Apple-2-Tools
/
4cade
mirror of https://github.com/a2-4am/4cade.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
4cade/src/4cade.init.a

539 lines
15 KiB
Plaintext
Executable File
Raw Blame History

;license:MIT
;(c) 2018-2023 by 4am
;
; first-run initialization code
;
; This file is included directly and is run from $2000/main as soon as the
; .SYSTEM file is loaded
;
+READ_ROM_NO_WRITE
sta PRIMARYCHARSET
sta CLR80VID
sta STOREOFF
sta READMAINMEM
sta WRITEMAINMEM
jsr ROM_TEXT
jsr ROM_HOME
jsr ROM_NORMAL
jsr ROM_IN0
jsr ROM_PR0
; print text title in same place as graphical title will appear
ldy #9
- lda TOTAL-1,y
ora #$80
sta $04B7-1,y
dey
bne -
ldy #11
- lda REPLAY-1,y
ora #$80
sta $0536-1,y
dey
bne -
; proboothd duplicates the above code and jumps here,
; so if you make any changes before this comment, you
; MUST adjust the final JMP in src/proboothd/proboothd.a
jsr Has64K ; check for 64K (required)
bcc +
ldy #@no64Klen
- lda @s_no64K,y
sta $6B6,y
dey
bpl -
@hang bmi @hang
@s_no64K !scrxor $80,"REQUIRES 64K"
@no64Klen=(*-@s_no64K)-1
+
lda #0
sta zpMachineStatus
sta SETC3ROM
jsr HasVidHDCard ; check for VidHD card (allows super hi-res artwork even on non-IIgs machines)
sta CLRC3ROM
ror zpMachineStatus
lda ROM_MACHINEID
cmp #$06
bne @NotGS
sec
jsr $FE1F ; check for IIgs (allows super hi-res artwork)
bcs @NotGS
sec
+HIDE_NEXT_BYTE
@NotGS clc
ror zpMachineStatus
jsr Has128K ; check for 128K (allows DHGR slideshows and 128K games)
ror zpMachineStatus
jsr HasJoystick ; check for joystick (absence is OK but we filter out some games that require a joystick)
ror zpMachineStatus
; now bit 4 = 1 if VidHD
; bit 5 = 1 if IIgs
; bit 6 = 1 if 128K
; bit 7 = 1 if joystick
; and all other bits are 0 (we'll set bit 3 after copying it to LC RAM)
; accommodate uppercase-only machines (64K ][ and ][+ are supported)
lda ROM_MACHINEID
cmp #$A0
beq + ; Spectrum ED
cmp #$06
beq +
lda #$DF
+HIDE_NEXT_2_BYTES
+ lda #$FF
sta zpCharMask
; IIgs fix for Alternate Display Mode (clear shadow page 2)
lda zpMachineStatus
and #IS_IIGS
beq +
ldx #0
txa
!cpu 65816
- sta $E00800,x ; when Alternate Display Mode is turned off, the "2"s
sta $E00900,x ; displayed on the screen live at $E00800
sta $E00A00,x ; (page "2"/$0800 of IIgs bank $E0)
sta $E00B00,x ; They are initialized by the IIgs boot ROM
inx
bne -
!cpu 6502
; Since we know we are on IIgs, let's also force Mono Mode off
lda NEWVIDEO
and #$DF
sta NEWVIDEO ; Bit 5=1 for B/W double hi-res
lda #$00
sta MONOCOLOR ; bit 7=1 disables color
+
; increase text window width so we can print to the edge of the screen without scrolling
inc $21
; print version or build number in lower right corner
ldx #28
ldy #23
jsr SetCursorPosition
+LDADDR LoadingVersion
jsr LoadingPrint
!ifndef RELEASE {
lda LoadingBuild
ldx LoadingBuild+1
ldy #0
jsr PrintAsDecimal
}
; set up text window so it only covers lower left corner
lda #28
sta $21
lda #19
sta $22
; print machine configuration in lower left corner
ldx #0
ldy #23
jsr SetCursorPosition
; if zpMachineStatus AND IS_IIGS then print 'IIgs'
; else if zpMachineStatus AND HAS_128K then print '128K'
; else print '64K'
lda zpMachineStatus
and #IS_IIGS
beq +
+LDADDR LoadingIIgs
bne @printMem
+ lda zpMachineStatus
and #HAS_128K
beq +
+LDADDR Loading128K
bne @printMem
+
+LDADDR Loading64K
@printMem
jsr LoadingPrint
; if zpMachineStatus AND HAS_JOYSTICK then CR & print 'joystick'
lda zpMachineStatus
and #HAS_JOYSTICK
beq +
+LDADDR LoadingJoystick
jsr LoadingPrint
+
; if zpMachineStatus AND HAS_VIDHD then CR & print 'VidHD'
lda zpMachineStatus
and #HAS_VIDHD
beq +
+LDADDR LoadingVidHD
jsr LoadingPrint
+
@Relocate
; if zpMachineStatus AND IS_IIGS then check for CFFA
; before performing any further disk access
lda zpMachineStatus
and #IS_IIGS
beq +
jsr HackThaCFFA
+
+READ_ROM_WRITE_RAM2
jsr init ; initialize and relocate ProRWTS2 to $D400 in RAM bank 2
; ProRWTS2 disk-data live at $D000-D3FF
ldx #$00 ; relocate program code to top of language card
; since we end at $0000 now, adjust low offset to avoid destroying zpage
@FM lda FirstMover - (RELBASE & $FF),x
sta RELBASE & $FF00,x
inx
bne @FM
inc @FM+2
inc @FM+5
bne @FM
ldy #>(255 + EvenLasterMover - LastMover)
@LM lda COPYSRC,x ; relocate pseudo-ProDOS to RAM bank 2
sta COPYDST,x
inx
bne @LM
inc @LM+2
inc @LM+5
dey
bne @LM
ldy #4
@ELM lda FONTSRC,x
; relocate font data to $E000
sta FONTDST,x
inx
bne @ELM
inc @ELM+2
inc @ELM+5
dey
bne @ELM
+READ_ROM_NO_WRITE
jsr BuildAcceleratorFunction
+READ_RAM2_WRITE_RAM2
+ST16 @accelSrc
dex
-
@accelSrc=*+1
lda $FDFD,x ; copy (de)acceleration functions to RAM bank 2
sta DisableAccelerator,x
dex
bpl -
+READ_ROM_WRITE_RAM2
jsr BuildVBLFunction
+DISABLE_ACCEL ; cycle counting in Mockingboard detection requires 1MHz
+LDADDR FoundMockingboardCallback
jsr GetMockingboardStuff
+READ_RAM2_WRITE_RAM2
stx MockingboardStuff ; save mockingboard slot and type in LC RAM
+READ_ROM_NO_WRITE
txa
beq +
and #HAS_STEREO
beq @mb_mono
+LDADDR LoadingMockingboardStereo
bne @mb_print
@mb_mono
+LDADDR LoadingMockingboardStereo
@mb_print
jsr LoadingPrint
; if Mockingboard AND HAS_SPEECH then print CR & '...and it talks!'
txa
and #HAS_SPEECH
beq +
+LDADDR LoadingMockingboardSpeech
jsr LoadingPrint
+
+READ_RAM2_WRITE_RAM2
jsr EnableAccelerator
jmp OneTimeSetup
; ProRWTS2 has its own function to relocate itself
!source "src/prorwts2.a"
ProRWTSBuffer
; these routines will only be called once, from main memory, before relocating to language card
!source "src/hw.vidhd.a"
!source "src/hw.memcheck.a"
!source "src/hw.joystick.a"
!source "src/hw.mockingboard.a"
SetCursorPosition
stx HTAB
sty VTAB
jmp $FC22
LoadingPrint
+ST16 PTR
ldy #0
lda (PTR),y
sta @max
sty i
- inc i
ldy i
lda (PTR),y
ora #$80
+FORCE_UPPERCASE_IF_REQUIRED
jsr ROM_COUT
ldy i
@max=*+1
cpy #$FD ; SMC
bne -
rts
FoundMockingboardCallback
; in: zp$81 contains slot number in form $Cx
+LDADDR LoadingMockingboard
jsr LoadingPrint
lda $81
and #$0F
ora #$B0
jmp ROM_COUT
TOTAL
!text "T O T A L"
REPLAY
!text "R E P L A Y"
!ifndef RELEASE {
LoadingVersion
!byte 8
!text " build "
LoadingBuild
!word BUILDNUMBER
} else {
LoadingVersion
!byte 12
!text " v5.0"
}
Loading64K
!byte 3
!text "64K"
Loading128K
!byte 4
!text "128K"
LoadingIIgs
!byte 4
!text "IIgs"
LoadingJoystick
!byte 9
!text $8D,"joystick"
LoadingVidHD
!byte 6
!text $8D,"VidHD"
LoadingMockingboard
!byte 22
!text $8D,"Mockingboard in slot "
LoadingMockingboardStereo
!byte 7
!text $8D,"Stereo"
LoadingMockingboardMono
!byte 5
!text $8D,"Mono"
LoadingMockingboardSpeech
!byte 16
!text "...and it talks!"
!ifndef RELEASE {
PrintAsDecimal
jsr $FF4A
lda $FDE2
cmp #$EA
bne +
dec @addr+1 ; fix for Laser
+
-- lda #$00
clv
ldx #$18
- cmp #$05
bcc +
sbc #$85
sec
+ rol $45
rol $46
rol $47
rol
dex
bne -
pha
lda #$FD
pha
@addr lda #$E1
pha
bvs --
rts
}
!source "src/hw.accel.a"
!source "src/hw.vbl.init.a"
!source "src/parse.common.a"
OneTimeSetup
lda zpMachineStatus
sta MachineStatus ; save machine status in LC RAM
and #IS_IIGS
beq @NotGSOS
!cpu 65816
lda $E100BD ; Make sure GS/OS was the boot OS
!cpu 6502
beq @NotGSOS
jsr PrepareGSOS
@NotGSOS
ldy #$0b
CopyDevs
lda $BF13,y
sta promote + $13,y
dey
bpl CopyDevs
lda $BF30
sta promote + ProDOS_unit - $bf00
; save unit in LC bank 2 while overriding !pseudopc
lda hddopendir+1 ; save current directory as 'root'
ldy hddopendir+3
sta gRootDirectory+1
sty gRootDirectory+3
jsr SwitchToBank1
jsr LoadFile ; load preferences file into $8000
!word kRootDirectory
!word kGlobalPrefsFilename
- !word $8000
jsr ParseKeyValueList ; parse contents into OKVS data structure into LC RAM bank
!word gGlobalPrefsStore
!word -
!byte 16
jsr pref_get ; see if cheats are enabled by default
; sets PTR -> cheat pref value as length-prefixed string '1' or '0'
!word kCheat
!word 0
ldy #1
lda (PTR),y ; A = #$B1 or #$B0
and #1 ; A = #$01 or #$00
asl
asl
asl ; A = #$08 or #$00
ora MachineStatus
sta MachineStatus ; set bit 3 of MachineStatus
rol
rol
rol
rol
and #%00000110
tax ; X in (0,2,4,6)
ldy kGameCounts, x
sty GameCount ; store total game count based on based on (has-joystick) X (has-128K)
sty SAVE
ldy kGameCounts+1, x
sty GameCount+1
sty SAVE+1
lsr
tax ; X in (0,1,2,3)
lda kSearchIndexLo, x
sta @searchIndexSrc+1 ; set up search index record based on (has-joystick) X (has-128K)
lda kSearchIndexHi, x
sta @searchIndexSrc+2
lda kSearchCacheLo, x
sta @searchCacheSrc+1 ; set up search cache record based on (has-joystick) X (has-128K)
lda kSearchCacheHi, x
sta @searchCacheSrc+2
ldy #5
@searchIndexSrc
lda $FDFD, y ; SMC
sta kSearchIndexRecord, y
@searchCacheSrc
lda $FDFD, y
sta kSearchCacheRecord, y
dey
bpl @searchIndexSrc
; convert GameCount (word) to VisibleGameCount (3-digit decimal number as ASCII string)
iny ; Y = 0
@outer
lda #0
pha
@inner
lda SAVE
sec
sbc @kPowersOfTen,y
sta SAVE
lda SAVE+1
sbc #0
bcc @digitDone
sta SAVE+1
pla
adc #0
pha
jmp @inner
@digitDone
lda SAVE
adc @kPowersOfTen,y
sta SAVE
pla
ora #$30
sta VisibleGameCount,y
iny
cpy #$03
bcc @outer
bit CLEARKBD
jmp Reenter
@kPowersOfTen
!byte 100
!byte 10
!byte 1
kSearchIndexLo
!byte <kSearchIndexRecord00
!byte <kSearchIndexRecord01
!byte <kSearchIndexRecord10
!byte <kSearchIndexRecord11
kSearchIndexHi
!byte >kSearchIndexRecord00
!byte >kSearchIndexRecord01
!byte >kSearchIndexRecord10
!byte >kSearchIndexRecord11
kSearchCacheLo
!byte <kSearchCacheRecord00
!byte <kSearchCacheRecord01
!byte <kSearchCacheRecord10
!byte <kSearchCacheRecord11
kSearchCacheHi
!byte >kSearchCacheRecord00
!byte >kSearchCacheRecord01
!byte >kSearchCacheRecord10
!byte >kSearchCacheRecord11
kSearchIndexRecord00
!source "src/index/search00.idx.a"
kSearchIndexRecord01
!source "src/index/search01.idx.a"
kSearchIndexRecord10
!source "src/index/search10.idx.a"
kSearchIndexRecord11
!source "src/index/search11.idx.a"
kSearchCacheRecord00
!source "src/index/cache00.idx.a"
kSearchCacheRecord01
!source "src/index/cache01.idx.a"
kSearchCacheRecord10
!source "src/index/cache10.idx.a"
kSearchCacheRecord11
!source "src/index/cache11.idx.a"
kGameCounts
!source "src/index/count00.a"
!source "src/index/count01.a"
!source "src/index/count10.a"
!source "src/index/count11.a"
Reference in New Issue View Git Blame Copy Permalink