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shave some bytes
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4am
parent
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2
Makefile
2
Makefile
@ -159,6 +159,8 @@ index: md asmfx asmprelaunch
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# precompute indexed files for slideshows
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#
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[ -f build/SLIDESHOW.IDX ] || ((for f in res/SS/*; do \
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[ $$(echo "$$(basename $$f)" | cut -c-3) = "ACT" ] && \
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bin/buildaction.sh build/DISPLAY.CONF < "$$f" > "build/SS/$$(basename $$f)" || \
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bin/buildokvs.sh < "$$f" > "build/SS/$$(basename $$f)"; \
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echo "$$(basename $$f)"; \
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done) | bin/buildindexedfile.sh -p -a build/TOTAL.DATA build/SS > build/SLIDESHOW.IDX)
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31
bin/buildaction.sh
Executable file
31
bin/buildaction.sh
Executable file
@ -0,0 +1,31 @@
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#!/bin/bash
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# make temp file with just the key/value pairs (strip blank lines, comments, eof marker)
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records=$(mktemp)
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awk '!/^$|^#|^\[/' > "$records"
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# make temp assembly source file that represents the binary OKVS data structure
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source=$(mktemp)
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(echo "*=0" # dummy program counter for assembler
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echo "!le16 $(wc -l <"$records"), 0" # OKVS header
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while IFS="=" read -r key value; do
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[ -n "$value" ] && filename="$value" || filename="$key"
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displayname=$(awk -F= '/,'"$filename"'=/ { print $2 }' "$1")
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echo "!byte ${#key}+${#value}+${#displayname}+4" # OKVS record length
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echo "!byte ${#key}" # OKVS key length
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echo "!text \"$key\"" # OKVS key
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echo "!byte ${#value}" # OKVS value length
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echo "!text \"$value\"" # OKVS value
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echo "!byte ${#displayname}"
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echo "!text \"$displayname\""
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done < "$records") > "$source"
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# assemble temp source file into binary OKVS data structure, then output that
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out=$(mktemp)
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acme -o "$out" "$source"
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cat "$out"
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# clean up
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rm "$out"
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rm "$source"
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rm "$records"
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@ -6,8 +6,9 @@
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; YE OLDE GRAND UNIFIED MEMORY MAP
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;
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; LC RAM BANK 1
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; D000..E7FE - persistent data structures (gGlobalPrefsStore, gGamesListStore)
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; E9EE..FFEE - main program code
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; D000..E2F8 - persistent data structures (gGlobalPrefsStore, gGamesListStore)
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; ...unused...
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; EA2A..FFEE - main program code
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; FFEF..FFF9 - API functions and global constants available for main program
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; code, prelaunchers, transition effects, &c.
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; (LoadFileDirect, Wait/UnwaitForVBL, MockingboardStuff, MachineStatus)
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@ -94,91 +94,32 @@ GlueLaunchRTS
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; check if an arbitrary game exists, for some definition of 'exists', while
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; in the middle of a slideshow
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;
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; /!\ This function assumes that gSlideshowStore exists and is populated,
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; which is generally only true during the callback function of a slideshow
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;
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; in: A/Y points to game filename
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; in: A/Y points to a key in gSlideshowStore
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; out: C clear if game exists, and
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; $WINDEX = game index, and
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; A/Y points to game display name + game info bitfield
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; A/Y points to game display name
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; C set if game can't be found by any means
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;------------------------------------------------------------------------------
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FindGameInActionSlideshow
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+ST16 @sskey
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+ST16 @slideshowKey
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jsr FindGame
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bcc GetGameDisplayName
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bcc @GetGameDisplayName
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; if the game was not found, try getting the value of the current record from
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; gSlideshowStore (some games have multiple action screenshots, in which case
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; the key is only the screenshot filename, and the value is the actual game
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; filename)
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jsr okvs_get
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!word gSlideshowStore
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@sskey !word $FDFD ; SMC
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@slideshowKey
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!word $FDFD ; SMC
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jsr FindGame
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bcs GlueLaunchRTS
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; /!\ execution falls through here to GetGameDisplayName
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;------------------------------------------------------------------------------
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; GetGameDisplayName
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; lookup or construct the display name for a specific game
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;
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; in: A/Y contains address of a key in gGamesListStore
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; out: A/Y contains address of game display name + game info bitfield
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; (this might be just the corresponding value in gGamesListStore,
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; or it might be a temporary buffer in main memory that we constructed
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; out of thin air)
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; gValLen possibly clobbered (up to gValLen+MaxInputLength)
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; X preserved
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; C clear
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;------------------------------------------------------------------------------
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GetGameDisplayName
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+ST16 SAVE
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jsr okvs_get_current ; get value for this key
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; (PTR) -> truncated game display name + info bitfield
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; Y = 0
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lda (PTR), y ; A = length of truncated game display name + info bitfield
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lsr ;;cmp #1 ; 1 means there's no title, just info bitfield (1 byte)
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beq +
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@GetGameDisplayName
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+LD16 @slideshowKey
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jsr okvs_get_current
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jsr okvs_get_current_PTR_is_already_set
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+LD16 PTR
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clc
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rts
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+ ; game display name is truncated, we must expand it
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iny ; Y = 1
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lda (PTR), y ; A = game info bitfield
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pha ; save on stack
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dey
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lda (SAVE), y ; A = length of key
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tay
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iny
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sty @len
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sty gValLen
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lda #$24 ; BIT opcode
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sta @or ; first character remains capitalized
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ldy #1
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- lda (SAVE), y
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cmp #$49 ; 'I'
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bne +
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cmp gValLen-1,y
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beq ++ ; preserve 'II' casing
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+ cmp #$2E
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bne @or
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lda #$20 ; convert '.' to ' '
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@or ora #$20 ; SMC (opcode)
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++ sta gValLen, y
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cmp #$20
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bne +
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lda #$24 ; first character after ' ' remains capitalized
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+HIDE_NEXT_2_BYTES
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+ lda #$09 ; OR opcode
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sta @or
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@next iny
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@len=*+1
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cpy #$FD ; SMC
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bne -
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pla
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sta gValLen, y
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+LDADDR gValLen
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clc
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rts
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;------------------------------------------------------------------------------
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@ -395,6 +395,7 @@ okvs_iter_values
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okvs_get_current
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; out: Y = 0
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+ST16 PTR
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okvs_get_current_PTR_is_already_set
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jsr stepptr
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bne incptr
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@ -85,10 +85,11 @@ ParseGamesList
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@gatherValue
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jsr IncAndGetChar
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cmp #$0A ; CR ends the value
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beq @endValue
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sta gVal,x
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inx
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bpl @gatherValue
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bne @gatherValue
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; beq @endValue
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; sta gVal,x
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; inx
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; bpl @gatherValue
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@endValue
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pla ; pop cheat category
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sta gVal,x ; store after game display name
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@ -215,7 +215,7 @@ DHGRActionCallback
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; can't be played due to memory or joystick requirements, so we hide
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; it from slideshows
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bcs DHGRRTS
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+ST16 SAVE ; (SAVE) -> game display name + game info bitfield
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+ST16 SAVE ; (SAVE) -> game display name
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+LD16 WINDEX ; save game index in case user hits RETURN
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+ST16 gGameToLaunch ; while it's visible (we'll launch it)
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@ -245,18 +245,17 @@ DrawGameTitleInActionSlideshow
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sta VTAB
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lda #0 ; solid horizontal bar character
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jsr @resetline
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lda (SAVE),y ; (SAVE) -> game display name, Y = 0, so A = display length + 1
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lda (SAVE),y ; (SAVE) -> game display name, Y = 0, so A = display length
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clc
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adc #$02
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adc #$03
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sta gPathname
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lda #7 ; top-right rounded corner character
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jsr @drawline
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lda #" "
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jsr @resetline
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lda (SAVE),y ; A = display length + 1
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lda (SAVE),y ; A = display length
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tay
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dey
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- lda (SAVE),y
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sta gPathname+1,y
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dey
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@ -147,7 +147,7 @@ HGRActionCallback
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bcs HGRRTS
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; found the game
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+ST16 SAVE ; (SAVE) -> game display name + game info bitfield
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+ST16 SAVE ; (SAVE) -> game display name
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+LD16 WINDEX ; save game index in case user hits RETURN
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+ST16 gGameToLaunch ; while it's visible (we'll launch it)
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@ -124,16 +124,19 @@ DrawUI
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jsr GetGameToLaunch ; get current game, if any
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bcs @doneWithLine2 ; if no game, nothing more to do on UI line 2
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jsr GetGameDisplayName
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; A/Y -> game display name + bitfield of game info
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+ST16 @fname
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jsr okvs_get_current
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iny ; Y = 1
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lda (PTR), y ; A = game info bitfield
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sta gGameToLaunchInfo
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jsr okvs_get
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!word gSearchStore
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@fname !word $FDFD ; SMC
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+ST16 PTR
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ldy #0
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lda (PTR),y ; A = game display name length + 1
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lda (PTR), y
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sta SAVE
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tay
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lda (PTR),y ; A = game info bitfield
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sta gGameToLaunchInfo
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ldy #0
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inc SAVE
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- iny
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@printCursor
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lda #$FD ; SMC
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