$AA ; test #1 for $D0 page
|
||||
sta $D000
|
||||
eor $D000
|
||||
@ -22,7 +21,7 @@ Has64K
|
||||
clc
|
||||
+HIDE_NEXT_BYTE
|
||||
@no sec
|
||||
sta ROMONLY
|
||||
+READ_ROM_NO_WRITE
|
||||
rts
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
@ -41,7 +40,8 @@ Has64K
|
||||
; https://github.com/jmechner/Prince-of-Persia-Apple-II/blob/master/01%20POP%20Source/Source/BOOT.S#L119
|
||||
;------------------------------------------------------------------------------
|
||||
Has128K
|
||||
sta ROMONLY ; need ROM for machine ID byte
|
||||
+READ_ROM_NO_WRITE
|
||||
sta STOREOFF
|
||||
lda MACHINEID
|
||||
cmp #6
|
||||
bne @no ; earlier than //e -> no 128K
|
||||
|
||||
129
src/parse.games.a
Normal file
129
src/parse.games.a
Normal file
@ -0,0 +1,129 @@
|
||||
;license:MIT
|
||||
;(c) 2018 by 4am
|
||||
;
|
||||
; GAMES.CONF parser
|
||||
;
|
||||
; Public functions:
|
||||
; - ParseGamesList
|
||||
;
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; ParseGamesList
|
||||
; parse buffer with AB,KEY=VALUE lines of text into an okvs
|
||||
; keys and values limited to 127 characters, which should be enough for anyone
|
||||
; '[' character at beginning of line ends the parsing
|
||||
; (see games.conf file for more format information)
|
||||
;
|
||||
; in: stack contains 4 bytes of parameters:
|
||||
; +1 [word] handle to storage space for okvs
|
||||
; +3 [word] handle to buffer containing contents of GAMES.CONF
|
||||
; out: all registers and flags clobbered
|
||||
; $1F00..$1FFF clobbered
|
||||
; $00/$01 clobbered
|
||||
; $02/$03 clobbered
|
||||
; $04/$05 has the address of the next available byte after the okvs
|
||||
; $FE/$FF clobbered
|
||||
;------------------------------------------------------------------------------
|
||||
ParseGamesList
|
||||
+PARAMS_ON_STACK 4
|
||||
|
||||
+LDPARAM 1
|
||||
+STAY @store1
|
||||
+STAY @store2
|
||||
|
||||
+LDPARAM 3
|
||||
+STAY $FE
|
||||
|
||||
ldy #0
|
||||
lda ($FE),y
|
||||
pha
|
||||
iny
|
||||
lda ($FE),y
|
||||
tay
|
||||
pla
|
||||
sec
|
||||
sbc #$01
|
||||
sta $FE
|
||||
bcs +
|
||||
dey
|
||||
+ sty $FF
|
||||
jsr okvs_init ; reset key/value store
|
||||
@store1 !word $FDFD ; SMC
|
||||
|
||||
ldy #$00 ; index into ($FE) pointing to current character
|
||||
@newkey ldx #$00 ; X = index into current key
|
||||
jsr IncAndGetChar ; get first filter character ('1' if game requires joystick)
|
||||
cmp #$0D ; ignore blank line
|
||||
beq @newkey
|
||||
cmp #$5B ; '[' ends the parsing
|
||||
beq .parseKeyValueDone
|
||||
cmp #$30 ; '0' -> no filtering on joystick
|
||||
beq @filterOnMemory
|
||||
cmp #$31 ; not '0' or '1' or '[' or CR -> ignore entire line (e.g. comment)
|
||||
bne @skipLine
|
||||
bit MachineStatus
|
||||
bpl @skipLine ; game requires joystick but we don't have one, so ignore entire line
|
||||
@filterOnMemory
|
||||
jsr IncAndGetChar ; get second filter character ('1' if game requires 128K)
|
||||
cmp #$30 ; '0' -> no filtering on memory
|
||||
beq @swallowComma
|
||||
cmp #$31 ; not '0' or '1' -> ignore entire line
|
||||
bne @skipLine
|
||||
bit MachineStatus
|
||||
bvc @skipLine ; game requires 128K but we only have 64K, so ignore entire line
|
||||
@swallowComma
|
||||
jsr IncAndGetChar
|
||||
cmp #$2C ; ',' delimiter (required)
|
||||
bne @skipLine
|
||||
@gatherKey
|
||||
jsr IncAndGetChar
|
||||
cmp #$3D ; '=' ends the key
|
||||
beq @endKey
|
||||
sta gKey,x
|
||||
inx
|
||||
bpl @gatherKey
|
||||
@endKey stx gKeyLen
|
||||
ldx #$00 ; now X = index into the current value
|
||||
@gatherValue
|
||||
jsr IncAndGetChar
|
||||
cmp #$0D ; CR ends the value
|
||||
beq @endValue
|
||||
sta gVal,x
|
||||
inx
|
||||
bpl @gatherValue
|
||||
@endValue
|
||||
stx gValLen
|
||||
tya
|
||||
pha ; okvs functions clobber everything but we need Y
|
||||
jsr okvs_append
|
||||
@store2 !word $FDFD ; SMC
|
||||
!word gKeyLen
|
||||
!word gValLen
|
||||
!byte 0
|
||||
pla
|
||||
tay
|
||||
clc
|
||||
bcc @newkey ; always branches
|
||||
|
||||
@skipLine ; skip to CR
|
||||
jsr IncAndGetChar
|
||||
cmp #$0D ; CR
|
||||
bne @skipLine
|
||||
beq @newkey ; always branches
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; IncAndGetChar
|
||||
;
|
||||
; in: Y = index into ($FE)
|
||||
; ($FE) -> buffer
|
||||
; out: A contains next byte from buffer
|
||||
; Y incremented
|
||||
; $FF possibly incremented
|
||||
;------------------------------------------------------------------------------
|
||||
IncAndGetChar
|
||||
iny
|
||||
bne +
|
||||
inc $FF
|
||||
+ lda ($FE),y
|
||||
.parseKeyValueDone
|
||||
rts
|
||||
455
src/prodos.mli.a
455
src/prodos.mli.a
@ -1,455 +0,0 @@
|
||||
;license:MIT
|
||||
;(c) 2017-8 by 4am
|
||||
;
|
||||
; ProDOS - file and other MLI routines
|
||||
;
|
||||
; Public functions
|
||||
; - LoadFile
|
||||
; - LoadDHRFile
|
||||
; - LoadSHRFile
|
||||
; - SaveFile
|
||||
; - SetPrefix
|
||||
; - GetFileInfo
|
||||
;
|
||||
|
||||
; MLI command codes
|
||||
CMD_QUIT = $65 ; quit to ProDOS
|
||||
CMD_CREATE = $C0 ; create new file
|
||||
CMD_DESTROY = $C1 ; delete a file
|
||||
CMD_SETFILEINFO= $C3 ; set file info
|
||||
CMD_GETFILEINFO= $C4 ; get file (or volume) info
|
||||
CMD_SETPREFIX = $C6 ; change default pathname prefix
|
||||
CMD_OPEN = $C8 ; open a file
|
||||
CMD_READ = $CA ; read an open file
|
||||
CMD_WRITE = $CB ; write to an open file
|
||||
CMD_CLOSE = $CC ; close an open file
|
||||
|
||||
; MLI parameter counts
|
||||
PC_QUIT = $04
|
||||
PC_CREATE = $07
|
||||
PC_DESTROY = $01
|
||||
PC_SETFILEINFO = $07
|
||||
PC_GETFILEINFO = $0A
|
||||
PC_SETPREFIX = $01
|
||||
PC_OPEN = $03
|
||||
PC_READ = $04
|
||||
PC_WRITE = $04
|
||||
PC_CLOSE = $01
|
||||
|
||||
; ROM addresses
|
||||
PRODOSMLI = $BF00 ; [callable] MLI entry point
|
||||
MACHID = $BF98 ; machine identification byte
|
||||
|
||||
kAccessBits = $C3 ; full access (used in SaveFile)
|
||||
|
||||
;-------------------------------
|
||||
; LoadFile
|
||||
; load a file into memory all at once, using ProDOS MLI calls
|
||||
;
|
||||
; in: stack contains 6 bytes of parameters:
|
||||
; +1 address of pathname
|
||||
; +3 address of data buffer (to receive file contents)
|
||||
; +5 address of ProDOS file buffer
|
||||
; out: if C set, load failed and A contains error code
|
||||
; from open or read
|
||||
; if C clear, load succeeded and ($02) contains
|
||||
; data loaded from file
|
||||
; all other flags clobbered
|
||||
; all registers clobbered
|
||||
; stack set to next instruction after parameters
|
||||
;-------------------------------
|
||||
LoadFile
|
||||
+PARAMS_ON_STACK 6
|
||||
|
||||
+LDPARAM 1
|
||||
+STAY mliparam+1 ; pathname
|
||||
+LDPARAM 5
|
||||
+STAY mliparam+3 ; ProDOS file buffer
|
||||
|
||||
jsr _openfile
|
||||
bcs @exit ; C set on error
|
||||
|
||||
pha ; push file reference number
|
||||
+LDPARAM 3
|
||||
+STAY mliparam+2 ; data buffer
|
||||
lda #$FF
|
||||
sta mliparam+4 ; max data length (unlimited, YOLO)
|
||||
sta mliparam+5
|
||||
pla ; pull file reference number
|
||||
jsr _readfile
|
||||
php ; save flags from readfile
|
||||
pha
|
||||
jsr _closefile ; always close whether read worked or not
|
||||
pla
|
||||
plp ; restore flags from readfile
|
||||
; (so caller gets codes from read attempt,
|
||||
; not close)
|
||||
@exit rts
|
||||
|
||||
;-------------------------------
|
||||
; LoadDHRFile
|
||||
; load uncompressed DHR file into memory from .A2FC file
|
||||
; 1. load first half ($2000 bytes)
|
||||
; 2. copy to auxmem
|
||||
; 3. load second half ($2000 bytes)
|
||||
;
|
||||
; always loads into graphics page 1 ($2000/main and $2000/aux)
|
||||
;
|
||||
; in: stack contains 4 bytes of parameters:
|
||||
; +1 address of pathname
|
||||
; +3 address of ProDOS file buffer
|
||||
; out: if C set, load failed
|
||||
; if C clear, load succeeded
|
||||
; all other flags clobbered
|
||||
; all registers clobbered
|
||||
; stack set to next instruction after parameters
|
||||
;-------------------------------
|
||||
LoadDHRFile
|
||||
+PARAMS_ON_STACK 4
|
||||
|
||||
ldy #$04
|
||||
- lda (PARAM),y
|
||||
sta mliparam,y
|
||||
dey
|
||||
bne -
|
||||
|
||||
jsr _openfile
|
||||
bcs @exit ; C set on error
|
||||
sta @saverefnum ; store file refnum
|
||||
|
||||
ldy #$20
|
||||
stz mliparam+2 ; read into $2000 in main mem
|
||||
sty mliparam+3
|
||||
stz mliparam+4 ; read length = $2000 bytes (first half of file)
|
||||
sty mliparam+5
|
||||
|
||||
jsr _readfile
|
||||
bcs @close
|
||||
|
||||
sta $C000
|
||||
ldx #$20 ; copy $2000 bytes to auxmem
|
||||
stx @copya+2
|
||||
stx @copyb+2
|
||||
ldy #0
|
||||
@writeToAuxLoop
|
||||
sta $C005
|
||||
@copya lda $FF00, y
|
||||
@copyb sta $FF00, y
|
||||
iny
|
||||
bne @copya
|
||||
sta $C004
|
||||
inc @copya+2
|
||||
inc @copyb+2
|
||||
dex
|
||||
bne @writeToAuxLoop
|
||||
|
||||
lda @saverefnum
|
||||
jsr _readfile ; read another $2000 bytes into $2000 (stays in main mem)
|
||||
|
||||
@close php ; save flags from readfile
|
||||
@saverefnum=*+1
|
||||
lda #$FD ; file refnum (SMC)
|
||||
jsr _closefile
|
||||
plp ; restore flags from readfile
|
||||
@exit rts
|
||||
|
||||
;-------------------------------
|
||||
; LoadSHRFile
|
||||
; load uncompressed SHR file into memory from .PIC file
|
||||
; 1. load first quarter ($2000 bytes)
|
||||
; 2. copy to graphics memory
|
||||
; 3. load second quarter ($2000 bytes)
|
||||
; 4. copy to graphics memory
|
||||
; 5. load third quarter ($2000 bytes)
|
||||
; 6. copy to graphics memory
|
||||
; 7. load fourth quarter ($2000 bytes)
|
||||
; 8. copy to graphics memory
|
||||
;
|
||||
; in: stack contains 4 bytes of parameters:
|
||||
; +1 address of pathname
|
||||
; +3 address of ProDOS file buffer
|
||||
; out: if C set, load failed
|
||||
; if C clear, load succeeded
|
||||
; all other flags clobbered
|
||||
; all registers clobbered
|
||||
; stack set to next instruction after parameters
|
||||
;-------------------------------
|
||||
LoadSHRFile
|
||||
+PARAMS_ON_STACK 4
|
||||
|
||||
ldy #$04
|
||||
- lda (PARAM),y
|
||||
sta mliparam,y
|
||||
dey
|
||||
bne -
|
||||
|
||||
jsr _openfile
|
||||
bcs @exit ; C set on error
|
||||
sta @saverefnum ; store file refnum
|
||||
|
||||
ldy #$20
|
||||
stz mliparam+2 ; read into $2000 in main mem
|
||||
sty mliparam+3
|
||||
stz mliparam+4 ; read length = $2000 bytes (one quarter of file)
|
||||
sty mliparam+5
|
||||
sty @shrdest+2
|
||||
|
||||
ldx #4 ; four quarters
|
||||
- lda @saverefnum ; file refnum
|
||||
jsr _readfile
|
||||
bcs @close
|
||||
phx
|
||||
|
||||
!cpu 65816
|
||||
xce
|
||||
rep #$30
|
||||
!rl
|
||||
!al
|
||||
lda #$1FFF
|
||||
tax
|
||||
inx
|
||||
@shrdest ldy #$FD00 ; SMC
|
||||
phb
|
||||
mvn 0,$E1
|
||||
plb
|
||||
sty @shrdest+1
|
||||
!as
|
||||
!rs
|
||||
sec
|
||||
xce
|
||||
!cpu 65C02
|
||||
|
||||
plx
|
||||
dex
|
||||
bne -
|
||||
|
||||
@close php ; save flags from readfile
|
||||
@saverefnum=*+1
|
||||
lda #$FD ; file refnum (SMC)
|
||||
jsr _closefile
|
||||
plp ; restore flags from readfile
|
||||
@exit rts
|
||||
|
||||
;-------------------------------
|
||||
; SaveFile
|
||||
; save a file to disk all at once, using ProDOS MLI calls
|
||||
;
|
||||
; in: stack contains 11 ($0B) bytes of parameters:
|
||||
; +1 address of pathname
|
||||
; +3 [byte] file type
|
||||
; +4 [word] aux file type
|
||||
; +6 address of data buffer
|
||||
; +8 [word] length of data buffer
|
||||
; +A address of ProDOS file buffer
|
||||
; out: if C set, save failed
|
||||
; if C clear, save succeeded
|
||||
; all other flags clobbered
|
||||
; all registers clobbered
|
||||
; stack set to next instruction after parameters
|
||||
;-------------------------------
|
||||
SaveFile
|
||||
+PARAMS_ON_STACK $0B
|
||||
+LDPARAM 1
|
||||
+STAY mliparam+1 ; pathname
|
||||
lda #CMD_DESTROY ; MLI destroy command
|
||||
ldy #PC_DESTROY ; number of parameters for 'destroy' command
|
||||
jsr mli ; don't care if this fails
|
||||
|
||||
ldy #$03
|
||||
lda (PARAM),y ; file type
|
||||
sta mliparam+4
|
||||
+LDPARAM 4
|
||||
+STAY mliparam+5 ; aux file type
|
||||
lda #kAccessBits
|
||||
sta mliparam+3 ; access bits (full access)
|
||||
ldy #1
|
||||
sty mliparam+7 ; storage type (file)
|
||||
dey
|
||||
sty mliparam+8 ; creation date (current)
|
||||
sty mliparam+9
|
||||
sty mliparam+10 ; creation time (current)
|
||||
sty mliparam+11
|
||||
lda #CMD_CREATE ; MLI create command
|
||||
ldy #PC_CREATE ; number of parameters for 'create' command
|
||||
jsr mli
|
||||
bcs @exit
|
||||
|
||||
+LDPARAM 10
|
||||
+STAY mliparam+3 ; PrODOS file buffer
|
||||
jsr _openfile
|
||||
bcs @exit
|
||||
|
||||
sta mliparam+1 ; store file reference number
|
||||
+LDPARAM 6
|
||||
+STAY mliparam+2 ; data buffer
|
||||
+LDPARAM 8
|
||||
+STAY mliparam+4 ; data length
|
||||
lda #CMD_WRITE ; MLI write command
|
||||
ldy #PC_WRITE ; number of parameters for 'write' command
|
||||
jsr mli
|
||||
php ; save flags from write command
|
||||
jsr _closefile ; always close whether write worked or not
|
||||
plp ; restore flags from write
|
||||
; (so caller gets codes from write attempt,
|
||||
; not close)
|
||||
@exit rts
|
||||
|
||||
;-------------------------------
|
||||
; SetAuxFileType
|
||||
; set auxiliary file information only
|
||||
; access bits and file-type are hard-coded
|
||||
; intended for updating save-games only
|
||||
;
|
||||
; in: stack contains 4 bytes of parameters:
|
||||
; +1 address of pathname
|
||||
; +3 auxiliary type to set
|
||||
; out: if C set, MLI call failed and A contains error code
|
||||
; from set
|
||||
; if C clear, MLI call succeeded
|
||||
; all other flags clobbered
|
||||
; all registers clobbered
|
||||
; stack set to next instruction after parameters
|
||||
;-------------------------------
|
||||
SetAuxFileType
|
||||
+PARAMS_ON_STACK 4
|
||||
+LDPARAM 1
|
||||
+STAY mliparam+1 ; pathname
|
||||
+LDPARAM 3
|
||||
+STAY mliparam+5 ; aux type
|
||||
lda #%11000011
|
||||
sta mliparam+3 ; access bits
|
||||
lda #4
|
||||
sta mliparam+4 ; file type
|
||||
lda #0
|
||||
sta extra+0 ; date
|
||||
sta extra+1 ; date
|
||||
sta extra+2 ; time
|
||||
sta extra+3 ; time
|
||||
lda #CMD_SETFILEINFO ; MLI command
|
||||
ldy #PC_SETFILEINFO ; number of parameters for 'setfileinfo' command
|
||||
bra mli
|
||||
|
||||
;-------------------------------
|
||||
; SetPrefix
|
||||
; set current directory
|
||||
;
|
||||
; in: stack contains 2 bytes of parameters:
|
||||
; +1 address of pathname
|
||||
; out: if C set, call failed and A contains error code
|
||||
; if C clear, call succeeded
|
||||
; all other flags clobbered
|
||||
; all registers clobbered
|
||||
; stack set to next instruction after parameters
|
||||
;-------------------------------
|
||||
SetPrefix
|
||||
+PARAMS_ON_STACK 2
|
||||
+LDPARAM 1
|
||||
+STAY mliparam+1 ; pathname
|
||||
lda #CMD_SETPREFIX
|
||||
ldy #PC_SETPREFIX
|
||||
bra mli
|
||||
|
||||
;-------------------------------
|
||||
; GetFileInfo
|
||||
; just what it says on the tin
|
||||
;
|
||||
; in: stack contains 2 bytes of parameters:
|
||||
; +1 address of pathname
|
||||
; out: if C set, MLI call failed and A contains error code
|
||||
; from open or read
|
||||
; if C clear, MLI call succeeded and mliparam contains
|
||||
; all the info
|
||||
; all other flags clobbered
|
||||
; all registers clobbered
|
||||
; stack set to next instruction after parameters
|
||||
;-------------------------------
|
||||
GetFileInfo
|
||||
+PARAMS_ON_STACK 2
|
||||
+LDPARAM 1
|
||||
+STAY mliparam+1 ; pathname
|
||||
lda #CMD_GETFILEINFO ; MLI command
|
||||
ldy #PC_GETFILEINFO ; number of parameters for 'getfileinfo' command
|
||||
bra mli
|
||||
|
||||
;-------------------------------
|
||||
; open file via ProDOS MLI
|
||||
;
|
||||
; in: caller has filled @mliparam with address of
|
||||
; pathname, address of data buffer, and maximum
|
||||
; data length
|
||||
; out: if C set, open failed and A contains error code
|
||||
; if C clear, open succeeded and A contains
|
||||
; file reference number
|
||||
;-------------------------------
|
||||
_openfile
|
||||
lda #CMD_OPEN ; MLI command
|
||||
ldy #PC_OPEN ; number of parameters for 'open' command
|
||||
jsr mli
|
||||
bcs @exit
|
||||
lda refnum ; caller should save file reference number
|
||||
; as this memory location may be
|
||||
; overwritten by later MLI calls
|
||||
@exit rts
|
||||
|
||||
;-------------------------------
|
||||
; read an open file via ProDOS MLI
|
||||
;
|
||||
; in: A = file reference number
|
||||
; caller has filled @mliparam with address of
|
||||
; data buffer and maximum data length
|
||||
; out: if C set, read failed and A contains error code
|
||||
; if C clear, read succeeded and A contains the same
|
||||
; file reference number that was passed in
|
||||
;-------------------------------
|
||||
_readfile
|
||||
sta mliparam+1 ; store file reference number
|
||||
lda #CMD_READ ; MLI read command
|
||||
ldy #PC_READ ; number of parameters for 'read' command
|
||||
jsr mli
|
||||
bcs @exit
|
||||
lda mliparam+1 ; if no error, return file reference number
|
||||
@exit rts
|
||||
|
||||
;-------------------------------
|
||||
; close an open file
|
||||
; in: A = file reference number
|
||||
; out: if error, C set and A contains error code
|
||||
; if success, C clear
|
||||
;-------------------------------
|
||||
_closefile
|
||||
sta mliparam+1 ; store file reference number
|
||||
lda #CMD_CLOSE ; MLI close command
|
||||
ldy #PC_CLOSE ; number of parameters for 'close' command
|
||||
bra mli
|
||||
|
||||
QuitToProDOS
|
||||
lda #CMD_QUIT
|
||||
ldy #PC_QUIT
|
||||
; execution falls through here
|
||||
;-------------------------------
|
||||
; low-level MLI wrapper
|
||||
; in: A = MLI command code
|
||||
; Y = number of MLI parameters
|
||||
; caller has filled @mliparam
|
||||
; with all relevant parameters
|
||||
; out: returns immediately after
|
||||
; calling MLI, so whatever
|
||||
; state the MLI routine sets,
|
||||
; the caller will see it
|
||||
; verbatim
|
||||
;-------------------------------
|
||||
mli sta mlicmd ; store command code
|
||||
sty mliparam ; number of parameters
|
||||
jsr PRODOSMLI ; call ProDOS
|
||||
mlicmd !byte 00 ; command number
|
||||
!word mliparam ; address of parameter table
|
||||
rts
|
||||
mliparam !byte $FE,$FE,$FE,$FE
|
||||
filetype !byte $FE ; file type (set by MLI get_file_info)
|
||||
auxtype ; auxiliary file type (2 bytes, set by MLI get_file_info)
|
||||
refnum !byte $FE ; file refnum (set by MLI open)
|
||||
mlilen !byte $FE,$FE ; file length (set by MLI read)
|
||||
blocks !byte $FE,$FE ; blocks used (set by getvolumeinfo/getfileinfo)
|
||||
; member is also used by createfile
|
||||
extra !byte $FE,$FE,$FE,$FE,$FE,$FE,$FE,$FE
|
||||
; used by get_file_info
|
||||
Loading…
x
Reference in New Issue
Block a user