riven_hgr: poc
This commit is contained in:
Vince Weaver
parent
583bebb5f0
commit
064fd3bf10
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@ -0,0 +1,65 @@
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include ../../Makefile.inc
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DOS33 = ../../utils/dos33fs-utils/dos33
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DOS33_RAW = ../../utils/dos33fs-utils/dos33_raw
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B2D = ../../utils/bmp2dhr/b2d
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PNG2GR = ../../utils/gr-utils/png2gr
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LZSA = ~/research/lzsa/lzsa/lzsa
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TOKENIZE = ../../utils/asoft_basic-utils/tokenize_asoft
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EMPTY_DISK = ../../empty_disk/empty.dsk
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all: riven_hgr.dsk
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riven_hgr.dsk: HELLO LOADER MAIN
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cp $(EMPTY_DISK) riven_hgr.dsk
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$(DOS33) -y riven_hgr.dsk SAVE A HELLO
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$(DOS33) -y riven_hgr.dsk BSAVE -a 0x1000 LOADER
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$(DOS33) -y riven_hgr.dsk BSAVE -a 0x4000 MAIN
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# $(DOS33) -y riven_hgr.dsk BSAVE -a 0x4000 MARS
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###
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HELLO: hello.bas
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$(TOKENIZE) < hello.bas > HELLO
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####
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LOADER: loader.o
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ld65 -o LOADER loader.o -C ../../linker_scripts/apple2_1000.inc
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loader.o: loader.s hardware_detect.s
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ca65 -o loader.o loader.s -l loader.lst
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####
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MAIN: main.o
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ld65 -o MAIN main.o -C ../../linker_scripts/apple2_4000.inc
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main.o: main.s zp.inc hardware.inc \
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zx02_optim.s \
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hgr_sprite.s hgr_tables.s \
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graphics/maglev1.hgr.zx02
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ca65 -o main.o main.s -l main.lst
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####
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#MARS: mars.o
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# ld65 -o MARS mars.o -C ../../linker_scripts/apple2_4000.inc
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#mars.o: mars.s zp.inc hardware.inc game_over.s \
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# gr_fade.s \
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# mars_keyboard.s draw_tilemap.s \
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# mars_sfx.s longer_sound.s \
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# text_help.s tilemap_lookup.s \
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# maps/mars_map.zx02 graphics/parts.gr.zx02
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# ca65 -o mars.o mars.s -l mars.lst
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####
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clean:
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rm -f *~ *.o *.lst HELLO LOADER MAIN
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# cd graphics && make clean
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# cd maps && make clean
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# cd title && make clean
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# cd sprites && make clean
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@ -0,0 +1,4 @@
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LOAD_TITLE = 0
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LOAD_MAIN = 1
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@ -0,0 +1,36 @@
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include ../../../Makefile.inc
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ZX02 = ~/research/6502_compression/zx02.git/build/zx02 -f
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PNG_TO_HGR = ../../../utils/hgr-utils/png2hgr
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LINKER_SCRIPTS = ../../../linker_scripts
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DOS33 = ../../../utils/dos33fs-utils/dos33
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EMPTY_DISK = ../../../empty_disk/empty.dsk
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TOKENIZE = ../../../utils/asoft_basic-utils/tokenize_asoft
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PNG2GR = ../../../utils/gr-utils/png2gr
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PNG2SPRITES = ../../../utils/gr-utils/png2sprites
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HGR_SPRITE = ../../../utils/hgr-utils/hgr_make_sprite
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all: maglev1.hgr.zx02
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####
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#title_sprites.inc: title_sprites.png
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# $(HGR_SPRITE) -s -l title_sprite title_sprites.png 0 0 167 95 > title_sprites.inc
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# $(HGR_SPRITE) -s -l ball_bg title_sprites.png 0 96 6 104 >> title_sprites.inc
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# $(HGR_SPRITE) -s -l ball0 title_sprites.png 0 105 6 113 >> title_sprites.inc
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# $(HGR_SPRITE) -s -l ball1 title_sprites.png 0 114 6 122 >> title_sprites.inc
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# $(HGR_SPRITE) -s -l ball2 title_sprites.png 0 123 6 131 >> title_sprites.inc
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####
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maglev1.hgr.zx02: maglev1.hgr
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$(ZX02) maglev1.hgr maglev1.hgr.zx02
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maglev1.hgr: maglev1.png
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$(PNG_TO_HGR) maglev1.png > maglev1.hgr
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####
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clean:
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rm -f *~ *.o *.lst *.zx02 *.hgr
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Binary file not shown.
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After Width: | Height: | Size: 8.2 KiB |
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@ -0,0 +1,99 @@
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;; HARDWARE LOCATIONS
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KEYPRESS = $C000
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KEYRESET = $C010
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;; SOFT SWITCHES
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CLR80COL = $C000 ; PAGE1/PAGE2 normal
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SET80COL = $C001 ; PAGE1/PAGE2 switches PAGE1 in Aux instead
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EIGHTYCOLOFF = $C00C
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EIGHTYCOLON = $C00D
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TBCOLOR = $C022 ; IIgs text foreground / background colors
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NEWVIDEO = $C029 ; IIgs graphics modes
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SPEAKER = $C030
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CLOCKCTL = $C034 ; bits 0-3 are IIgs border color
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CYAREG = $C036 ; iigs motor detect and clock speed
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SET_GR = $C050
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SET_TEXT = $C051
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FULLGR = $C052
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TEXTGR = $C053
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PAGE1 = $C054
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PAGE2 = $C055
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LORES = $C056 ; Enable LORES graphics
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HIRES = $C057 ; Enable HIRES graphics
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AN3 = $C05E ; Annunciator 3
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PADDLE_BUTTON0 = $C061
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PADDL0 = $C064
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PTRIG = $C070
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;; BASIC ROUTINES
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NORMAL = $F273
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;; MONITOR ROUTINES
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HLINE = $F819 ;; HLINE Y,$2C at A
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VLINE = $F828 ;; VLINE A,$2D at Y
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CLRSCR = $F832 ;; Clear low-res screen
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CLRTOP = $F836 ;; clear only top of low-res screen
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SETCOL = $F864 ;; COLOR=A
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ROM_TEXT2COPY = $F962 ;; iigs
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TEXT = $FB36
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TABV = $FB5B ;; VTAB to A
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ROM_MACHINEID = $FBB3 ;; iigs
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BELL = $FBDD ;; ring the bell
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BASCALC = $FBC1 ;;
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VTAB = $FC22 ;; VTAB to CV
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HOME = $FC58 ;; Clear the text screen
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WAIT = $FCA8 ;; delay 1/2(26+27A+5A^2) us
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CROUT1 = $FD8B
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SETINV = $FE80 ;; INVERSE
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SETNORM = $FE84 ;; NORMAL
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COUT = $FDED ;; output A to screen
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COUT1 = $FDF0 ;; output A to screen
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COLOR_BLACK = 0
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COLOR_RED = 1
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COLOR_DARKBLUE = 2
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COLOR_PURPLE = 3
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COLOR_DARKGREEN = 4
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COLOR_GREY = 5
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COLOR_MEDIUMBLUE = 6
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COLOR_LIGHTBLUE = 7
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COLOR_BROWN = 8
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COLOR_ORANGE = 9
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COLOR_GREY2 = 10
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COLOR_PINK = 11
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COLOR_LIGHTGREEN = 12
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COLOR_YELLOW = 13
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COLOR_AQUA = 14
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COLOR_WHITE = 15
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COLOR_BOTH_BLACK = $00
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COLOR_BOTH_RED = $11
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COLOR_BOTH_DARKBLUE = $22
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COLOR_BOTH_DARKGREEN = $44
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COLOR_BOTH_GREY = $55
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COLOR_BOTH_MEDIUMBLUE = $66
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COLOR_BOTH_LIGHTBLUE = $77
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COLOR_BOTH_BROWN = $88
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COLOR_BOTH_ORANGE = $99
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COLOR_BOTH_PINK = $BB
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COLOR_BOTH_LIGHTGREEN = $CC
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COLOR_BOTH_YELLOW = $DD
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COLOR_BOTH_AQUA = $EE
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COLOR_BOTH_WHITE = $FF
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@ -0,0 +1,153 @@
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;====================
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; Hardware Detect
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; we mostly care about the model type
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; TODO: for hi-res we might want to detect language card
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; Things we care about
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; + Original Apple II / II+ have horrible keyboard support
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; for platformers (only keydown events). If we detect IIe or
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; later we can do better
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; + Apple IIgs before ROM3 has broken lo-res PAGE2 support.
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; we can enable the software workaround but it's slow
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hardware_detect:
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;=======================
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; Hardware Detect Model
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;=======================
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; Yes Michaelangel007 I will eventually update linux_logo 6502
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jsr detect_appleii_model
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lda APPLEII_MODEL
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cmp #'g'
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bne not_iigs
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is_a_iigs:
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; enable 1MHz mode
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; see hw.accel.a in 4cade
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setspeed:
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lda CYAREG
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and #$7f
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sta CYAREG
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; gr/text page2 handling broken on early IIgs models (before ROM3)
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; this enables the workaround
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jsr ROM_TEXT2COPY ; set alternate display mode on IIgs
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; set background color to black instead of blue
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lda NEWVIDEO
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and #%00011111 ; bit 7 = 0 -> IIgs Apple II-compat video modes
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; bit 6 = 0 -> IIgs 128K memory map same as IIe
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; bit 5 = 0 -> IIgs DHGR is color, not mono
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; bits 0-4 unchanged
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sta NEWVIDEO
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lda #$F0
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sta TBCOLOR ; white text on black background
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lda #$00
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sta CLOCKCTL ; black border
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sta CLOCKCTL ; set twice for VidHD
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not_iigs:
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;===========================
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; Check Apple II model
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;===========================
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; this is mostly for IIc support
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; as it does interrupts differently
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; some of this info from the document:
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; Apple II Family Identification Routines 2.2
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;
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; ' ' = Apple II
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; '+' = Apple II+
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; 'e' = Apple IIe
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; 'c' = Apple IIc
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; 'g' = Apple IIgs
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; 'm' = mac L/C with board
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; 'j' = jplus
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; '3' = Apple III
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detect_appleii_model:
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lda #' '
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ldx $FBB3
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; II is $38
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; J-plus is $C9
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; II+ is $EA (so is III)
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; IIe and newer is $06
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cpx #$38 ; ii
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beq done_apple_detect
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; ii+ is EA FB1E=AD
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; iii is EA FB1E=8A 00
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cpx #$EA
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bne not_ii_iii
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ii_or_iii:
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lda #'+' ; ii+/iii
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ldx $FB1E
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cpx #$AD
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beq done_apple_detect ; ii+
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lda #'3'
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bne done_apple_detect ; bra iii
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not_ii_iii:
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lda #'j' ; jplus
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cpx #$C9
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beq done_apple_detect
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cpx #$06
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bne done_apple_detect
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apple_iie_or_newer:
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ldx $FBC0 ; $EA on a IIe
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; $E0 on a IIe enhanced
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; $00 on a IIc/IIc+
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; $FE1F = $60, IIgs
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beq apple_iic
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lda #'e'
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cpx #$EA
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beq done_apple_detect
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; cpx #$E0
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; beq done_apple_detect
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; should do something if not $E0
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; GS and IIe enhanced are the same, need to check
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sec ; set carry
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jsr $FE1F
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bcs done_apple_detect ;If carry then IIe enhanced
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; get here we're a IIgs?
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lda #'g'
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bne done_apple_detect
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apple_iic:
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lda #'c'
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done_apple_detect:
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sta APPLEII_MODEL
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rts
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@ -0,0 +1,14 @@
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5 HOME
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10 PRINT "LOADING KEEN V0.08"
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20 PRINT " KEEN1 PROOF-OF-CONCEPT DEMAKE"
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30 PRINT:PRINT
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70 PRINT "BASED ON KEEN1 BY ID"
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75 PRINT:PRINT
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80 PRINT "APPLE II PORT: VINCE WEAVER"
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90 PRINT "DISK CODE : QKUMBA"
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95 PRINT
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100 PRINT " ______"
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110 PRINT " A \/\/\/ SOFTWARE PRODUCTION"
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115 PRINT
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120 PRINT " HTTP://WWW.DEATER.NET/WEAVE/VMWPROD"
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130 PRINT CHR$(4);"BRUN LOADER"
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@ -0,0 +1,88 @@
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;===========================================
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; hgr draw sprite (only at 7-bit boundaries)
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;===========================================
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; SPRITE in INL/INH
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; Location at SPRITE_X SPRITE_Y
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; xsize, ysize in first two bytes
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; sprite AT INL/INH
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hgr_draw_sprite:
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ldy #0
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lda (INL),Y ; load xsize
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clc
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adc SPRITE_X
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sta sprite_width_end_smc+1 ; self modify for end of line
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iny ; load ysize
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lda (INL),Y
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sta sprite_ysize_smc+1 ; self modify
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; point smc to sprite
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lda INL ; 16-bit add
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sta sprite_smc1+1
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lda INH
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sta sprite_smc1+2
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ldx #0 ; X is pointer offset
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stx CURRENT_ROW ; actual row
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ldx #2
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hgr_sprite_yloop:
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lda CURRENT_ROW ; row
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clc
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adc SPRITE_Y ; add in cursor_y
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; calc GBASL/GBASH
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tay ; get output ROW into GBASL/H
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lda hposn_low,Y
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sta GBASL
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lda hposn_high,Y
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; eor #$00 draws on page2
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; eor #$60 draws on page1
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;hgr_sprite_page_smc:
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; eor #$00
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clc
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adc DRAW_PAGE
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sta GBASH
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; eor #$60
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; sta INH
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ldy SPRITE_X
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sprite_inner_loop:
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sprite_smc1:
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lda $f000,X ; load sprite data
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sta (GBASL),Y ; store to screen
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inx ; increment sprite offset
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bne not_oflo
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inc sprite_smc1+2
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not_oflo:
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iny ; increment output position
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sprite_width_end_smc:
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cpy #6 ; see if reached end of row
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bne sprite_inner_loop ; if not, loop
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inc CURRENT_ROW ; row
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lda CURRENT_ROW ; row
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sprite_ysize_smc:
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cmp #31 ; see if at end
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bne hgr_sprite_yloop ; if not, loop
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rts
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@ -0,0 +1,146 @@
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;div7_table = $9C00
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;mod7_table = $9D00
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;hposn_high = $9E00
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;hposn_low = $9F00
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;=====================
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; make /7 %7 tables
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;=====================
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; HGR_PAGE should be $20/$40 to select if default for hposn
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; is page1 or page2
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hgr_make_tables:
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ldy #0
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lda #0
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ldx #0
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div7_loop:
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sta div7_table,Y
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inx
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cpx #7
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bne div7_not7
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clc
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adc #1
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ldx #0
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div7_not7:
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iny
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bne div7_loop
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ldy #0
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lda #0
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mod7_loop:
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sta mod7_table,Y
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clc
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adc #1
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cmp #7
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bne mod7_not7
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lda #0
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mod7_not7:
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iny
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bne mod7_loop
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; Hposn table
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lda #0
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hposn_loop:
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ldy #0
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ldx #0
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pha
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jsr hposn ; (Y,X),(A)
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pla
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||||
tax
|
||||
|
||||
lda GBASL
|
||||
sta hposn_low,X
|
||||
|
||||
lda GBASH
|
||||
sta hposn_high,X
|
||||
|
||||
inx
|
||||
txa
|
||||
|
||||
cmp #192
|
||||
bne hposn_loop
|
||||
|
||||
rts
|
||||
|
||||
; left masks
|
||||
; in memory on screen
|
||||
; x111 1111 1111111 start at 0
|
||||
; x111 1110 0111111 start at 1
|
||||
; x111 1100 0011111 start at 2
|
||||
; ...
|
||||
; x100 0000 0000001 start at 6
|
||||
|
||||
left_masks:
|
||||
.byte $FF,$FE,$FC,$F8, $F0,$E0,$C0
|
||||
|
||||
; right masks
|
||||
; in memory on screen
|
||||
; x000 0001 1000000 end at 0
|
||||
; x000 0011 1100000 end at 1
|
||||
; x000 0111 1110000 end at 2
|
||||
; ...
|
||||
; x011 1111 1111110 end at 5
|
||||
; x111 1111 1111111 end at 6
|
||||
right_masks:
|
||||
.byte $81,$83,$87, $8F,$9F,$BF,$FF
|
||||
|
||||
|
||||
|
||||
|
||||
; from the Apple II firmware
|
||||
hposn:
|
||||
; sta HGR_Y ; save Y and X positions
|
||||
; stx HGR_X
|
||||
; sty HGR_X+1
|
||||
|
||||
pha ; Y pos on stack
|
||||
|
||||
and #$C0 ; calc base addr for Y-pos
|
||||
|
||||
sta GBASL
|
||||
lsr
|
||||
lsr
|
||||
ora GBASL
|
||||
sta GBASL
|
||||
pla
|
||||
|
||||
sta GBASH
|
||||
asl
|
||||
asl
|
||||
asl
|
||||
rol GBASH
|
||||
asl
|
||||
rol GBASH
|
||||
asl
|
||||
ror GBASL
|
||||
lda GBASH
|
||||
|
||||
and #$1F
|
||||
|
||||
ora HGR_PAGE ; default is $40 in this game
|
||||
|
||||
sta GBASH
|
||||
|
||||
; txa
|
||||
; cpy #0
|
||||
; beq xpos_lessthan_256
|
||||
; ldy #35
|
||||
; adc #4
|
||||
;label_1:
|
||||
; iny
|
||||
;xpos_lessthan_256:
|
||||
; sbc #7
|
||||
; bcs label_1
|
||||
|
||||
rts
|
||||
|
||||
|
|
@ -0,0 +1,750 @@
|
|||
; Loader for DUKE
|
||||
|
||||
.include "zp.inc"
|
||||
.include "hardware.inc"
|
||||
.include "common_defines.inc"
|
||||
|
||||
nibtbl = $300 ; nothing uses the bottom 128 bytes of $300, do they?
|
||||
bit2tbl = $380 ; bit2tbl: .res 86 ; = nibtbl+128
|
||||
filbuf = $3D6 ; filbuf: .res 4 ; = bit2tbl+86
|
||||
|
||||
; read any file slot 6 version
|
||||
; based on FASTLD6 and RTS copyright (c) Peter Ferrie 2011-2013,2018
|
||||
|
||||
; modified to assembled with ca65 -- vmw
|
||||
; added code to patch it to run from current disk slot -- vmw
|
||||
|
||||
; WHICH_LOAD = $7E ; thing to load
|
||||
; adrlo = $26 ; constant from boot prom
|
||||
; adrhi = $27 ; constant from boot prom
|
||||
; tmpsec = $3c ; constant from boot prom
|
||||
; reqsec = $3d ; constant from boot prom
|
||||
; sizelo = $44
|
||||
; sizehi = $45
|
||||
; secsize = $46
|
||||
; namlo = $f8
|
||||
; namhi = $f9
|
||||
; TEMPY = $fa
|
||||
; step = $fd ; state for stepper motor
|
||||
; tmptrk = $fe ; temporary copy of current track
|
||||
; phase = $ff ; current phase for /seek
|
||||
; OUTL = $fe ; for picking filename
|
||||
; OUTH = $ff
|
||||
|
||||
dirbuf = $c00
|
||||
; note, don't put this immediately below
|
||||
; the value being read as destaddr-4
|
||||
; is temporarily overwritten during read
|
||||
; process
|
||||
|
||||
|
||||
FILENAME = $280
|
||||
|
||||
;===================================================
|
||||
;===================================================
|
||||
; START / INIT
|
||||
;===================================================
|
||||
;===================================================
|
||||
|
||||
loader_start:
|
||||
|
||||
jsr hardware_detect
|
||||
|
||||
lda #<model_string
|
||||
sta OUTL
|
||||
lda #>model_string
|
||||
sta OUTH
|
||||
|
||||
lda APPLEII_MODEL
|
||||
sta model_string+17
|
||||
|
||||
cmp #'g'
|
||||
bne go_print
|
||||
|
||||
lda #'s'
|
||||
sta model_string+18
|
||||
|
||||
go_print:
|
||||
|
||||
ldy #0
|
||||
print_model:
|
||||
lda (OUTL),Y
|
||||
beq print_model_done
|
||||
ora #$80
|
||||
sta $7d0,Y
|
||||
iny
|
||||
jmp print_model
|
||||
print_model_done:
|
||||
|
||||
|
||||
|
||||
|
||||
lda #LOAD_TITLE
|
||||
sta WHICH_LOAD
|
||||
|
||||
jsr init ; unhook DOS, init nibble table
|
||||
|
||||
|
||||
;===================================================
|
||||
;===================================================
|
||||
; SETUP THE FILENAME
|
||||
;===================================================
|
||||
;===================================================
|
||||
|
||||
which_load_loop:
|
||||
|
||||
; update the which-file error message
|
||||
; lda WHICH_LOAD
|
||||
; tay
|
||||
; lda which_disk,Y
|
||||
; sta error_string+19
|
||||
|
||||
|
||||
; lda WHICH_LOAD
|
||||
; cmp #2
|
||||
; bcc skip_engine_load
|
||||
;engine_load:
|
||||
;
|
||||
; lda #<engine_filename
|
||||
; sta OUTL
|
||||
; lda #>engine_filename
|
||||
; sta OUTH
|
||||
|
||||
; jsr opendir_filename
|
||||
|
||||
skip_engine_load:
|
||||
|
||||
lda WHICH_LOAD
|
||||
asl
|
||||
|
||||
tay
|
||||
lda filenames,Y
|
||||
sta OUTL
|
||||
lda filenames+1,Y
|
||||
sta OUTH
|
||||
|
||||
; lda WHICH_LOAD
|
||||
; bne load_other
|
||||
|
||||
load_intro:
|
||||
lda #<$4000
|
||||
sta entry_smc+1
|
||||
lda #>$4000
|
||||
sta entry_smc+2
|
||||
; jmp actual_load
|
||||
|
||||
;load_other:
|
||||
; lda #<$2000
|
||||
; sta entry_smc+1
|
||||
; lda #>$2000
|
||||
; sta entry_smc+2
|
||||
|
||||
actual_load:
|
||||
|
||||
;===================================================
|
||||
;===================================================
|
||||
; SET UP DOS3.3 FILENAME
|
||||
;===================================================
|
||||
;===================================================
|
||||
|
||||
load_file_and_execute:
|
||||
|
||||
jsr opendir_filename
|
||||
|
||||
entry_smc:
|
||||
jsr $1000 ; jump to common entry point
|
||||
|
||||
; hope they updated the WHICH_LOAD value
|
||||
|
||||
jmp which_load_loop
|
||||
|
||||
|
||||
;==============================
|
||||
; setup filename then open/load
|
||||
|
||||
opendir_filename:
|
||||
|
||||
; clear out the filename with $A0 (space)
|
||||
|
||||
lda #<FILENAME
|
||||
sta namlo
|
||||
lda #>FILENAME
|
||||
sta namhi
|
||||
|
||||
ldy #29
|
||||
wipe_filename_loop:
|
||||
lda #$A0
|
||||
sta (namlo),Y
|
||||
dey
|
||||
bpl wipe_filename_loop
|
||||
|
||||
ldy #0
|
||||
copy_filename_loop:
|
||||
lda (OUTL),Y
|
||||
beq copy_filename_done
|
||||
ora #$80
|
||||
sta (namlo),Y
|
||||
iny
|
||||
bne copy_filename_loop
|
||||
|
||||
copy_filename_done:
|
||||
jsr opendir ; open and read entire file into memory
|
||||
|
||||
rts
|
||||
|
||||
filenames:
|
||||
.word main_filename
|
||||
|
||||
main_filename:
|
||||
.byte "MAIN",0
|
||||
|
||||
|
||||
;===================================================
|
||||
;===================================================
|
||||
; INIT (build nibble table)
|
||||
;===================================================
|
||||
;===================================================
|
||||
|
||||
;unhook DOS and build nibble table
|
||||
|
||||
init:
|
||||
; patch to use current drive
|
||||
|
||||
; locate input paramater list
|
||||
jsr $3E3
|
||||
; result is in A:Y
|
||||
sta $FF
|
||||
sty $FE
|
||||
ldy #1
|
||||
lda ($FE),y
|
||||
|
||||
; list+1 should have slot<<8
|
||||
|
||||
|
||||
ora #$80 ; add in $80
|
||||
|
||||
; c0e0
|
||||
sta mlsmc06+1
|
||||
|
||||
; c0e8
|
||||
clc
|
||||
adc #8
|
||||
sta mlsmc02+1
|
||||
sta mlsmc07+1
|
||||
|
||||
; c0e9
|
||||
clc
|
||||
adc #1
|
||||
sta mlsmc01+1
|
||||
|
||||
; c0ec
|
||||
clc
|
||||
adc #3
|
||||
sta mlsmc03+1
|
||||
sta mlsmc04+1
|
||||
sta mlsmc05+1
|
||||
|
||||
jsr $fe93 ; clear COUT
|
||||
jsr $fe89 ; clear KEYIN
|
||||
|
||||
;========================
|
||||
; Create nibble table
|
||||
; Note: the table starts 16 bytes in, and is sparse
|
||||
; so it doesn't entirely look like the DOS33 table at
|
||||
|
||||
ldy #0
|
||||
ldx #3
|
||||
L1: stx $3c ; store tempx (3?)
|
||||
txa ; a=x (a=3)
|
||||
asl ; a*=2 (a=6)
|
||||
bit $3c ; a&tempx, set N/V (a=6)
|
||||
beq L3 ; if 0, skip to L3
|
||||
ora $3c ; a|=tempx (a=7)
|
||||
eor #$ff ; a=~a (a=f8)
|
||||
and #$7e ; a&=0x7e 0111 1110 (a=78)
|
||||
L2: bcs L3 ; this set way back at asl??
|
||||
lsr ; a>>1 a=3c c=0
|
||||
; a=1e c=0
|
||||
; a=0f c=0
|
||||
; a=07 c=1
|
||||
bne L2 ; if a!=0 goto l2
|
||||
tya ; if a==0, a=y
|
||||
sta nibtbl, x ; write out to table
|
||||
iny ; increment y
|
||||
L3: inx ; increment x x=4, a=0f
|
||||
bpl L1 ; loop while high bit not set
|
||||
|
||||
rts
|
||||
|
||||
|
||||
;===================================================
|
||||
;===================================================
|
||||
; file not found
|
||||
;===================================================
|
||||
;===================================================
|
||||
|
||||
file_not_found:
|
||||
|
||||
mlsmc07:lda $c0e8 ; turn off drive motor?
|
||||
|
||||
jsr TEXT
|
||||
jsr HOME
|
||||
|
||||
ldy #0
|
||||
|
||||
lda #<error_string
|
||||
sta OUTL
|
||||
lda #>error_string
|
||||
sta OUTH
|
||||
|
||||
quick_print:
|
||||
lda (OUTL),Y
|
||||
beq quick_print_done
|
||||
jsr COUT1
|
||||
iny
|
||||
; jmp quick_print
|
||||
|
||||
quick_print_done:
|
||||
rts
|
||||
|
||||
; jsr quick_print
|
||||
|
||||
fnf_keypress:
|
||||
lda KEYPRESS
|
||||
bpl fnf_keypress
|
||||
bit KEYRESET
|
||||
|
||||
jmp which_load_loop
|
||||
|
||||
; offset for disk number is 19
|
||||
error_string:
|
||||
.byte "PLEASE INSERT DISK 1, PRESS RETURN",0
|
||||
|
||||
model_string:
|
||||
.byte "DETECTED APPLE II",0,0,0
|
||||
|
||||
|
||||
|
||||
|
||||
;===================================================
|
||||
;===================================================
|
||||
; OPENDIR: actually load the file
|
||||
;===================================================
|
||||
;===================================================
|
||||
|
||||
; turn on drive and read volume table of contents
|
||||
opendir:
|
||||
mlsmc01:lda $c0e9 ; turn slot#6 drive on
|
||||
ldx #0
|
||||
stx adrlo ; zero out adrlo
|
||||
stx secsize ; zero out secsize
|
||||
lda #$11 ; a=$11 (VTOC)
|
||||
jsr readdirsec
|
||||
firstent:
|
||||
|
||||
lda dirbuf+1
|
||||
|
||||
; lock if entry not found
|
||||
entry_not_found:
|
||||
beq file_not_found
|
||||
|
||||
; read directory sector
|
||||
|
||||
ldx dirbuf+2
|
||||
jsr seekread1
|
||||
ldy #7 ;number of directory entries in a sector
|
||||
ldx #$2b ;offset of filename in directory entry
|
||||
nextent:
|
||||
tya
|
||||
pha ; was **phy**
|
||||
txa
|
||||
pha ; was **phx**
|
||||
ldy #$1d
|
||||
|
||||
; match name backwards (slower but smaller)
|
||||
|
||||
L4:
|
||||
lda (namlo), y
|
||||
cmp dirbuf, x
|
||||
beq foundname
|
||||
pla
|
||||
|
||||
; move to next directory in this block, if possible
|
||||
|
||||
clc
|
||||
adc #$23
|
||||
tax
|
||||
pla
|
||||
tay ; was **ply**
|
||||
dey
|
||||
bne nextent
|
||||
beq firstent ; was **bra**
|
||||
|
||||
foundname:
|
||||
dex
|
||||
dey
|
||||
bpl L4
|
||||
pla
|
||||
tay ; was **ply**
|
||||
pla
|
||||
|
||||
; read track/sector list
|
||||
|
||||
lda dirbuf-32, y
|
||||
ldx dirbuf-31, y
|
||||
jsr seekread1
|
||||
|
||||
; read load offset and length info only, initially
|
||||
|
||||
lda #<filbuf
|
||||
sta adrlo
|
||||
lda #4
|
||||
sta secsize
|
||||
lda dirbuf+12
|
||||
ldx dirbuf+13
|
||||
ldy #>filbuf
|
||||
jsr seekread
|
||||
|
||||
; reduce load offset by 4, to account for offset and length
|
||||
|
||||
sec
|
||||
lda filbuf
|
||||
sbc #4
|
||||
sta adrlo
|
||||
|
||||
lda filbuf+1
|
||||
sbc #0
|
||||
sta adrhi
|
||||
|
||||
; save on stack bytes that will be overwritten by extra read
|
||||
|
||||
ldy #3
|
||||
L5:
|
||||
lda (adrlo), y
|
||||
pha
|
||||
dey
|
||||
bpl L5
|
||||
|
||||
lda adrhi
|
||||
pha
|
||||
lda adrlo
|
||||
pha
|
||||
|
||||
; increase load size by 4, to account for offst and length
|
||||
|
||||
lda filbuf+2
|
||||
adc #3
|
||||
sta sizelo
|
||||
sta secsize
|
||||
|
||||
lda filbuf+3
|
||||
adc #0
|
||||
sta sizehi
|
||||
beq readfirst
|
||||
lda #0 ; was **stz secsize**
|
||||
sta secsize
|
||||
|
||||
readfirst:
|
||||
ldy #$0c
|
||||
|
||||
; read a file sector
|
||||
|
||||
readnext:
|
||||
tya
|
||||
pha
|
||||
lda dirbuf, y ; A = track
|
||||
ldx dirbuf+1, y ; x = sector
|
||||
jsr seekread1
|
||||
pla
|
||||
tay
|
||||
|
||||
; if low count is non-zero then we are done
|
||||
; (can happen only for partial last block)
|
||||
|
||||
lda secsize
|
||||
bne readdone
|
||||
|
||||
; continue if more than $100 bytes left
|
||||
|
||||
dec sizehi
|
||||
bne L6
|
||||
|
||||
; set read size to min(length, $100)
|
||||
|
||||
lda sizelo
|
||||
beq readdone
|
||||
sta secsize
|
||||
L6:
|
||||
inc adrhi
|
||||
iny
|
||||
iny
|
||||
bne readnext
|
||||
|
||||
; save current address for after t/s read
|
||||
|
||||
lda adrhi
|
||||
pha
|
||||
lda adrlo
|
||||
pha
|
||||
lda #0
|
||||
sta adrlo ; was **stz adrlo**
|
||||
|
||||
; read next track/sector sector
|
||||
|
||||
lda dirbuf+1
|
||||
ldx dirbuf+2
|
||||
jsr readdirsec
|
||||
clc
|
||||
|
||||
; restore current address
|
||||
readdone:
|
||||
pla
|
||||
sta adrlo ; code originally had this backwards
|
||||
pla
|
||||
sta adrhi
|
||||
bcc readfirst
|
||||
|
||||
mlsmc02:lda $c0e8
|
||||
|
||||
; restore from stack bytes that were overwritten by extra read
|
||||
|
||||
ldx #3
|
||||
ldy #0
|
||||
L7:
|
||||
pla
|
||||
sta (adrlo), y
|
||||
iny
|
||||
dex
|
||||
bpl L7
|
||||
rts
|
||||
|
||||
|
||||
;======================
|
||||
; readdirsec
|
||||
;======================
|
||||
; a = track?
|
||||
; x = sector?
|
||||
readdirsec:
|
||||
ldy #>dirbuf
|
||||
seekread:
|
||||
sty adrhi
|
||||
seekread1:
|
||||
sta phase
|
||||
lda sectbl, x
|
||||
sta reqsec
|
||||
jsr readadr
|
||||
|
||||
; if track does not match, then seek
|
||||
|
||||
cpx phase
|
||||
beq checksec
|
||||
jsr seek
|
||||
|
||||
|
||||
;=========================================
|
||||
; re merge in with qkumba's recent changes
|
||||
; to fix seek problem?
|
||||
;=========================================
|
||||
|
||||
; [re-]read sector
|
||||
|
||||
re_read_addr:
|
||||
jsr readadr
|
||||
checksec:
|
||||
cmp reqsec
|
||||
bne re_read_addr
|
||||
|
||||
;=========================
|
||||
; read sector data
|
||||
;=========================
|
||||
|
||||
readdata:
|
||||
jsr readd5aa
|
||||
eor #$ad ; zero A if match
|
||||
bne re_read_addr
|
||||
|
||||
L12:
|
||||
mlsmc03:ldx $c0ec ; read until valid data (high bit set)
|
||||
bpl L12
|
||||
eor nibtbl-$80, x
|
||||
sta bit2tbl-$aa, y
|
||||
iny
|
||||
bne L12
|
||||
L13:
|
||||
mlsmc04:ldx $c0ec ; read until valid data (high bit set)
|
||||
bpl L13
|
||||
eor nibtbl-$80, x
|
||||
sta (adrlo), y ; the real address
|
||||
iny
|
||||
cpy secsize
|
||||
bne L13
|
||||
ldy #0
|
||||
L14:
|
||||
ldx #$a9
|
||||
L15:
|
||||
inx
|
||||
beq L14
|
||||
lda (adrlo), y
|
||||
lsr bit2tbl-$aa, x
|
||||
rol
|
||||
lsr bit2tbl-$aa, x
|
||||
rol
|
||||
sta (adrlo), y
|
||||
iny
|
||||
cpy secsize
|
||||
bne L15
|
||||
rts
|
||||
|
||||
; no tricks here, just the regular stuff
|
||||
|
||||
;=======================
|
||||
; readaddr -- read the address field
|
||||
;=======================
|
||||
; Find address field, put track in cutrk, sector in tmpsec
|
||||
|
||||
readadr:
|
||||
jsr readd5aa
|
||||
cmp #$96
|
||||
bne readadr
|
||||
ldy #3 ; three?
|
||||
; first read volume/volume
|
||||
; then track/track
|
||||
; then sector/sector?
|
||||
adr_read_two_bytes:
|
||||
tax
|
||||
jsr readnib
|
||||
rol
|
||||
sta tmpsec
|
||||
jsr readnib
|
||||
and tmpsec
|
||||
dey
|
||||
bne adr_read_two_bytes
|
||||
rts
|
||||
|
||||
;========================
|
||||
; make sure we see the $D5 $AA pattern
|
||||
|
||||
readd5aa:
|
||||
L16:
|
||||
jsr readnib
|
||||
L17:
|
||||
cmp #$d5
|
||||
bne L16
|
||||
jsr readnib
|
||||
cmp #$aa
|
||||
bne L17
|
||||
tay ; we need Y=#$AA later
|
||||
|
||||
readnib:
|
||||
mlsmc05:lda $c0ec ; read until valid (high bit set)
|
||||
bpl readnib
|
||||
|
||||
seekret:
|
||||
rts
|
||||
|
||||
;=====================
|
||||
; SEEK
|
||||
;=====================
|
||||
; current track in X?
|
||||
; desired track in phase
|
||||
|
||||
seek:
|
||||
ldy #0
|
||||
sty step
|
||||
asl phase ; multiply by two
|
||||
txa ; current track?
|
||||
asl ; mul by two
|
||||
copy_cur:
|
||||
tax
|
||||
sta tmptrk
|
||||
sec
|
||||
sbc phase
|
||||
beq L22
|
||||
bcs L18
|
||||
eor #$ff
|
||||
inx
|
||||
bcc L19
|
||||
L18:
|
||||
sbc #1
|
||||
dex
|
||||
L19:
|
||||
cmp step
|
||||
bcc L20
|
||||
lda step
|
||||
L20:
|
||||
cmp #8
|
||||
bcs L21
|
||||
tay
|
||||
sec
|
||||
L21:
|
||||
txa
|
||||
pha
|
||||
ldx step1, y
|
||||
L22:
|
||||
php
|
||||
bne L24
|
||||
L23:
|
||||
clc
|
||||
lda tmptrk
|
||||
ldx step2, y
|
||||
L24:
|
||||
stx tmpsec
|
||||
and #3
|
||||
rol
|
||||
tax
|
||||
lsr
|
||||
mlsmc06:lda $c0e0, x
|
||||
L25:
|
||||
ldx #$12
|
||||
L26:
|
||||
dex
|
||||
bpl L26
|
||||
dec tmpsec
|
||||
bne L25
|
||||
bcs L23
|
||||
plp
|
||||
beq seekret
|
||||
pla
|
||||
inc step
|
||||
bne copy_cur
|
||||
|
||||
|
||||
|
||||
step1: .byte $01, $30, $28, $24, $20, $1e, $1d, $1c
|
||||
step2: .byte $70, $2c, $26, $22, $1f, $1e, $1d, $1c
|
||||
|
||||
sectbl: .byte $00,$0d,$0b,$09,$07,$05,$03,$01,$0e,$0c,$0a,$08,$06,$04,$02,$0f
|
||||
|
||||
|
||||
.include "hardware_detect.s"
|
||||
|
||||
; From $BA96 of DOS33
|
||||
;nibtbl: .res 128 ; = *
|
||||
; .byte $00,$01,$98,$99,$02,$03,$9C,$04 ; $BA96 ; 00
|
||||
; .byte $05,$06,$A0,$A1,$A2,$A4,$A4,$A5 ; $BA9E ; 08
|
||||
; .byte $07,$08,$A8,$A9,$AA,$09,$0A,$0B ; $BAA6 ; 10
|
||||
; .byte $0C,$0D,$B0,$B1,$0E,$0F,$10,$11 ; $BAAE ; 18
|
||||
; .byte $12,$13,$B8,$14,$15,$16,$17,$18 ; $BAB6 ; 20
|
||||
; .byte $19,$1A,$C0,$C1,$C2,$C3,$C4,$C5 ; $BABE ; 28
|
||||
; .byte $C6,$C7,$C8,$C9,$CA,$1B,$CC,$1C ; $BAC6 ; 30
|
||||
; .byte $1D,$1E,$D0,$D1,$D2,$1E,$D4,$D5 ; $BACE ; 38
|
||||
; .byte $20,$21,$D8,$22,$23,$24,$25,$26 ; $BAD6 ; 40
|
||||
; .byte $27,$28,$E0,$E1,$E2,$E3,$E4,$29 ; $BADE ; 48
|
||||
; .byte $2A,$2B,$E8,$2C,$2D,$2E,$2F,$30 ; $BAE6 ; 50
|
||||
; .byte $31,$32,$F0,$F1,$33,$34,$35,$36 ; $BAEE ; 58
|
||||
; .byte $37,$38,$F8,$39,$3A,$3B,$3C,$3D ; $BAF6 ; 60
|
||||
; .byte $3E,$3F,$13,$00,$01,$02,$01,$00 ; $BAFE ; 68
|
||||
; .byte $00,$00,$00,$00,$00,$00,$00,$00
|
||||
; .byte $00,$00,$00,$00,$00,$00,$00,$00
|
||||
|
||||
|
||||
;bit2tbl: .res 86 ; = nibtbl+128
|
||||
;filbuf: .res 4 ; = bit2tbl+86
|
||||
|
||||
|
||||
;dataend = filbuf+4
|
||||
|
||||
|
||||
loader_end:
|
||||
|
||||
.assert (<loader_end - <loader_start)>16, error, "loader too big"
|
||||
|
|
@ -0,0 +1,518 @@
|
|||
; Riven graphics
|
||||
|
||||
; by deater (Vince Weaver) <vince@deater.net>
|
||||
|
||||
; Zero Page
|
||||
.include "zp.inc"
|
||||
.include "hardware.inc"
|
||||
.include "common_defines.inc"
|
||||
|
||||
div7_table = $9C00
|
||||
mod7_table = $9D00
|
||||
hposn_high = $9E00
|
||||
hposn_low = $9F00
|
||||
|
||||
riven_hgr:
|
||||
|
||||
;===================
|
||||
; init screen
|
||||
;===================
|
||||
|
||||
jsr TEXT
|
||||
jsr HOME
|
||||
bit KEYRESET
|
||||
|
||||
bit SET_GR
|
||||
bit PAGE1
|
||||
bit HIRES
|
||||
bit FULLGR
|
||||
|
||||
;===================
|
||||
; machine workarounds
|
||||
;===================
|
||||
; mostly IIgs
|
||||
;===================
|
||||
; thanks to 4am who provided this code from Total Replay
|
||||
|
||||
lda ROM_MACHINEID
|
||||
cmp #$06
|
||||
bne not_a_iigs
|
||||
sec
|
||||
jsr $FE1F ; check for IIgs
|
||||
bcs not_a_iigs
|
||||
|
||||
; gr/text page2 handling broken on early IIgs models
|
||||
; this enables the workaround
|
||||
|
||||
jsr ROM_TEXT2COPY ; set alternate display mode on IIgs
|
||||
cli ; enable VBL interrupts
|
||||
|
||||
; also set background color to black instead of blue
|
||||
lda NEWVIDEO
|
||||
and #%00011111 ; bit 7 = 0 -> IIgs Apple II-compat video modes
|
||||
; bit 6 = 0 -> IIgs 128K memory map same as IIe
|
||||
; bit 5 = 0 -> IIgs DHGR is color, not mono
|
||||
; bits 0-4 unchanged
|
||||
sta NEWVIDEO
|
||||
lda #$F0
|
||||
sta TBCOLOR ; white text on black background
|
||||
lda #$00
|
||||
sta CLOCKCTL ; black border
|
||||
sta CLOCKCTL ; set twice for VidHD
|
||||
|
||||
not_a_iigs:
|
||||
|
||||
;===================
|
||||
; Load hires graphics
|
||||
;===================
|
||||
reload_everything:
|
||||
|
||||
lda #<new_title
|
||||
sta ZX0_src
|
||||
lda #>new_title
|
||||
sta ZX0_src+1
|
||||
|
||||
lda #$20 ; decompress to hgr page1
|
||||
|
||||
jsr full_decomp
|
||||
|
||||
;===================================
|
||||
; detect if we have a language card
|
||||
; and load sound into it if possible
|
||||
;===================================
|
||||
|
||||
; lda #0
|
||||
; sta SOUND_STATUS ; clear out, sound enabled
|
||||
|
||||
; jsr detect_language_card
|
||||
; bcs no_language_card
|
||||
|
||||
; update sound status
|
||||
; lda SOUND_STATUS
|
||||
; ora #SOUND_IN_LC
|
||||
; sta SOUND_STATUS
|
||||
|
||||
; load sounds into LC
|
||||
|
||||
; read ram, write ram, use $d000 bank1
|
||||
; bit $C08B
|
||||
; bit $C08B
|
||||
|
||||
; lda #<linking_noise_compressed
|
||||
; sta getsrc_smc+1
|
||||
; lda #>linking_noise_compressed
|
||||
; sta getsrc_smc+2
|
||||
|
||||
; lda #$D0 ; decompress to $D000
|
||||
|
||||
; jsr decompress_lzsa2_fast
|
||||
|
||||
;blah:
|
||||
|
||||
; read rom, nowrite, use $d000 bank1
|
||||
; bit $C08A
|
||||
|
||||
no_language_card:
|
||||
|
||||
;===================================
|
||||
; Setup Mockingboard
|
||||
;===================================
|
||||
; lda #0
|
||||
; sta DONE_PLAYING
|
||||
; sta LOOP
|
||||
|
||||
; detect mockingboard
|
||||
; jsr mockingboard_detect
|
||||
|
||||
; bcc mockingboard_notfound
|
||||
|
||||
mockingboard_found:
|
||||
;; jsr mockingboard_patch ; patch to work in slots other than 4?
|
||||
|
||||
; lda SOUND_STATUS
|
||||
; ora #SOUND_MOCKINGBOARD
|
||||
; sta SOUND_STATUS
|
||||
|
||||
;=======================
|
||||
; Set up 50Hz interrupt
|
||||
;========================
|
||||
|
||||
; jsr mockingboard_init
|
||||
; jsr mockingboard_setup_interrupt
|
||||
|
||||
;============================
|
||||
; Init the Mockingboard
|
||||
;============================
|
||||
|
||||
; jsr reset_ay_both
|
||||
; jsr clear_ay_both
|
||||
|
||||
;==================
|
||||
; init song
|
||||
;==================
|
||||
|
||||
; jsr pt3_init_song
|
||||
|
||||
; jmp done_setup_sound
|
||||
|
||||
|
||||
mockingboard_notfound:
|
||||
|
||||
|
||||
done_setup_sound:
|
||||
|
||||
|
||||
;===================================
|
||||
; init
|
||||
;===================================
|
||||
|
||||
lda #$0
|
||||
sta HGR_PAGE
|
||||
jsr hgr_make_tables
|
||||
|
||||
blah:
|
||||
jmp blah
|
||||
|
||||
.if 0
|
||||
;===================================
|
||||
; Do Intro Sequence
|
||||
;===================================
|
||||
|
||||
; wait a bit at LOAD screen
|
||||
|
||||
lda #100
|
||||
jsr wait_a_bit
|
||||
|
||||
|
||||
;===================================
|
||||
; Draw title message
|
||||
;===================================
|
||||
|
||||
lda #<title_sprite
|
||||
sta INL
|
||||
lda #>title_sprite
|
||||
sta INH
|
||||
|
||||
lda #8
|
||||
sta SPRITE_X
|
||||
|
||||
lda #48
|
||||
sta SPRITE_Y
|
||||
|
||||
lda #$20
|
||||
sta DRAW_PAGE
|
||||
|
||||
jsr hgr_draw_sprite
|
||||
|
||||
;===========================
|
||||
; title loop
|
||||
;==========================
|
||||
|
||||
lda #0
|
||||
sta WHICH_CURSOR
|
||||
sta FRAMEL
|
||||
sta FRAMEH
|
||||
sta MENU_OPTION
|
||||
title_loop:
|
||||
|
||||
lda KEYPRESS
|
||||
bpl done_title_keyboard
|
||||
|
||||
bit KEYRESET
|
||||
|
||||
and #$7f ; clear high bit
|
||||
and #$df ; convert to uppercase
|
||||
|
||||
cmp #13 ; exit if enter pressed
|
||||
beq done_intro
|
||||
|
||||
cmp #'H'
|
||||
bne not_help
|
||||
|
||||
jsr print_help
|
||||
not_help:
|
||||
|
||||
check_up:
|
||||
cmp #'W'
|
||||
beq up_pressed
|
||||
cmp #$0B ; up key
|
||||
bne check_down
|
||||
up_pressed:
|
||||
|
||||
lda MENU_OPTION
|
||||
beq done_title_keyboard
|
||||
|
||||
jsr erase_marker
|
||||
|
||||
dec MENU_OPTION
|
||||
|
||||
jsr draw_marker
|
||||
|
||||
jmp done_title_keyboard
|
||||
|
||||
check_down:
|
||||
cmp #'S'
|
||||
beq down_pressed
|
||||
cmp #$0A ; down key
|
||||
bne done_title_keyboard
|
||||
|
||||
down_pressed:
|
||||
|
||||
lda MENU_OPTION
|
||||
cmp #7
|
||||
beq done_title_keyboard
|
||||
|
||||
jsr erase_marker
|
||||
|
||||
inc MENU_OPTION
|
||||
|
||||
jsr draw_marker
|
||||
|
||||
jmp done_title_keyboard
|
||||
|
||||
|
||||
done_title_keyboard:
|
||||
inc FRAMEL
|
||||
bne noframeoflo
|
||||
inc FRAMEH
|
||||
noframeoflo:
|
||||
lda FRAMEL
|
||||
bne no_adjust_cursor
|
||||
|
||||
lda FRAMEH
|
||||
and #$0f
|
||||
bne no_adjust_cursor
|
||||
|
||||
clc
|
||||
lda WHICH_CURSOR
|
||||
adc #1
|
||||
cmp #3
|
||||
bne no_cursor_oflo
|
||||
lda #0
|
||||
|
||||
no_cursor_oflo:
|
||||
sta WHICH_CURSOR
|
||||
|
||||
jsr draw_marker
|
||||
|
||||
no_adjust_cursor:
|
||||
jmp title_loop
|
||||
|
||||
done_intro:
|
||||
|
||||
; restore to full screen (no text)
|
||||
|
||||
lda MENU_OPTION
|
||||
cmp #0
|
||||
beq new_game ; new game
|
||||
cmp #1
|
||||
beq nothing ; continue game
|
||||
cmp #2
|
||||
beq do_story
|
||||
|
||||
nothing:
|
||||
jmp title_loop
|
||||
|
||||
;=====================
|
||||
;=====================
|
||||
; do story
|
||||
;=====================
|
||||
;=====================
|
||||
do_story:
|
||||
bit FULLGR
|
||||
bit LORES
|
||||
|
||||
lda #LOAD_STORY
|
||||
sta WHICH_LOAD ; assume new game (mars map)
|
||||
|
||||
rts
|
||||
|
||||
;=====================
|
||||
;=====================
|
||||
; new game
|
||||
;=====================
|
||||
;=====================
|
||||
new_game:
|
||||
init_vars:
|
||||
bit FULLGR
|
||||
bit LORES
|
||||
|
||||
|
||||
|
||||
|
||||
lda #0
|
||||
sta ANIMATE_FRAME
|
||||
sta FRAMEL
|
||||
sta FRAMEH
|
||||
sta JOYSTICK_ENABLED
|
||||
sta LEVEL_OVER
|
||||
|
||||
sta SCORE0 ; set score to 0
|
||||
sta SCORE1
|
||||
sta SCORE2
|
||||
|
||||
sta RAYGUNS ; number of laser blasts
|
||||
sta KEYCARDS
|
||||
sta SHIP_PARTS
|
||||
sta POGO
|
||||
|
||||
lda #4 ; number of lives
|
||||
sta KEENS
|
||||
|
||||
|
||||
;============================
|
||||
; set up initial location
|
||||
|
||||
lda #10
|
||||
sta MARS_TILEX
|
||||
lda #34
|
||||
sta MARS_TILEY
|
||||
|
||||
lda #0
|
||||
sta MARS_X
|
||||
sta MARS_Y
|
||||
|
||||
lda #LOAD_MARS
|
||||
sta WHICH_LOAD ; assume new game (mars map)
|
||||
|
||||
rts
|
||||
|
||||
.endif
|
||||
|
||||
;==========================
|
||||
; includes
|
||||
;==========================
|
||||
|
||||
; .include "gr_pageflip.s"
|
||||
; .include "gr_copy.s"
|
||||
; .include "wait_a_bit.s"
|
||||
; .include "gr_offsets.s"
|
||||
.include "zx02_optim.s"
|
||||
|
||||
; .include "text_help.s"
|
||||
; .include "gr_fast_clear.s"
|
||||
; .include "text_print.s"
|
||||
; .include "hgr_sprite.s"
|
||||
.include "hgr_tables.s"
|
||||
|
||||
; .include "lc_detect.s"
|
||||
|
||||
|
||||
|
||||
new_title:
|
||||
.incbin "graphics/maglev1.hgr.zx02"
|
||||
|
||||
.if 0
|
||||
|
||||
.include "graphics/title_sprites.inc"
|
||||
|
||||
|
||||
;====================================
|
||||
; wait for keypress or a few seconds
|
||||
;====================================
|
||||
|
||||
wait_a_bit:
|
||||
|
||||
bit KEYRESET
|
||||
tax
|
||||
|
||||
keyloop:
|
||||
lda #200 ; delay a bit
|
||||
jsr WAIT
|
||||
|
||||
lda KEYPRESS
|
||||
bmi done_keyloop
|
||||
|
||||
; bmi keypress_exit
|
||||
|
||||
dex
|
||||
bne keyloop
|
||||
|
||||
done_keyloop:
|
||||
bit KEYRESET
|
||||
|
||||
cmp #'H'|$80
|
||||
bne really_done_keyloop
|
||||
|
||||
|
||||
lda #$04
|
||||
sta DRAW_PAGE
|
||||
jsr print_help
|
||||
bit SET_GR
|
||||
lda #$20
|
||||
sta DRAW_PAGE
|
||||
bit PAGE1
|
||||
|
||||
ldx #100
|
||||
|
||||
jmp keyloop
|
||||
|
||||
really_done_keyloop:
|
||||
|
||||
|
||||
rts
|
||||
|
||||
;=============================
|
||||
; erase
|
||||
;=============================
|
||||
erase_marker:
|
||||
lda #<ball_bg
|
||||
sta INL
|
||||
lda #>ball_bg
|
||||
sta INH
|
||||
|
||||
lda #12
|
||||
sta SPRITE_X
|
||||
|
||||
lda MENU_OPTION
|
||||
asl
|
||||
asl
|
||||
asl
|
||||
clc
|
||||
adc #55
|
||||
sta SPRITE_Y
|
||||
|
||||
; lda #$20
|
||||
; sta DRAW_PAGE
|
||||
|
||||
jsr hgr_draw_sprite
|
||||
|
||||
rts
|
||||
|
||||
|
||||
|
||||
;=============================
|
||||
; draw
|
||||
;=============================
|
||||
draw_marker:
|
||||
ldx WHICH_CURSOR
|
||||
lda cursor_lookup_l,X
|
||||
sta INL
|
||||
lda cursor_lookup_h,X
|
||||
sta INH
|
||||
|
||||
lda #12
|
||||
sta SPRITE_X
|
||||
|
||||
lda MENU_OPTION
|
||||
asl
|
||||
asl
|
||||
asl
|
||||
clc
|
||||
adc #55
|
||||
sta SPRITE_Y
|
||||
|
||||
; lda #$20
|
||||
; sta DRAW_PAGE
|
||||
|
||||
jsr hgr_draw_sprite
|
||||
|
||||
rts
|
||||
|
||||
cursor_lookup_h:
|
||||
.byte >ball0,>ball1,>ball2
|
||||
cursor_lookup_l:
|
||||
.byte <ball0,<ball1,<ball2
|
||||
|
||||
.endif
|
||||
|
||||
|
|
@ -0,0 +1,249 @@
|
|||
;; Zero Page
|
||||
|
||||
;; ZX02 addresses
|
||||
|
||||
ZP=$00
|
||||
|
||||
offset = ZP+0
|
||||
ZX0_src = ZP+2
|
||||
ZX0_dst = ZP+4
|
||||
bitr = ZP+6
|
||||
pntr = ZP+7
|
||||
|
||||
|
||||
|
||||
;; Zero page monitor routines addresses
|
||||
|
||||
WNDLFT = $20
|
||||
WNDWDTH = $21
|
||||
WNDTOP = $22
|
||||
WNDBTM = $23
|
||||
CH = $24
|
||||
CV = $25
|
||||
GBASL = $26
|
||||
GBASH = $27
|
||||
BASL = $28
|
||||
BASH = $29
|
||||
H2 = $2C
|
||||
X_LEFT = $2C
|
||||
V2 = $2D
|
||||
MASK = $2E
|
||||
COLOR_MASK = $2F
|
||||
COLOR = $30
|
||||
|
||||
SEEDL = $4e
|
||||
SEEDH = $4f
|
||||
XMAX = $50
|
||||
|
||||
|
||||
|
||||
; MIST zero page addresses
|
||||
|
||||
FRAMEL = $60
|
||||
FRAMEH = $61
|
||||
;CURSOR_X = $62
|
||||
;CURSOR_Y = $63
|
||||
XPOS = $64
|
||||
YPOS = $65
|
||||
LOCATION_STRUCT_L = $66
|
||||
LOCATION_STRUCT_H = $67
|
||||
IN_SPECIAL = $68
|
||||
CURSOR_VISIBLE = $69
|
||||
IN_LEFT = $6A
|
||||
IN_RIGHT = $6B
|
||||
BTC_L = $6C
|
||||
BTC_H = $6D
|
||||
|
||||
; pt3 player registers
|
||||
REGISTER_DUMP = $70
|
||||
AY_REGISTERS = $70
|
||||
A_FINE_TONE = $70
|
||||
A_COARSE_TONE = $71
|
||||
B_FINE_TONE = $72
|
||||
B_COARSE_TONE = $73
|
||||
C_FINE_TONE = $74
|
||||
C_COARSE_TONE = $75
|
||||
NOISE = $76
|
||||
ENABLE = $77
|
||||
PT3_MIXER_VAL = $77
|
||||
A_VOLUME = $78
|
||||
B_VOLUME = $79
|
||||
C_VOLUME = $7A
|
||||
ENVELOPE_FINE = $7B
|
||||
ENVELOPE_COARSE = $7C
|
||||
ENVELOPE_SHAPE = $7D
|
||||
COPY_OFFSET = $7E
|
||||
DECODER_STATE = $7F
|
||||
|
||||
PATTERN_L = $7E
|
||||
PATTERN_H = $7F
|
||||
|
||||
|
||||
; note 70-7f also used by disk code
|
||||
|
||||
; note: rest are up at $f0
|
||||
|
||||
; We have to save/restore the following values
|
||||
; when loading/storing from disk
|
||||
|
||||
WHICH_LOAD = $80 ; which file to load
|
||||
|
||||
TILEMAP_X = $81 ; upper left corner of tilemap
|
||||
TILEMAP_Y = $82
|
||||
|
||||
|
||||
KEEN_TILEX = $83
|
||||
KEEN_TILEY = $84
|
||||
KEEN_X = $85 ; location of protagonist
|
||||
KEEN_XL = $86 ; 8.8 fixed point?
|
||||
KEEN_Y = $87
|
||||
KEEN_DIRECTION = $88
|
||||
KEEN_WALKING = $89
|
||||
KEEN_JUMPING = $8A
|
||||
|
||||
LASER_OUT = $8B
|
||||
LASER_TILEX = $8C
|
||||
LASER_TILEY = $8D
|
||||
LASER_DIRECTION = $8E
|
||||
|
||||
RAYGUNS = $8F
|
||||
KEYCARDS = $90
|
||||
INV_RED_KEY = $01
|
||||
INV_BLUE_KEY = $02
|
||||
INV_YELLOW_KEY = $04
|
||||
INV_GREEN_KEY = $08
|
||||
|
||||
KEENS = $91
|
||||
SCORE0 = $92
|
||||
SCORE1 = $93
|
||||
SCORE2 = $94
|
||||
|
||||
SHIP_PARTS = $95
|
||||
PARTS_BOTTLE = $01
|
||||
PARTS_VACUUM = $02
|
||||
PARTS_BATTERY = $04
|
||||
PARTS_JOYSTICK = $08
|
||||
|
||||
KEEN_FALLING = $96
|
||||
KEEN_SHOOTING = $97
|
||||
SOUND_OFFSET = $98
|
||||
SUPPRESS_WALK = $99
|
||||
POGO = $9A
|
||||
LASER_TILE = $9B
|
||||
TILE_TEMP = $9C
|
||||
|
||||
TILEY = $9D
|
||||
TILE_ODD = $9E
|
||||
TILEMAP_OFFSET = $9F
|
||||
|
||||
MARS_X = $A0
|
||||
MARS_Y = $A1
|
||||
MARS_TILEX = $A2
|
||||
MARS_TILEY = $A3
|
||||
INITIAL_SOUND = $A4
|
||||
PLAY_END_SOUND = $A5
|
||||
APPLEII_MODEL = $A6
|
||||
CURRENT_LEVEL = $A7
|
||||
ORACLE_SPOKEN = $A8
|
||||
|
||||
MAX_TILE_X = $A9
|
||||
MAX_TILE_Y = $AA
|
||||
;START_KEEN_TILEX = $AB
|
||||
;START_KEEN_TILEY = $AC
|
||||
;START_TILEMAP_X = $AD
|
||||
;START_TILEMAP_Y = $AE
|
||||
NUM_ENEMIES = $AF
|
||||
HARDTOP_TILES = $B0
|
||||
ALLHARD_TILES = $B1
|
||||
SOUNDL = $B2
|
||||
SOUNDH = $B3
|
||||
START_LINE_L = $B4 ; story
|
||||
START_LINE_H = $B5 ; story
|
||||
SPRITE_Y = $B6 ; title
|
||||
CURRENT_ROW = $B7 ; title
|
||||
SPRITE_X = $B8 ; title
|
||||
HGR_PAGE = $B9 ; title
|
||||
MENU_OPTION = $BA ; title
|
||||
WHICH_CURSOR = $BB ; title
|
||||
|
||||
WHICH_SLOT = $DA
|
||||
JS_BUTTON_STATE = $DB
|
||||
CURRENT_DISK = $DC
|
||||
JOYSTICK_ENABLED= $DD
|
||||
SOUND_STATUS = $DE
|
||||
SOUND_DISABLED = $80
|
||||
SOUND_IN_LC = $01 ; $01 sound effects in language card
|
||||
SOUND_MOCKINGBOARD = $02 ; mockingboard detected
|
||||
|
||||
GRID_PAGE = $DF
|
||||
ANIMATE_FRAME = $E0
|
||||
LEVEL_OVER = $E1
|
||||
GAME_OVER = $FF
|
||||
TOUCHED_ENEMY = $80
|
||||
NEXT_LEVEL = $01
|
||||
LOCATIONS_L = $E2
|
||||
LOCATIONS_H = $E3
|
||||
|
||||
; temp var per-world define
|
||||
LONG_FRAME = $E4 ; nibel
|
||||
CURRENT_DISPLAY = $E4 ; selena
|
||||
LAST_PLAYED = $E4 ; selena
|
||||
|
||||
STAR_CYCLE = $E5
|
||||
|
||||
DISP_PAGE = $ED ; ALL
|
||||
DRAW_PAGE = $EE ; ALL
|
||||
|
||||
; rest of pt3_player
|
||||
MB_DETECTED = $EF
|
||||
WHICH_CHUNK = $F0
|
||||
MB_CHUNK_OFFSET = $F1
|
||||
LOOP = $F4
|
||||
MB_VALUE = $F5
|
||||
MB_ADDR_L = $F6
|
||||
MB_ADDR_H = $F7
|
||||
DONE_PLAYING = $F8
|
||||
DONE_SONG = $F9
|
||||
|
||||
; rest of pt3_player
|
||||
PT3_TEMP = $EF
|
||||
ORNAMENT_L = $F0
|
||||
ORNAMENT_H = $F1
|
||||
SAMPLE_L = $F2
|
||||
SAMPLE_H = $F3
|
||||
|
||||
|
||||
|
||||
MUSIC_PTR = $F7
|
||||
LEADING_ZERO = $F8
|
||||
TEMP_STATUS = $F9
|
||||
TEMP = $FA
|
||||
TEMPY = $FB
|
||||
INL = $FC
|
||||
INH = $FD
|
||||
OUTL = $FE
|
||||
OUTH = $FF
|
||||
|
||||
; read any file slot 6 version
|
||||
; based on FASTLD6 and RTS copyright (c) Peter Ferrie 2011-2013,2018
|
||||
|
||||
; modified to assemble with ca65 -- vmw
|
||||
; added code to patch it to run from current disk slot -- vmw
|
||||
|
||||
|
||||
adrlo = $26 ; constant from boot prom
|
||||
adrhi = $27 ; constant from boot prom
|
||||
tmpsec = $3c ; constant from boot prom
|
||||
reqsec = $3d ; constant from boot prom
|
||||
sizelo = $44
|
||||
sizehi = $45
|
||||
secsize = $46
|
||||
|
||||
ldsizel = $70
|
||||
ldsizeh = $71
|
||||
namlo = $7b
|
||||
namhi = $7c
|
||||
step = $7d ; state for stepper motor
|
||||
tmptrk = $7e ; temporary copy of current track
|
||||
phase = $7f ; current phase for /seek
|
||||
|
||||
|
|
@ -0,0 +1,163 @@
|
|||
; De-compressor for ZX02 files
|
||||
; ----------------------------
|
||||
;
|
||||
; Decompress ZX02 data (6502 optimized format), optimized for speed and size
|
||||
; 138 bytes code, 58.0 cycles/byte in test file.
|
||||
;
|
||||
; Compress with:
|
||||
; zx02 input.bin output.zx0
|
||||
;
|
||||
; (c) 2022 DMSC
|
||||
; Code under MIT license, see LICENSE file.
|
||||
|
||||
|
||||
;ZP=$80
|
||||
|
||||
;offset = ZP+0
|
||||
;ZX0_src = ZP+2
|
||||
;ZX0_dst = ZP+4
|
||||
;bitr = ZP+6
|
||||
;pntr = ZP+7
|
||||
|
||||
; Initial values for offset, source, destination and bitr
|
||||
;zx0_ini_block:
|
||||
; .byte $00, $00 ; offset
|
||||
;comp_data:
|
||||
; .byte $0, $0 ; zx0_src
|
||||
;out_addr:
|
||||
; .byte $0, $0 ; zx0_dst
|
||||
; .byte $80 ; bitr
|
||||
|
||||
;--------------------------------------------------
|
||||
; Decompress ZX0 data (6502 optimized format)
|
||||
|
||||
; destination page in A
|
||||
full_decomp:
|
||||
sta ZX0_dst+1
|
||||
|
||||
ldy #$80
|
||||
sty bitr
|
||||
|
||||
ldy #0 ; always on page boundary
|
||||
sty ZX0_dst
|
||||
|
||||
sty offset
|
||||
sty offset+1
|
||||
|
||||
; Y needs to be 0 here
|
||||
|
||||
; Get initialization block
|
||||
; ldy #7
|
||||
|
||||
;copy_init: lda zx0_ini_block-1, y
|
||||
; sta offset-1, y
|
||||
; dey
|
||||
; bne copy_init
|
||||
|
||||
; Decode literal: Ccopy next N bytes from compressed file
|
||||
; Elias(length) byte[1] byte[2] ... byte[N]
|
||||
decode_literal:
|
||||
jsr get_elias
|
||||
|
||||
cop0: lda (ZX0_src), y
|
||||
inc ZX0_src
|
||||
bne plus1
|
||||
inc ZX0_src+1
|
||||
plus1: sta (ZX0_dst),y
|
||||
inc ZX0_dst
|
||||
bne plus2
|
||||
inc ZX0_dst+1
|
||||
plus2: dex
|
||||
bne cop0
|
||||
|
||||
asl bitr
|
||||
bcs dzx0s_new_offset
|
||||
|
||||
; Copy from last offset (repeat N bytes from last offset)
|
||||
; Elias(length)
|
||||
jsr get_elias
|
||||
dzx0s_copy:
|
||||
lda ZX0_dst
|
||||
sbc offset ; C=0 from get_elias
|
||||
sta pntr
|
||||
lda ZX0_dst+1
|
||||
sbc offset+1
|
||||
sta pntr+1
|
||||
|
||||
cop1:
|
||||
lda (pntr), y
|
||||
inc pntr
|
||||
bne plus3
|
||||
inc pntr+1
|
||||
plus3: sta (ZX0_dst),y
|
||||
inc ZX0_dst
|
||||
bne plus4
|
||||
inc ZX0_dst+1
|
||||
plus4: dex
|
||||
bne cop1
|
||||
|
||||
asl bitr
|
||||
bcc decode_literal
|
||||
|
||||
; Copy from new offset (repeat N bytes from new offset)
|
||||
; Elias(MSB(offset)) LSB(offset) Elias(length-1)
|
||||
dzx0s_new_offset:
|
||||
; Read elias code for high part of offset
|
||||
jsr get_elias
|
||||
beq exit ; Read a 0, signals the end
|
||||
; Decrease and divide by 2
|
||||
dex
|
||||
txa
|
||||
lsr ; @
|
||||
sta offset+1
|
||||
|
||||
; Get low part of offset, a literal 7 bits
|
||||
lda (ZX0_src), y
|
||||
inc ZX0_src
|
||||
bne plus5
|
||||
inc ZX0_src+1
|
||||
plus5:
|
||||
; Divide by 2
|
||||
ror ; @
|
||||
sta offset
|
||||
|
||||
; And get the copy length.
|
||||
; Start elias reading with the bit already in carry:
|
||||
ldx #1
|
||||
jsr elias_skip1
|
||||
|
||||
inx
|
||||
bcc dzx0s_copy
|
||||
|
||||
; Read an elias-gamma interlaced code.
|
||||
; ------------------------------------
|
||||
get_elias:
|
||||
; Initialize return value to #1
|
||||
ldx #1
|
||||
bne elias_start
|
||||
|
||||
elias_get: ; Read next data bit to result
|
||||
asl bitr
|
||||
rol ; @
|
||||
tax
|
||||
|
||||
elias_start:
|
||||
; Get one bit
|
||||
asl bitr
|
||||
bne elias_skip1
|
||||
|
||||
; Read new bit from stream
|
||||
lda (ZX0_src), y
|
||||
inc ZX0_src
|
||||
bne plus6
|
||||
inc ZX0_src+1
|
||||
plus6: ;sec ; not needed, C=1 guaranteed from last bit
|
||||
rol ;@
|
||||
sta bitr
|
||||
|
||||
elias_skip1:
|
||||
txa
|
||||
bcs elias_get
|
||||
; Got ending bit, stop reading
|
||||
exit:
|
||||
rts
|
||||
Loading…
Reference in New Issue