tfv: modernize and split up title screen from rest
still lots of work to do
This commit is contained in:
parent
2a7213e366
commit
8001a35f5c
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@ -7,11 +7,7 @@ Major Issues
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+ Better sound effects
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+ Enemy movement/AI
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+ Ability to take damage
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+ Have duke not be drawn if going into exit
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sound:
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@ -178,7 +178,7 @@ OUTH = $FF
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; read any file slot 6 version
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; based on FASTLD6 and RTS copyright (c) Peter Ferrie 2011-2013,2018
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; modified to assembled with ca64 -- vmw
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; modified to assemble with ca65 -- vmw
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; added code to patch it to run from current disk slot -- vmw
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43
tfv/Makefile
43
tfv/Makefile
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@ -11,21 +11,44 @@ all: tfv.dsk
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$(DOS33):
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cd ../dos33fs-utils && make
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tfv.dsk: $(DOS33) TFV HELLO
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tfv.dsk: $(DOS33) HELLO LOADER TFV_TITLE TFV
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$(DOS33) -y tfv.dsk SAVE A HELLO
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$(DOS33) -y tfv.dsk BSAVE -a 0x1000 TFV
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# $(DOS33) -y tfv.dsk BSAVE -a 0x2000 HIGHWIND.ED
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# $(DOS33) -y tfv.dsk BSAVE -a 0x2000 FIGHTING.ED
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$(DOS33) -y tfv.dsk BSAVE -a 0x1000 LOADER
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$(DOS33) -y tfv.dsk BSAVE -a 0x2000 TFV_TITLE
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$(DOS33) -y tfv.dsk BSAVE -a 0x2000 TFV
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###
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HELLO: hello.bas
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../asoft_basic-utils/tokenize_asoft < 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 init_vars.s common_defines.inc
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ca65 -o loader.o loader.s -l loader.lst
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###
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TFV_TITLE: tfv_title.o
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ld65 -o TFV_TITLE tfv_title.o -C ../linker_scripts/apple2_2000.inc
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tfv_title.o: tfv_title.s \
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gr_vlin.s tfv_opener.s \
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graphics_title/tfv_title.inc
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ca65 -o tfv_title.o tfv_title.s -l tfv_title.lst
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###
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TFV: tfv.o
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ld65 -o TFV tfv.o -C ../linker_scripts/apple2_1000.inc
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ld65 -o TFV tfv.o -C ../linker_scripts/apple2_2000.inc
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tfv.o: tfv.s \
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tfv_flying.s tfv_info.s tfv_opener.s tfv_title.s \
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tfv_flying.s tfv_info.s \
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tfv_textentry.s tfv_worldmap.s \
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graphics_map/tfv_backgrounds.inc tfv_sprites.inc tfv_zp.inc \
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graphics_map/tfv_backgrounds.inc tfv_sprites.inc zp.inc \
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../asm_routines/multiply_fast.s \
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gr_fast_clear.s \
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../asm_routines/pageflip.s \
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@ -42,14 +65,10 @@ tfv.o: tfv.s \
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graphics_map/tfv_backgrounds.inc:
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cd graphics_map && make
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###
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HELLO: hello.bas
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../asoft_basic-utils/tokenize_asoft < hello.bas > HELLO
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###
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clean:
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rm -f *~ TITLE.GR *.o *.lst ED TFV
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rm -f *~ TITLE.GR *.o *.lst TFV TFV_TITLE HELLO LOADER
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@ -0,0 +1,3 @@
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LOAD_TITLE = 0
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LOAD_TFV = 1
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LOAD_FLYING = 2
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@ -0,0 +1,161 @@
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;=========================================================
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; gr_copy_to_current, 40x48 version
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;=========================================================
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; copy 0xc00 to DRAW_PAGE
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;
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; 45 + 2 + 120*(8*9 + 5) -1 + 6 = 9292
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;.align $100
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gr_copy_to_current:
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lda DRAW_PAGE ; 3
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clc ; 2
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adc #$4 ; 2
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sta gr_copy_line+5 ; 4
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sta gr_copy_line+11 ; 4
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adc #$1 ; 2
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sta gr_copy_line+17 ; 4
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sta gr_copy_line+23 ; 4
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adc #$1 ; 2
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sta gr_copy_line+29 ; 4
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sta gr_copy_line+35 ; 4
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adc #$1 ; 2
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sta gr_copy_line+41 ; 4
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sta gr_copy_line+47 ; 4
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;===========
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; 45
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ldy #119 ; for early ones, copy 120 bytes ; 2
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gr_copy_line:
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lda $C00,Y ; load a byte (self modified) ; 4
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sta $400,Y ; store a byte (self modified) ; 5
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lda $C80,Y ; load a byte (self modified) ; 4
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sta $480,Y ; store a byte (self modified) ; 5
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lda $D00,Y ; load a byte (self modified) ; 4
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sta $500,Y ; store a byte (self modified) ; 5
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lda $D80,Y ; load a byte (self modified) ; 4
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sta $580,Y ; store a byte (self modified) ; 5
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lda $E00,Y ; load a byte (self modified) ; 4
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sta $600,Y ; store a byte (self modified) ; 5
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lda $E80,Y ; load a byte (self modified) ; 4
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sta $680,Y ; store a byte (self modified) ; 5
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lda $F00,Y ; load a byte (self modified) ; 4
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sta $700,Y ; store a byte (self modified) ; 5
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lda $F80,Y ; load a byte (self modified) ; 4
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sta $780,Y ; store a byte (self modified) ; 5
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dey ; decrement pointer ; 2
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bpl gr_copy_line ; ; 2nt/3
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rts ; 6
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;=========================================================
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; gr_copy_to_current, 40x48 version
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;=========================================================
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; copy 0x1000 to DRAW_PAGE
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gr_copy_to_current_1000:
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lda DRAW_PAGE ; 3
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clc ; 2
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adc #$4 ; 2
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sta gr_copy_line_40+5 ; 4
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sta gr_copy_line_40+11 ; 4
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adc #$1 ; 2
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sta gr_copy_line_40+17 ; 4
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sta gr_copy_line_40+23 ; 4
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adc #$1 ; 2
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sta gr_copy_line_40+29 ; 4
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sta gr_copy_line_40+35 ; 4
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adc #$1 ; 2
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sta gr_copy_line_40+41 ; 4
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sta gr_copy_line_40+47 ; 4
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;===========
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; 45
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ldy #119 ; for early ones, copy 120 bytes ; 2
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gr_copy_line_40:
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lda $1000,Y ; load a byte (self modified) ; 4
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sta $400,Y ; store a byte (self modified) ; 5
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lda $1080,Y ; load a byte (self modified) ; 4
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sta $480,Y ; store a byte (self modified) ; 5
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lda $1100,Y ; load a byte (self modified) ; 4
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sta $500,Y ; store a byte (self modified) ; 5
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lda $1180,Y ; load a byte (self modified) ; 4
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sta $580,Y ; store a byte (self modified) ; 5
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lda $1200,Y ; load a byte (self modified) ; 4
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sta $600,Y ; store a byte (self modified) ; 5
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lda $1280,Y ; load a byte (self modified) ; 4
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sta $680,Y ; store a byte (self modified) ; 5
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lda $1300,Y ; load a byte (self modified) ; 4
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sta $700,Y ; store a byte (self modified) ; 5
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lda $1380,Y ; load a byte (self modified) ; 4
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sta $780,Y ; store a byte (self modified) ; 5
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dey ; decrement pointer ; 2
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bpl gr_copy_line_40 ; ; 2nt/3
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rts ; 6
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;=========================================================
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; gr_copy_to_current_40x40
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;=========================================================
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; Take image in 0xc00
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; Copy to DRAW_PAGE
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; Actually copy lines 0..39
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; Don't over-write bottom 4 lines of text
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gr_copy_to_current_40x40:
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ldx #0
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gc_40x40_loop:
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lda gr_offsets,x
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sta OUTL
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sta INL
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lda gr_offsets+1,x
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clc
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adc DRAW_PAGE
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sta OUTH
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lda gr_offsets+1,x
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clc
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adc #$8
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sta INH
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ldy #39
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gc_40x40_inner:
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lda (INL),Y
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sta (OUTL),Y
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dey
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bpl gc_40x40_inner
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inx
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inx
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cpx #40
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bne gc_40x40_loop
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rts ; 6
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@ -3,6 +3,9 @@ clear_screens:
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; Clear top/bottom of page 0
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;===================================
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lda DRAW_PAGE
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pha
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lda #$0
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sta DRAW_PAGE
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jsr clear_top
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@ -17,6 +20,9 @@ clear_screens:
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jsr clear_top
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jsr clear_bottom
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pla
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sta DRAW_PAGE
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rts
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@ -0,0 +1,5 @@
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gr_offsets:
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.word $400,$480,$500,$580,$600,$680,$700,$780
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.word $428,$4a8,$528,$5a8,$628,$6a8,$728,$7a8
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.word $450,$4d0,$550,$5d0,$650,$6d0,$750,$7d0
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@ -0,0 +1,24 @@
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;==========
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; page_flip
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;==========
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page_flip:
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lda DISP_PAGE ; 3
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beq page_flip_show_1 ; 2nt/3
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page_flip_show_0:
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bit PAGE0 ; 4
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lda #4 ; 2
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sta DRAW_PAGE ; DRAW_PAGE=1 ; 3
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lda #0 ; 2
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sta DISP_PAGE ; DISP_PAGE=0 ; 3
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rts ; 6
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page_flip_show_1:
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bit PAGE1 ; 4
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sta DRAW_PAGE ; DRAW_PAGE=0 ; 3
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lda #1 ; 2
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sta DISP_PAGE ; DISP_PAGE=1 ; 3
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rts ; 6
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;====================
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; DISP_PAGE=0 26
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; DISP_PAGE=1 24
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@ -0,0 +1,54 @@
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;=========================================
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; vlin
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;=========================================
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; X, V2 at Y
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vlin:
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sty TEMPY ; save Y (x location)
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vlin_loop:
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txa ; a=x (get first y)
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and #$fe ; Clear bottom bit
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tay ;
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lda gr_offsets,Y ; lookup low-res memory address low
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sta GBASL ; put it into our indirect pointer
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iny
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lda gr_offsets,Y ; lookup low-res memory address high
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clc
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adc DRAW_PAGE ; add in draw page offset
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sta GBASH ; put into top of indirect
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ldy TEMPY ; load back in y (x offset)
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txa ; load back in x (current y)
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lsr ; check the low bit
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bcc vlin_low ; if not set, skip to low
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vlin_high:
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lda #$F0 ; setup masks
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sta MASK
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lda #$0f
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bcs vlin_too_slow
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vlin_low: ; setup masks
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lda #$0f
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sta MASK
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lda #$f0
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vlin_too_slow:
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and (GBASL),Y ; mask current byte
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sta (GBASL),Y ; and store back
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lda MASK ; mask the color
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and COLOR
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ora (GBASL),Y ; or into the right place
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sta (GBASL),Y ; store it
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inx ; increment X (current y)
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cpx V2 ; compare to the limit
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bcc vlin_loop ; if <= then loop
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rts ; return
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@ -5,11 +5,10 @@ PNG2GR = ../../gr-utils/png2gr
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LZSA = ~/research/lzsa/lzsa/lzsa
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tfv_backgrounds.inc: \
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title.lzsa map.lzsa landing.lzsa harfco.lzsa \
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map.lzsa landing.lzsa harfco.lzsa \
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belair.lzsa math_office.lzsa video_hr.lzsa \
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collegep.lzsa umcp.lzsa dining.lzsa metro.lzsa \
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talbot.lzsa
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echo "title_lzsa: .incbin \"title.lzsa\"" > tfv_backgrounds.inc
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echo "map_lzsa: .incbin \"map.lzsa\"" >> tfv_backgrounds.inc
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echo "landing_lzsa: .incbin \"landing.lzsa\"" >> tfv_backgrounds.inc
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echo "harfco_lzsa: .incbin \"harfco.lzsa\"" >> tfv_backgrounds.inc
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@ -0,0 +1,19 @@
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include ../../Makefile.inc
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PNG2RLE = ../../gr-utils/png2rle
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PNG2GR = ../../gr-utils/png2gr
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LZSA = ~/research/lzsa/lzsa/lzsa
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tfv_title.inc: \
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title.lzsa
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echo "title_lzsa: .incbin \"title.lzsa\"" > tfv_title.inc
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%.gr: %.png
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$(PNG2GR) $< $@
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%.lzsa: %.gr
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$(LZSA) -r -f2 $< $@
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clean:
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rm -f *~ tfv_title.inc
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Before Width: | Height: | Size: 10 KiB After Width: | Height: | Size: 10 KiB |
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@ -0,0 +1,709 @@
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; Loader for DUKE
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.include "zp.inc"
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.include "hardware.inc"
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.include "common_defines.inc"
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nibtbl = $300 ; nothing uses the bottom 128 bytes of $300, do they?
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bit2tbl = $380 ; bit2tbl: .res 86 ; = nibtbl+128
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filbuf = $3D6 ; filbuf: .res 4 ; = bit2tbl+86
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; read any file slot 6 version
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; based on FASTLD6 and RTS copyright (c) Peter Ferrie 2011-2013,2018
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; modified to assembled with ca65 -- vmw
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; added code to patch it to run from current disk slot -- vmw
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; WHICH_LOAD = $7E ; thing to load
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; adrlo = $26 ; constant from boot prom
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; adrhi = $27 ; constant from boot prom
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; tmpsec = $3c ; constant from boot prom
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; reqsec = $3d ; constant from boot prom
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; sizelo = $44
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; sizehi = $45
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; secsize = $46
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; namlo = $f8
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; namhi = $f9
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; TEMPY = $fa
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; step = $fd ; state for stepper motor
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; tmptrk = $fe ; temporary copy of current track
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; phase = $ff ; current phase for /seek
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; OUTL = $fe ; for picking filename
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; OUTH = $ff
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dirbuf = $c00
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; note, don't put this immediately below
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; the value being read as destaddr-4
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; is temporarily overwritten during read
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; process
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FILENAME = $280
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;===================================================
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;===================================================
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; START / INIT
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;===================================================
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;===================================================
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loader_start:
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lda #LOAD_TITLE
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sta WHICH_LOAD
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jsr init ; unhook DOS, init nibble table
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;===================================================
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;===================================================
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; SETUP THE FILENAME
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;===================================================
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;===================================================
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which_load_loop:
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; update the which-file error message
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; lda WHICH_LOAD
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; tay
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; lda which_disk,Y
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; sta error_string+19
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lda WHICH_LOAD
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asl
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tay
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lda filenames,Y
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sta OUTL
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lda filenames+1,Y
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sta OUTH
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lda WHICH_LOAD
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bne load_other
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load_intro:
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lda #<$2000
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sta entry_smc+1
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lda #>$2000
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sta entry_smc+2
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jmp actual_load
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load_other:
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lda #<$2000
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sta entry_smc+1
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lda #>$2000
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sta entry_smc+2
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actual_load:
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;===================================================
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;===================================================
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; SET UP DOS3.3 FILENAME
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;===================================================
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;===================================================
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load_file_and_execute:
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jsr opendir_filename
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entry_smc:
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jsr $1000 ; jump to common entry point
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||||
|
||||
; 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 intro_filename
|
||||
.word flying_filename
|
||||
.word duke2_filename
|
||||
|
||||
intro_filename:
|
||||
.byte "TFV_TITLE",0
|
||||
flying_filename:
|
||||
.byte "TFV_FLYING",0
|
||||
duke2_filename:
|
||||
.byte "DUKE_LEVEL2",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
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
;===================================================
|
||||
;===================================================
|
||||
; 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
|
||||
|
||||
|
||||
; 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
|
||||
|
||||
.include "init_vars.s"
|
||||
|
||||
loader_end:
|
||||
|
||||
.assert ((>loader_end) - (>loader_start)) <16, error, "loader too big"
|
|
@ -0,0 +1,191 @@
|
|||
;=============================
|
||||
; normal_text
|
||||
;=============================
|
||||
; modify so print normal text
|
||||
normal_text:
|
||||
|
||||
; want ora #$80
|
||||
lda #$09
|
||||
sta ps_smc1
|
||||
|
||||
lda #$80
|
||||
sta ps_smc1+1
|
||||
|
||||
rts
|
||||
|
||||
;=============================
|
||||
; inverse_text
|
||||
;=============================
|
||||
; modify so print inverse text
|
||||
inverse_text:
|
||||
|
||||
; want and #$3f
|
||||
lda #$29
|
||||
sta ps_smc1
|
||||
|
||||
lda #$3f
|
||||
sta ps_smc1+1
|
||||
|
||||
rts
|
||||
|
||||
|
||||
;=============================
|
||||
; raw text
|
||||
;=============================
|
||||
; modify so print raw string
|
||||
raw_text:
|
||||
|
||||
; want nop nop
|
||||
lda #$EA
|
||||
sta ps_smc1
|
||||
|
||||
lda #$EA
|
||||
sta ps_smc1+1
|
||||
|
||||
rts
|
||||
|
||||
|
||||
|
||||
;================================
|
||||
; move_and_print
|
||||
;================================
|
||||
; get X,Y from OUTL/OUTH
|
||||
; then print following string to that address
|
||||
; stop at NUL
|
||||
; convert to APPLE ASCII (or with 0x80)
|
||||
; leave OUTL/OUTH pointing to next string
|
||||
|
||||
move_and_print:
|
||||
ldy #0
|
||||
lda (OUTL),Y
|
||||
sta CH
|
||||
iny
|
||||
lda (OUTL),Y
|
||||
asl
|
||||
tay
|
||||
lda gr_offsets,Y ; lookup low-res memory address
|
||||
clc
|
||||
adc CH ; add in xpos
|
||||
sta BASL ; store out low byte of addy
|
||||
|
||||
lda gr_offsets+1,Y ; look up high byte
|
||||
adc DRAW_PAGE ;
|
||||
sta BASH ; and store it out
|
||||
; BASH:BASL now points at right place
|
||||
|
||||
clc
|
||||
lda OUTL
|
||||
adc #2
|
||||
sta OUTL
|
||||
lda OUTH
|
||||
adc #0
|
||||
sta OUTH
|
||||
|
||||
;================================
|
||||
; print_string
|
||||
;================================
|
||||
|
||||
print_string:
|
||||
ldy #0
|
||||
print_string_loop:
|
||||
lda (OUTL),Y
|
||||
beq done_print_string
|
||||
ps_smc1:
|
||||
and #$3f ; make sure we are inverse
|
||||
sta (BASL),Y
|
||||
iny
|
||||
bne print_string_loop
|
||||
done_print_string:
|
||||
iny
|
||||
clc
|
||||
tya
|
||||
adc OUTL
|
||||
sta OUTL
|
||||
lda OUTH
|
||||
adc #0
|
||||
sta OUTH
|
||||
|
||||
rts
|
||||
|
||||
|
||||
;================================
|
||||
; move and print a list of lines
|
||||
;================================
|
||||
move_and_print_list:
|
||||
jsr move_and_print
|
||||
ldy #0
|
||||
lda (OUTL),Y
|
||||
bpl move_and_print_list
|
||||
|
||||
rts
|
||||
|
||||
|
||||
.if 0
|
||||
;================================
|
||||
; move and print a list of lines
|
||||
;================================
|
||||
move_and_print_list_both_pages:
|
||||
lda DRAW_PAGE
|
||||
pha
|
||||
|
||||
lda OUTL
|
||||
pha
|
||||
lda OUTH
|
||||
pha
|
||||
|
||||
lda #0
|
||||
sta DRAW_PAGE
|
||||
|
||||
jsr move_and_print_list
|
||||
|
||||
pla
|
||||
sta OUTH
|
||||
pla
|
||||
sta OUTL
|
||||
|
||||
lda #4
|
||||
sta DRAW_PAGE
|
||||
|
||||
jsr move_and_print_list
|
||||
|
||||
pla
|
||||
sta DRAW_PAGE
|
||||
|
||||
|
||||
rts
|
||||
|
||||
|
||||
|
||||
;=======================
|
||||
; print to both pages
|
||||
;=======================
|
||||
print_both_pages:
|
||||
lda DRAW_PAGE
|
||||
pha
|
||||
|
||||
lda OUTL
|
||||
pha
|
||||
lda OUTH
|
||||
pha
|
||||
|
||||
lda #0
|
||||
sta DRAW_PAGE
|
||||
|
||||
jsr move_and_print
|
||||
|
||||
pla
|
||||
sta OUTH
|
||||
pla
|
||||
sta OUTL
|
||||
|
||||
lda #4
|
||||
sta DRAW_PAGE
|
||||
|
||||
jsr move_and_print
|
||||
|
||||
pla
|
||||
sta DRAW_PAGE
|
||||
|
||||
|
||||
rts
|
||||
.endif
|
35
tfv/tfv.s
35
tfv/tfv.s
|
@ -1,4 +1,4 @@
|
|||
.include "tfv_zp.inc"
|
||||
.include "zp.inc"
|
||||
.include "hardware.inc"
|
||||
|
||||
;================================
|
||||
|
@ -13,35 +13,6 @@
|
|||
; real hardware and AppleWin default
|
||||
; to different values
|
||||
|
||||
;===================================
|
||||
; zero out the zero page that we use
|
||||
;===================================
|
||||
|
||||
; memset()
|
||||
|
||||
;===================================
|
||||
; Clear top/bottom of page 0 and 1
|
||||
;===================================
|
||||
|
||||
jsr clear_screens
|
||||
|
||||
;==========================
|
||||
; Do Opening
|
||||
;==========================
|
||||
|
||||
jsr opening
|
||||
|
||||
;======================
|
||||
; show the title screen
|
||||
;======================
|
||||
|
||||
jsr title_screen
|
||||
|
||||
;======================
|
||||
; get name
|
||||
;======================
|
||||
|
||||
jsr enter_name
|
||||
|
||||
;=====================
|
||||
; Flying
|
||||
|
@ -84,8 +55,8 @@ exit:
|
|||
; External modules
|
||||
;===============================================
|
||||
|
||||
.include "tfv_opener.s"
|
||||
.include "tfv_title.s"
|
||||
;.include "tfv_opener.s"
|
||||
;.include "tfv_title.s"
|
||||
.include "tfv_textentry.s"
|
||||
.include "tfv_flying.s"
|
||||
.include "tfv_worldmap.s"
|
||||
|
|
|
@ -1,7 +1,10 @@
|
|||
;=============================
|
||||
; show VMW splash screen
|
||||
;=============================
|
||||
|
||||
opening:
|
||||
jsr normal_text
|
||||
|
||||
lda #100
|
||||
sta MATCH
|
||||
jsr draw_logo
|
||||
|
@ -27,17 +30,11 @@ shine_loop:
|
|||
|
||||
; Done, print string
|
||||
|
||||
lda #8
|
||||
sta CH ; HTAB 9
|
||||
|
||||
lda #20
|
||||
sta CV ; VTAB 21
|
||||
|
||||
|
||||
lda #>(vmwsw_string)
|
||||
sta OUTH
|
||||
lda #<(vmwsw_string)
|
||||
sta OUTL
|
||||
lda #>(vmwsw_string)
|
||||
sta OUTH
|
||||
|
||||
|
||||
jsr move_and_print ; print("A VMW SOFTWARE PRODUCTION");
|
||||
|
||||
|
@ -163,5 +160,5 @@ draw_logo:
|
|||
rts
|
||||
|
||||
vmwsw_string:
|
||||
.asciiz "A VMW SOFTWARE PRODUCTION"
|
||||
.byte 8,20,"A VMW SOFTWARE PRODUCTION",0
|
||||
|
||||
|
|
|
@ -1,3 +1,42 @@
|
|||
; Display the TFV title screen
|
||||
;
|
||||
; this is the opener, title screen, new game creation, and load game code
|
||||
|
||||
.include "zp.inc"
|
||||
.include "hardware.inc"
|
||||
.include "common_defines.inc"
|
||||
|
||||
;================================
|
||||
; Clear screen and setup graphics
|
||||
;================================
|
||||
|
||||
jsr HOME
|
||||
bit PAGE0 ; set page 0
|
||||
bit LORES ; Lo-res graphics
|
||||
bit TEXTGR ; mixed gr/text mode
|
||||
bit SET_GR ; set graphics
|
||||
|
||||
lda #0
|
||||
sta DISP_PAGE
|
||||
lda #4
|
||||
sta DRAW_PAGE
|
||||
|
||||
;===================================
|
||||
; Clear top/bottom of page 0 and 1
|
||||
;===================================
|
||||
|
||||
jsr clear_screens
|
||||
|
||||
;==========================
|
||||
; Do Opening
|
||||
;==========================
|
||||
|
||||
jsr opening
|
||||
|
||||
;======================
|
||||
; show the title screen
|
||||
;======================
|
||||
|
||||
; Title Screen
|
||||
|
||||
title_screen:
|
||||
|
@ -36,4 +75,45 @@ title_screen:
|
|||
|
||||
jsr wait_until_keypressed
|
||||
|
||||
|
||||
|
||||
;=================================
|
||||
; enter name
|
||||
|
||||
; jsr enter_name
|
||||
|
||||
;=================================
|
||||
; move on to flying
|
||||
|
||||
lda #LOAD_FLYING
|
||||
sta WHICH_LOAD
|
||||
|
||||
rts
|
||||
|
||||
|
||||
;===============================================
|
||||
; External modules
|
||||
;===============================================
|
||||
|
||||
.include "tfv_opener.s"
|
||||
|
||||
.include "gr_pageflip.s"
|
||||
.include "text_print.s"
|
||||
.include "gr_fast_clear.s"
|
||||
.include "gr_vlin.s"
|
||||
.include "gr_copy.s"
|
||||
.include "decompress_fast_v2.s"
|
||||
.include "gr_offsets.s"
|
||||
.include "wait_keypressed.s"
|
||||
|
||||
;===============================================
|
||||
; Variables
|
||||
;===============================================
|
||||
|
||||
enter_name_string:
|
||||
.asciiz "PLEASE ENTER A NAME:"
|
||||
|
||||
name:
|
||||
.byte $0,$0,$0,$0,$0,$0,$0,$0
|
||||
|
||||
.include "graphics_title/tfv_title.inc"
|
||||
|
|
|
@ -0,0 +1,6 @@
|
|||
|
||||
wait_until_keypressed:
|
||||
lda KEYPRESS ; check if keypressed
|
||||
bpl wait_until_keypressed ; if not, loop
|
||||
bit KEYRESET
|
||||
rts
|
|
@ -22,37 +22,6 @@ INVFLG = $32
|
|||
; More zero-page addresses
|
||||
; we try not to conflict with anything DOS, MONITOR or BASIC related
|
||||
|
||||
COLOR1 = $E0
|
||||
COLOR2 = $E1
|
||||
MATCH = $E2
|
||||
XX = $E3
|
||||
YY = $E4
|
||||
YADD = $E5
|
||||
LOOP = $E6
|
||||
MEMPTRL = $E7
|
||||
MEMPTRH = $E8
|
||||
NAMEL = $E9
|
||||
NAMEH = $EA
|
||||
NAMEX = $EB
|
||||
CHAR = $EC
|
||||
DISP_PAGE = $ED
|
||||
DRAW_PAGE = $EE
|
||||
|
||||
FIRST = $F0
|
||||
LASTKEY = $F1
|
||||
PADDLE_STATUS = $F2
|
||||
XPOS = $F3
|
||||
YPOS = $F4
|
||||
TEMP = $FA
|
||||
RUN = $FA
|
||||
TEMP2 = $FB
|
||||
TEMPY = $FB
|
||||
INL = $FC
|
||||
INH = $FD
|
||||
OUTL = $FE
|
||||
OUTH = $FF
|
||||
|
||||
|
||||
;; Flying Routine Only
|
||||
|
||||
TURNING = $60
|
||||
|
@ -96,9 +65,6 @@ LAST_SPACEY_I = $88
|
|||
LAST_MAP_COLOR = $89
|
||||
DRAW_SKY = $8A
|
||||
COLOR_MASK = $8B
|
||||
|
||||
SHIPY = $E4
|
||||
|
||||
;; World Map Only
|
||||
|
||||
ODD = $7B
|
||||
|
@ -115,79 +81,68 @@ MAP_X = $85
|
|||
GROUND_COLOR = $86
|
||||
|
||||
|
||||
.if 0
|
||||
LEVEL_OVER = $A0
|
||||
JOYSTICK_ENABLED= $A1
|
||||
FRAMEL = $A2
|
||||
FRAMEH = $A3
|
||||
WHICH_LOAD = $A4
|
||||
|
||||
KEYPRESS = $C000
|
||||
KEYRESET = $C010
|
||||
COLOR1 = $E0
|
||||
COLOR2 = $E1
|
||||
MATCH = $E2
|
||||
XX = $E3
|
||||
YY = $E4
|
||||
SHIPY = $E4
|
||||
YADD = $E5
|
||||
LOOP = $E6
|
||||
MEMPTRL = $E7
|
||||
MEMPTRH = $E8
|
||||
NAMEL = $E9
|
||||
NAMEH = $EA
|
||||
NAMEX = $EB
|
||||
CHAR = $EC
|
||||
DISP_PAGE = $ED
|
||||
DRAW_PAGE = $EE
|
||||
|
||||
;; SOFT SWITCHES
|
||||
SET_GR = $C050
|
||||
SET_TEXT = $C051
|
||||
FULLGR = $C052
|
||||
TEXTGR = $C053
|
||||
PAGE0 = $C054
|
||||
PAGE1 = $C055
|
||||
LORES = $C056
|
||||
HIRES = $C057
|
||||
|
||||
PADDLE_BUTTON0 = $C061
|
||||
PADDL0 = $C064
|
||||
PTRIG = $C070
|
||||
|
||||
;; BASIC ROUTINES
|
||||
|
||||
NORMAL = $F273
|
||||
|
||||
;; MONITOR ROUTINES
|
||||
|
||||
HLINE = $F819 ;; HLINE Y,$2C at A
|
||||
VLINE = $F828 ;; VLINE A,$2D at Y
|
||||
CLRSCR = $F832 ;; Clear low-res screen
|
||||
CLRTOP = $F836 ;; clear only top of low-res screen
|
||||
SETCOL = $F864 ;; COLOR=A
|
||||
TEXT = $FB36
|
||||
TABV = $FB5B ;; VTAB to A
|
||||
BASCALC = $FBC1 ;;
|
||||
VTAB = $FC22 ;; VTAB to CV
|
||||
HOME = $FC58 ;; Clear the text screen
|
||||
WAIT = $FCA8 ;; delay 1/2(26+27A+5A^2) us
|
||||
SETINV = $FE80 ;; INVERSE
|
||||
SETNORM = $FE84 ;; NORMAL
|
||||
COUT = $FDED ;; output A to screen
|
||||
COUT1 = $FDF0 ;; output A to screen
|
||||
FIRST = $F0
|
||||
LASTKEY = $F1
|
||||
PADDLE_STATUS = $F2
|
||||
XPOS = $F3
|
||||
YPOS = $F4
|
||||
TEMP = $FA
|
||||
RUN = $FA
|
||||
TEMP2 = $FB
|
||||
TEMPY = $FB
|
||||
INL = $FC
|
||||
INH = $FD
|
||||
OUTL = $FE
|
||||
OUTH = $FF
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
COLOR_BLACK = 0
|
||||
COLOR_RED = 1
|
||||
COLOR_DARKBLUE = 2
|
||||
COLOR_PURPLE = 3
|
||||
COLOR_DARKGREEN = 4
|
||||
COLOR_GREY = 5
|
||||
COLOR_MEDIUMBLUE = 6
|
||||
COLOR_LIGHTBLUE = 7
|
||||
COLOR_BROWN = 8
|
||||
COLOR_ORANGE = 9
|
||||
COLOR_GREY2 = 10
|
||||
COLOR_PINK = 11
|
||||
COLOR_LIGHTGREEN = 12
|
||||
COLOR_YELLOW = 13
|
||||
COLOR_AQUA = 14
|
||||
COLOR_WHITE = 15
|
||||
; read any file slot 6 version
|
||||
; based on FASTLD6 and RTS copyright (c) Peter Ferrie 2011-2013,2018
|
||||
|
||||
COLOR_BOTH_RED = $11
|
||||
COLOR_BOTH_DARKBLUE = $22
|
||||
COLOR_BOTH_DARKGREEN = $44
|
||||
COLOR_BOTH_GREY = $55
|
||||
COLOR_BOTH_MEDIUMBLUE = $66
|
||||
COLOR_BOTH_LIGHTBLUE = $77
|
||||
COLOR_BOTH_BROWN = $88
|
||||
COLOR_BOTH_ORANGE = $99
|
||||
COLOR_BOTH_LIGHTGREEN = $CC
|
||||
COLOR_BOTH_YELLOW = $DD
|
||||
COLOR_BOTH_WHITE = $FF
|
||||
; 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
|
||||
|
||||
.endif
|
Loading…
Reference in New Issue