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Code Issues Projects Releases Wiki Activity

move more one-time initialization code before WeeGUI, centralize entry point address

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This commit is contained in:
4am 2018-04-18 16:39:59 -04:00
parent 4585344c0f
commit 567bdf7edd
11 changed files with 129 additions and 171 deletions
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1
Makefile
View File

@ -36,6 +36,7 @@ asm: md
dsk: md asm
cp res/"Pitch Dark.master games collection.do.not.edit.2mg" build/"$(DISK)"
cp res/_FileInformation.txt build/
bin/fixFileInformation.sh build/_FileInformation.txt
$(CADIUS) ADDFILE build/"$(DISK)" "/PITCH.DARK/" "build/GRUE.SYSTEM"
$(CADIUS) ADDFILE build/"$(DISK)" "/PITCH.DARK/" "build/ONBEYOND.SYSTEM"
$(CADIUS) ADDFILE build/"$(DISK)" "/PITCH.DARK/" "build/ZINFO.SYSTEM"

4
bin/fixFileInformation.sh Executable file
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@ -0,0 +1,4 @@
#!/bin/sh
addr=`grep kPitchDarkBinaryAddress src/constants.a | cut -d"$" -f2`
sed -i -e "s/kPitchDarkBinaryAddress/$addr/g" "$1"

2
res/_FileInformation.txt
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@ -1,5 +1,5 @@
GRUE.SYSTEM=Type(FF),AuxType(2000),Access(C3)
PITCH.DARK=Type(06),AuxType(3FE3),Access(C3)
PITCH.DARK=Type(06),AuxType(kPitchDarkBinaryAddress),Access(C3)
PITCH.DARK.CONF=Type(04),AuxType(0000),Access(C3)
GAMES.CONF=Type(04),AuxType(0000),Access(C3)
ONBEYOND.SYSTEM=Type(FF),AuxType(2000),Access(C3)

6
src/constants.a
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@ -17,6 +17,8 @@
;~7400...... - program data (approximate)
;
kPitchDarkBinaryAddress = $3F4D
kGameInfoBuffer = $0800 ; used by LoadGameInfo
kProDOSFileBuffer = $1C00 ; 1K buffer for ProDOS MLI calls
kSystemAddress = $2000 ; used by LaunchInterpreter
@ -28,6 +30,10 @@ gKey = $3F01
gValLen = $3F80
gVal = $3F81
WGInit = $4000 ; WeeGUI file load address and initialization function
NODEV = $BF10 ; means 'no device connected'
RAM32 = $BF26 ; S3,D2 /RAM device
DEVCNT = $BF31 ; ProDOS device count
DEVLST = $BF32 ; ProDOS device list
MAGICRTS = $FF58 ; used to set overflow bit
; zero page

18
src/glue.onbeyond.a
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@ -4,7 +4,6 @@
; glue code to load, set up, and launch the On Beyond Z-Machine! interpreter
;
; Public functions
; - ClearInterpreterOptions
; - LaunchInterpreterWithNewGame
; - LaunchInterpreterWithGame
; - LaunchInterpreterWithHints
@ -27,23 +26,6 @@ kOnBeyondAutoScript = $0304
kOnBeyondWarnMissing = $0305
kOnBeyondChecksum = $0306
;------------------------------------------------------------------------------
; ClearInterpreterOptions
; clear options script and make checksum invalid
;
; in: none
; out: A/Y clobbered
; X preserved
; all flags clobbered
;------------------------------------------------------------------------------
ClearInterpreterOptions
ldy #(kOnBeyondChecksum-kOnBeyondOptionsStruct)
lda #0
- sta kOnBeyondOptionsStruct,y
dey
bpl -
rts
;------------------------------------------------------------------------------
; LaunchInterpreterWithGame
; load interpreter and launch it with a game based on global preferences store,

6
src/loader/grue.system.s
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@ -5,6 +5,8 @@
*=$2000
!to "build/GRUE.SYSTEM",plain
!source "src/constants.a"
lda $BF98 ; machine identification byte
and #$30
cmp #$30 ; 128K?
@ -90,7 +92,7 @@ reloc cld
jsr $bf00
!byte $cc
!word cc_parms
jmp $3FE3
jmp kPitchDarkBinaryAddress
c7_parms
c6_parms
@ -106,7 +108,7 @@ c8_parms
ca_parms
!byte 4
!byte $d1
!word $3FE3
!word kPitchDarkBinaryAddress
!word $ffff
!word $34d1

37
src/parse.gamelist.a
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@ -1,37 +0,0 @@
;license:MIT
;(c) 2018 by 4am
;
; Parser for game list file
;
; Public functions
; - LoadGameList
;
;------------------------------------------------------------------------------
; LoadGameList
; load file with master game list
;
; in: current ProDOS prefix is the same as the GAMES.CONF file
; out: gGamesListStore populated
; all registers and flags clobbered
;------------------------------------------------------------------------------
!zone {
LoadGameList
jsr LoadFile ; load prefs file at $2000
!word .gamesListFilename
.handle !word $2000
!word kProDOSFileBuffer
jsr ParseKeyValueText ; parse contents into games list store
!word gGamesListStore
!word .handle
!byte 0
+LDAY SRC
+STAY gGlobalPrefsStore ; save pointer to free space for next store
rts
.gamesListFilename
!byte 10
!raw "GAMES.CONF"
}

34
src/parse.prefs.a
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@ -13,6 +13,7 @@
; set to 1 if prefs have changed. SaveGlobalPreferences won't write to disk if this is 0.
;
; Public constants (all length-prefixed strings)
; - kGlobalPrefsFilename
; - kForce40
; - kForceUpper
; - kScriptToFile
@ -27,6 +28,10 @@ gGlobalPrefsStore
gGlobalPrefsDirty
!byte 0
kGlobalPrefsFilename
!byte 15
!raw "PITCH.DARK.CONF"
kForce40
!byte 14
!raw "FORCE40COLUMNS"
@ -43,29 +48,6 @@ kLastPlayed
!byte 10
!raw "LASTPLAYED"
;------------------------------------------------------------------------------
; LoadGlobalPreferences
; load global options and state (including current game) from file and populate
; global prefs store
;
; in: current ProDOS prefix is the same as the PITCH.DARK.CONF file
; out: all registers and flags clobbered
;------------------------------------------------------------------------------
LoadGlobalPreferences
stz gGlobalPrefsDirty
jsr LoadFile ; load prefs file at $2000
!word .globalPrefsFilename
.handle !word kGlobalPrefsBuffer
!word kProDOSFileBuffer
jsr ParseKeyValueText ; parse contents into global prefs store
!word gGlobalPrefsStore
!word .handle
!byte 16
+LDAY SRC
+STAY gVersionsStore ; save pointer to free space for next store
.exit rts
;------------------------------------------------------------------------------
@ -122,7 +104,7 @@ SaveGlobalPreferences
sta .filelen+1
jsr SaveFile
!word .globalPrefsFilename
!word kGlobalPrefsFilename
!byte 4 ; filetype=TXT
!word 0 ; auxtype=0000
!word kGlobalPrefsBuffer
@ -182,10 +164,6 @@ addString
bne -
rts
.globalPrefsFilename
!byte 15
!raw "PITCH.DARK.CONF"
.equals !byte 1
!raw "="
.lf !byte 1

24
src/pitchdark.a
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@ -13,34 +13,30 @@
!cpu 65c02
!ct "src/lcase.ct"
!to "build/PITCH.DARK",plain
*=$3FE3
!source "src/constants.a"
!source "src/macros.a"
!source "src/WeeGUI_MLI.s"
*=kPitchDarkBinaryAddress
jsr QuitUnless128KAnd65C02; check minimum hardware requirements
jsr DisconnectRAM32 ; disconnect /RAM in S3,D2
jsr ClearInterpreterOptions ; clear options struct at $300
jsr WGInit ; initialize WeeGUI
jsr LoadGameList ; get master list of games
jsr LoadGlobalPreferences ; get global options, including current game
!source "src/pitchdark.init.a"
jsr LoadGameInfo ; get current game description and game-specific options
jsr WGInit ; initialize WeeGUI
ldx #WGEnableMouse ; enable mouse support
jsr WeeGUI
jmp MainScreen
!if * != $4000 {
!serious "WeeGUI library must start at $4000"
!if *!=$4000 {
!serious "WeeGUI library must start at $4000, set kPitchDarkBinaryAddress to ",kPitchDarkBinaryAddress+$4000-*
}
!bin "res/WEEGUI"
!source "src/macros.a"
!source "src/constants.a"
!source "src/WeeGUI_MLI.s"
!source "src/okvs.a"
!source "src/prodos.mli.a"
!source "src/prodos.ramdisk.a"
!source "src/prodos.path.a"
!source "src/parse.common.a"
!source "src/parse.gamelist.a"
!source "src/parse.gameinfo.a"
!source "src/parse.prefs.a"
!source "src/glue.common.a"

97
src/pitchdark.init.a Normal file
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@ -0,0 +1,97 @@
;------------------------------------------------------------------------------
; disconnect ProDOS /RAM disk in S3,D2
; (does not affect other RAM disks like RAMWorks or RAMFactor)
; see ProDOS TechNote #26 Polite Use of Auxiliary Memory
; and ProDOS 8 Technical Reference Manual 5.2.2.2 Disconnecting /RAM
;------------------------------------------------------------------------------
lda RAM32
cmp NODEV
bne +
lda RAM32+1
cmp NODEV+1
beq .noRAMdisk
+ ldy DEVCNT
- lda DEVLST, y
and #$F3
cmp #$B3
beq .foundRAMdisk
dey
bpl -
bmi .noRAMdisk
.foundRAMdisk
lda DEVLST, y
sta saveRAMDiskUnit ; save RAM disk unit number
- lda DEVLST+1, y ; move other devices up in list
sta DEVLST, y
beq + ; device list is zero-terminated
iny
bne - ; always branches
+
lda RAM32
sta saveRAMDiskDriver ; save RAM disk device address
lda RAM32+1
sta saveRAMDiskDriver+1
lda NODEV ; tell ProDOS there's no RAM disk anymore
sta RAM32
lda NODEV+1
sta RAM32+1
dec DEVCNT ; reduce ProDOS device count
.noRAMdisk
bra +
saveRAMDiskUnit
!byte 0
saveRAMDiskDriver
!word 0
+
;------------------------------------------------------------------------------
; clear options script and make checksum invalid
;------------------------------------------------------------------------------
ClearInterpreterOptions
ldy #(kOnBeyondChecksum-kOnBeyondOptionsStruct)
lda #0
- sta kOnBeyondOptionsStruct,y
dey
bpl -
;------------------------------------------------------------------------------
; load file with master game list
;------------------------------------------------------------------------------
jsr LoadFile ; load prefs file at $2000
!word .gamesListFilename
.gamesListHandle
!word $2000
!word kProDOSFileBuffer
jsr ParseKeyValueText ; parse contents into games list store
!word gGamesListStore
!word .gamesListHandle
!byte 0
+LDAY SRC
+STAY gGlobalPrefsStore ; save pointer to free space for next store
bra +
.gamesListFilename
!byte 10
!raw "GAMES.CONF"
+
;------------------------------------------------------------------------------
; load global options and state (including current game) from file and populate
; global prefs store
;------------------------------------------------------------------------------
stz gGlobalPrefsDirty
jsr LoadFile ; load prefs file at $2000
!word kGlobalPrefsFilename
.globalPrefsHandle
!word kGlobalPrefsBuffer
!word kProDOSFileBuffer
jsr ParseKeyValueText ; parse contents into global prefs store
!word gGlobalPrefsStore
!word .globalPrefsHandle
!byte 16
+LDAY SRC
+STAY gVersionsStore ; save pointer to free space for next store

71
src/prodos.ramdisk.a
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@ -1,71 +0,0 @@
;license:MIT
;(c) 2018 by 4am
;
; /RAM routines
; see ProDOS TechNote #26 Polite Use of Auxiliary Memory
; and ProDOS 8 Technical Reference Manual 5.2.2.2 Disconnecting /RAM
;
; Public functions
; - DisconnectRAM32
;
; does not reconnect /RAM on exit, which is rude
;
NODEV = $BF10 ; means 'no device connected'
RAM32 = $BF26 ; S3,D2 /RAM device
DEVCNT = $BF31 ; ProDOS device count
DEVLST = $BF32 ; ProDOS device list
;------------------------------------------------------------------------------
; DisconnectRAM32
; disconnect ProDOS /RAM disk in S3,D2
; (does not affect other RAM disks like RAMWorks or RAMFactor)
;
; in: ProDOS in memory
; out: C clear if /RAM was found and disconnected
; C set if /RAM was not found or could not be disconnected
; all other registers and flags clobbered
;------------------------------------------------------------------------------
!zone {
DisconnectRAM32
lda RAM32 ; search for /RAM and disconnect if found
cmp NODEV
bne +
lda RAM32+1
cmp NODEV+1
beq .noRAMdisk
+ ldy DEVCNT
- lda DEVLST, y
and #$F3
cmp #$B3
beq .foundRAMdisk
dey
bpl -
bmi .noRAMdisk
.foundRAMdisk
lda DEVLST, y
sta saveRAMDiskUnit ; save RAM disk unit number
- lda DEVLST+1, y ; move other devices up in list
sta DEVLST, y
beq + ; device list is zero-terminated
iny
bne - ; always branches
+
lda RAM32
sta saveRAMDiskDriver ; save RAM disk device address
lda RAM32+1
sta saveRAMDiskDriver+1
lda NODEV ; tell ProDOS there's no RAM disk anymore
sta RAM32
lda NODEV+1
sta RAM32+1
dec DEVCNT ; reduce ProDOS device count
clc
rts
.noRAMdisk
sec
rts
saveRAMDiskUnit
!byte 0
saveRAMDiskDriver
!word 0
}