mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-18 21:06:31 +00:00
xmas2018: something that builds
This commit is contained in:
Vince Weaver
parent
afd6e29146
commit
a43f875f19
@ -37,6 +37,9 @@ xmas2018.o: xmas2018.s \
|
||||
#D_HGRC.BIN: d_hgr.bmp
|
||||
# $(B2D) d_hgr.bmp HGR -d
|
||||
|
||||
wreath.img.lz4: wreath.img
|
||||
lz4 -f -16 wreath.img
|
||||
|
||||
wreath.img: WREATHC.BIN
|
||||
cp WREATHC.BIN wreath.img
|
||||
|
||||
|
||||
25
xmas_2018/delay_a.s
Normal file
25
xmas_2018/delay_a.s
Normal file
@ -0,0 +1,25 @@
|
||||
; From http://6502org.wikidot.com/software-delay
|
||||
|
||||
; 25+A cycles (including JSR), 19 bytes (excluding JSR)
|
||||
;
|
||||
; The branches must not cross page boundaries!
|
||||
;
|
||||
|
||||
; Cycles Accumulator Carry flag
|
||||
; 0 1 2 3 4 5 6 (hex) 0 1 2 3 4 5 6
|
||||
|
||||
; jsr delay_a ; 6 6 6 6 6 6 6 00 01 02 03 04 05 06
|
||||
|
||||
dly0: sbc #7
|
||||
delay_a:cmp #7 ; 2 2 2 2 2 2 2 00 01 02 03 04 05 06 0 0 0 0 0 0 0
|
||||
bcs dly0 ; 2 2 2 2 2 2 2 00 01 02 03 04 05 06 0 0 0 0 0 0 0
|
||||
lsr ; 2 2 2 2 2 2 2 00 00 01 01 02 02 03 0 1 0 1 0 1 0
|
||||
bcs dly1 ; 2 3 2 3 2 3 2 00 00 01 01 02 02 03 0 1 0 1 0 1 0
|
||||
dly1: beq dly2 ; 3 3 2 2 2 2 2 00 00 01 01 02 02 03 0 1 0 1 0 1 0
|
||||
lsr ; 2 2 2 2 2 00 00 01 01 01 1 1 0 0 1
|
||||
beq dly3 ; 3 3 2 2 2 00 00 01 01 01 1 1 0 0 1
|
||||
bcc dly3 ; 3 3 2 01 01 01 0 0 1
|
||||
dly2: bne dly3 ; 2 2 3 00 00 01 0 1 0
|
||||
dly3: rts ; 6 6 6 6 6 6 6 00 00 00 00 01 01 01 0 1 1 1 0 0 1
|
||||
;
|
||||
; Total cycles: 25 26 27 28 29 30 31
|
||||
192
xmas_2018/gr_fast_clear.s
Normal file
192
xmas_2018/gr_fast_clear.s
Normal file
@ -0,0 +1,192 @@
|
||||
clear_screens:
|
||||
;===================================
|
||||
; Clear top/bottom of page 0
|
||||
;===================================
|
||||
|
||||
lda #$0
|
||||
sta DRAW_PAGE
|
||||
jsr clear_top
|
||||
jsr clear_bottom
|
||||
|
||||
;===================================
|
||||
; Clear top/bottom of page 1
|
||||
;===================================
|
||||
|
||||
lda #$4
|
||||
sta DRAW_PAGE
|
||||
jsr clear_top
|
||||
jsr clear_bottom
|
||||
|
||||
rts
|
||||
|
||||
clear_bottoms:
|
||||
;===================================
|
||||
; Clear bottom of page 0
|
||||
;===================================
|
||||
|
||||
lda #$0
|
||||
sta DRAW_PAGE
|
||||
jsr clear_bottom
|
||||
|
||||
;===================================
|
||||
; Clear bottom of page 1
|
||||
;===================================
|
||||
|
||||
lda #$4
|
||||
sta DRAW_PAGE
|
||||
jsr clear_bottom
|
||||
|
||||
rts
|
||||
|
||||
|
||||
|
||||
;=========================================================
|
||||
; clear_top
|
||||
;=========================================================
|
||||
; clear DRAW_PAGE
|
||||
; original = 14,558 cycles(?) 15ms, 70Hz
|
||||
; OPTIMIZED MAX (page0,48rows): 45*120+4+6 = 5410 = 5.4ms 185Hz
|
||||
; (pageX,40rows): 50*120+4+6 = 6010 = 6.0ms 166Hz
|
||||
; 50*120+4+6+37 = 6055 = 6.0ms 166Hz
|
||||
clear_top:
|
||||
lda #0 ; 2
|
||||
clear_top_a:
|
||||
sta COLOR ; 3
|
||||
clc ; 2
|
||||
lda DRAW_PAGE ; 3
|
||||
|
||||
adc #4 ; 2
|
||||
sta __ctf+2 ; 3
|
||||
sta __ctf+5 ; 3
|
||||
adc #1 ; 2
|
||||
sta __ctf+8 ; 3
|
||||
sta __ctf+11 ; 3
|
||||
adc #1 ; 2
|
||||
sta __ctf2+2 ; 3
|
||||
sta __ctf2+5 ; 3
|
||||
adc #1 ; 2
|
||||
sta __ctf2+8 ; 3
|
||||
sta __ctf2+11 ; 3
|
||||
|
||||
|
||||
ldy #120 ; 2
|
||||
lda COLOR ; 3
|
||||
clear_top_fast_loop:
|
||||
__ctf:
|
||||
sta $400,Y ; 5
|
||||
sta $480,Y ; 5
|
||||
sta $500,Y ; 5
|
||||
sta $580,Y ; 5
|
||||
|
||||
cpy #80 ; 2
|
||||
bpl no_draw_bottom ; 2nt/3
|
||||
__ctf2:
|
||||
sta $600,Y ; 5
|
||||
sta $680,Y ; 5
|
||||
sta $700,Y ; 5
|
||||
sta $780,Y ; 5
|
||||
no_draw_bottom:
|
||||
|
||||
dey ; 2
|
||||
bpl clear_top_fast_loop ; 2nt/3
|
||||
|
||||
rts ; 6
|
||||
|
||||
|
||||
|
||||
|
||||
;=========================================================
|
||||
; clear_bottom
|
||||
;=========================================================
|
||||
; clear bottom of draw page
|
||||
|
||||
clear_bottom:
|
||||
clc ; 2
|
||||
lda DRAW_PAGE ; 3
|
||||
|
||||
adc #6 ; 2
|
||||
sta __cbf2+2 ; 3
|
||||
sta __cbf2+5 ; 3
|
||||
adc #1 ; 2
|
||||
sta __cbf2+8 ; 3
|
||||
sta __cbf2+11 ; 3
|
||||
|
||||
|
||||
ldy #120 ; 2
|
||||
lda #$a0 ; Normal Space ; 2
|
||||
clear_bottom_fast_loop:
|
||||
__cbf2:
|
||||
sta $600,Y ; 5
|
||||
sta $680,Y ; 5
|
||||
sta $700,Y ; 5
|
||||
sta $780,Y ; 5
|
||||
|
||||
dey ; 2
|
||||
cpy #80 ; 2
|
||||
bpl clear_bottom_fast_loop ; 2nt/3
|
||||
|
||||
rts ; 6
|
||||
|
||||
|
||||
clear_screens_notext:
|
||||
;===================================
|
||||
; Clear top/bottom of page 0
|
||||
;===================================
|
||||
|
||||
lda #$0
|
||||
sta DRAW_PAGE
|
||||
jsr clear_all
|
||||
|
||||
;===================================
|
||||
; Clear top/bottom of page 1
|
||||
;===================================
|
||||
|
||||
lda #$4
|
||||
sta DRAW_PAGE
|
||||
jsr clear_all
|
||||
|
||||
rts
|
||||
|
||||
|
||||
;=========================================================
|
||||
; clear_all
|
||||
;=========================================================
|
||||
; clear 48 rows
|
||||
|
||||
clear_all:
|
||||
clc ; 2
|
||||
lda DRAW_PAGE ; 3
|
||||
|
||||
adc #4 ; 2
|
||||
sta __caf+2 ; 3
|
||||
sta __caf+5 ; 3
|
||||
adc #1 ; 2
|
||||
sta __caf+8 ; 3
|
||||
sta __caf+11 ; 3
|
||||
adc #1 ; 2
|
||||
sta __caf2+2 ; 3
|
||||
sta __caf2+5 ; 3
|
||||
adc #1 ; 2
|
||||
sta __caf2+8 ; 3
|
||||
sta __caf2+11 ; 3
|
||||
|
||||
|
||||
ldy #120 ; 2
|
||||
clear_all_color:
|
||||
lda #0 ; 2
|
||||
clear_all_fast_loop:
|
||||
__caf:
|
||||
sta $400,Y ; 5
|
||||
sta $480,Y ; 5
|
||||
sta $500,Y ; 5
|
||||
sta $580,Y ; 5
|
||||
__caf2:
|
||||
sta $600,Y ; 5
|
||||
sta $680,Y ; 5
|
||||
sta $700,Y ; 5
|
||||
sta $780,Y ; 5
|
||||
|
||||
dey ; 2
|
||||
bpl clear_all_fast_loop ; 2nt/3
|
||||
|
||||
rts ; 6
|
||||
44
xmas_2018/gr_hline.s
Normal file
44
xmas_2018/gr_hline.s
Normal file
@ -0,0 +1,44 @@
|
||||
;==================================
|
||||
; HLINE
|
||||
;==================================
|
||||
; Color in A
|
||||
; Y has which line
|
||||
; takes 435 cycles
|
||||
hline:
|
||||
pha ; 3
|
||||
ldx gr_offsets,y ; 4+
|
||||
stx hline_loop+1 ; self-modify code ; 4
|
||||
lda gr_offsets+1,y ; 4+
|
||||
clc ; 2
|
||||
adc DRAW_PAGE ; 3
|
||||
sta hline_loop+2 ; self-modify code ; 4
|
||||
pla ; 4
|
||||
ldx #39 ; 2
|
||||
;===========
|
||||
; 30
|
||||
hline_loop:
|
||||
sta $5d0,X ; 38 ; 5
|
||||
dex ; 2
|
||||
bpl hline_loop ; 2nt/3
|
||||
;===========
|
||||
; 40*(10)=400
|
||||
|
||||
; -1
|
||||
rts ; 6
|
||||
|
||||
;==========================
|
||||
; Clear gr screen
|
||||
;==========================
|
||||
; Color in A, Clears 0 to and including Y
|
||||
; clear_gr: takes 2+(48/2)*(6+435+7)+5 = 10759
|
||||
; cpl: takes (Y/2)*(6+435+7)+5 = ?
|
||||
clear_gr:
|
||||
ldy #46 ; 2
|
||||
clear_page_loop:
|
||||
jsr hline ; 6+435
|
||||
dey ; 2
|
||||
dey ; 2
|
||||
bpl clear_page_loop ; 2/3
|
||||
rts ; 6
|
||||
|
||||
|
||||
4
xmas_2018/gr_offsets.s
Normal file
4
xmas_2018/gr_offsets.s
Normal file
@ -0,0 +1,4 @@
|
||||
gr_offsets:
|
||||
.word $400,$480,$500,$580,$600,$680,$700,$780
|
||||
.word $428,$4a8,$528,$5a8,$628,$6a8,$728,$7a8
|
||||
.word $450,$4d0,$550,$5d0,$650,$6d0,$750,$7d0
|
||||
137
xmas_2018/gr_putsprite.s
Normal file
137
xmas_2018/gr_putsprite.s
Normal file
@ -0,0 +1,137 @@
|
||||
|
||||
;=============================================
|
||||
; put_sprite
|
||||
;=============================================
|
||||
; Sprite to display in INH,INL
|
||||
; Location is XPOS,YPOS
|
||||
; Note, only works if YPOS is multiple of two
|
||||
|
||||
|
||||
; time= 28 setup
|
||||
; Y*outerloop
|
||||
; outerloop = 34 setup
|
||||
; X*innerloop
|
||||
; innerloop = 30 if $00 17+13(done)
|
||||
; 64 if $0X 16+7+8+20(put_sprite_mask)+13(done)
|
||||
; 69 if $X0 16+8+7+5+20(put_sprite_mask)+13(done)
|
||||
; 54 if if $XX 16+8+8+9(put_all)+13(done)
|
||||
|
||||
|
||||
; -1 for last iteration
|
||||
; 18 (-1 for last)
|
||||
; 6 return
|
||||
|
||||
; so cost = 28 + Y*(34+18)+ (INNER-Y) -1 + 6
|
||||
; = 33 + Y*(52)+(INNER-Y)
|
||||
; = 33 + Y*(52)+ [30A + 64B + 69C + 54D]-Y
|
||||
|
||||
put_sprite:
|
||||
|
||||
ldy #0 ; byte 0 is xsize ; 2
|
||||
lda (INL),Y ; 5
|
||||
sta CH ; xsize is in CH ; 3
|
||||
iny ; 2
|
||||
|
||||
lda (INL),Y ; byte 1 is ysize ; 5
|
||||
sta CV ; ysize is in CV ; 3
|
||||
iny ; 2
|
||||
|
||||
lda YPOS ; make a copy of ypos ; 3
|
||||
sta TEMPY ; as we modify it ; 3
|
||||
;===========
|
||||
; 28
|
||||
put_sprite_loop:
|
||||
sty TEMP ; save sprite pointer ; 3
|
||||
ldy TEMPY ; 3
|
||||
lda gr_offsets,Y ; lookup low-res memory address ; 4
|
||||
clc ; 2
|
||||
adc XPOS ; add in xpos ; 3
|
||||
sta OUTL ; store out low byte of addy ; 3
|
||||
lda gr_offsets+1,Y ; look up high byte ; 4
|
||||
adc DRAW_PAGE ; ; 3
|
||||
sta OUTH ; and store it out ; 3
|
||||
ldy TEMP ; restore sprite pointer ; 3
|
||||
|
||||
; OUTH:OUTL now points at right place
|
||||
|
||||
ldx CH ; load xsize into x ; 3
|
||||
;===========
|
||||
; 34
|
||||
put_sprite_pixel:
|
||||
lda (INL),Y ; get sprite colors ; 5
|
||||
iny ; increment sprite pointer ; 2
|
||||
|
||||
sty TEMP ; save sprite pointer ; 3
|
||||
ldy #$0 ; 2
|
||||
|
||||
; check if completely transparent
|
||||
; if so, skip
|
||||
|
||||
cmp #$0 ; if all zero, transparent ; 2
|
||||
beq put_sprite_done_draw ; don't draw it ; 2nt/3
|
||||
;==============
|
||||
; 16/17
|
||||
|
||||
sta COLOR ; save color for later ; 3
|
||||
|
||||
; check if top pixel transparent
|
||||
|
||||
and #$f0 ; check if top nibble zero ; 2
|
||||
bne put_sprite_bottom ; if not skip ahead ; 2nt/3
|
||||
;==============
|
||||
; 7/8
|
||||
|
||||
lda #$f0 ; setup mask ; 2
|
||||
sta MASK ; 3
|
||||
bmi put_sprite_mask ; always? ; 3
|
||||
;=============
|
||||
; 8
|
||||
|
||||
put_sprite_bottom:
|
||||
lda COLOR ; re-load color ; 3
|
||||
and #$0f ; check if bottom nibble zero ; 2
|
||||
bne put_sprite_all ; if not, skip ahead ; 2nt/3
|
||||
;=============
|
||||
; 7/8
|
||||
|
||||
lda #$0f ; 2
|
||||
sta MASK ; setup mask ; 3
|
||||
;===========
|
||||
; 5
|
||||
|
||||
put_sprite_mask:
|
||||
lda (OUTL),Y ; get color at output ; 5
|
||||
and MASK ; mask off unneeded part ; 3
|
||||
ora COLOR ; or the color in ; 3
|
||||
sta (OUTL),Y ; store it back ; 6
|
||||
|
||||
jmp put_sprite_done_draw ; we are done ; 3
|
||||
;===========
|
||||
; 20
|
||||
|
||||
put_sprite_all:
|
||||
lda COLOR ; load color ; 3
|
||||
sta (OUTL),Y ; and write it out ; 6
|
||||
;============
|
||||
; 9
|
||||
|
||||
put_sprite_done_draw:
|
||||
|
||||
ldy TEMP ; restore sprite pointer ; 3
|
||||
|
||||
inc OUTL ; increment output pointer ; 5
|
||||
dex ; decrement x counter ; 2
|
||||
bne put_sprite_pixel ; if not done, keep looping ; 2nt/3
|
||||
;==============
|
||||
; 12/13
|
||||
|
||||
inc TEMPY ; each line has two y vars ; 5
|
||||
inc TEMPY ; 5
|
||||
dec CV ; decemenet total y count ; 5
|
||||
bne put_sprite_loop ; loop if not done ; 2nt/3
|
||||
;==============
|
||||
; 17/18
|
||||
|
||||
rts ; return ; 6
|
||||
|
||||
|
||||
213
xmas_2018/lz4_decode.s
Normal file
213
xmas_2018/lz4_decode.s
Normal file
@ -0,0 +1,213 @@
|
||||
; LZ4 data decompressor for Apple II
|
||||
|
||||
; Code by Peter Ferrie (qkumba) (peter.ferrie@gmail.com)
|
||||
; "LZ4 unpacker in 143 bytes (6502 version) (2013)"
|
||||
; http://pferrie.host22.com/misc/appleii.htm
|
||||
; This is that code, but with comments and labels added for clarity.
|
||||
; I also found a bug when decoding with runs of multiples of 256
|
||||
; which has since been fixed upstream.
|
||||
|
||||
; For LZ4 reference see
|
||||
; https://github.com/lz4/lz4/wiki/lz4_Frame_format.md
|
||||
|
||||
; LZ4 summary:
|
||||
;
|
||||
; HEADER:
|
||||
; Should: check for magic number 04 22 4d 18
|
||||
; FLG: 64 in our case (01=version, block.index=1, block.checksum=0
|
||||
; size=0, checksum=1, reserved
|
||||
; MAX Blocksize: 40 (64kB)
|
||||
; HEADER CHECKSUM: a7
|
||||
; BLOCK HEADER: 4 bytes (le) length If highest bit set, uncompressed!
|
||||
; data (see below), followed by checksum?
|
||||
; BLOCKS:
|
||||
; Token byte. High 4-bits literal length, low 4-bits copy length
|
||||
; + If literal length==15, then following byte gets added to length
|
||||
; If that byte was 255, then keep adding bytes until not 255
|
||||
; + The literal bytes follow. There may be zero of them
|
||||
; + Next is block copy info. little-endian 2-byte offset to
|
||||
; be subtracted from current read position indicating source
|
||||
; + The low 4-bits of the token are the copy length, which needs
|
||||
; 4 added to it. As with the literal length, if it is 15 then
|
||||
; you read a byte and add (and if that byte is 255, keep adding)
|
||||
|
||||
; At end you have 4 byte end-of-block marker (all zeros?) then
|
||||
; 4 bytes of checksum (if marked in flags)
|
||||
; our code does that, so be sure to set end -8
|
||||
|
||||
|
||||
;LZ4_SRC EQU $00
|
||||
;LZ4_DST EQU $02
|
||||
;LZ4_END EQU $04
|
||||
;COUNT EQU $06
|
||||
;DELTA EQU $08
|
||||
|
||||
;UNPACK_BUFFER EQU $5E00 ; offset of first unpacked byte
|
||||
|
||||
|
||||
;======================
|
||||
; LZ4 decode
|
||||
;======================
|
||||
; input buffer in LZ4_SRC
|
||||
; output buffer hardcoded still
|
||||
; size in ENDH:ENDL
|
||||
|
||||
lz4_decode:
|
||||
; lda LZ4_SRC ; packed data offset
|
||||
; clc
|
||||
; adc LZ4_END
|
||||
; sta LZ4_END
|
||||
; lda LZ4_SRC+1
|
||||
; adc LZ4_END+1
|
||||
; sta LZ4_END+1
|
||||
|
||||
; lda #>UNPACK_BUFFER ; original unpacked data offset
|
||||
; sta LZ4_DST+1
|
||||
; lda #<UNPACK_BUFFER
|
||||
; sta LZ4_DST
|
||||
|
||||
unpmain:
|
||||
ldy #0 ; used to index, always zero
|
||||
|
||||
parsetoken:
|
||||
jsr getsrc ; get next token
|
||||
pha ; save for later (need bottom 4 bits)
|
||||
|
||||
lsr ; number of literals in top 4 bits
|
||||
lsr ; so shift into place
|
||||
lsr
|
||||
lsr
|
||||
beq copymatches ; if zero, then no literals
|
||||
; jump ahead and copy
|
||||
|
||||
jsr buildcount ; add up all the literal sizes
|
||||
; result is in ram[count+1]-1:A
|
||||
tax ; now in ram[count+1]-1:X
|
||||
jsr docopy ; copy the literals
|
||||
|
||||
lda LZ4_SRC ; 16-bit compare
|
||||
cmp LZ4_END ; to see if we have reached the end
|
||||
lda LZ4_SRC+1
|
||||
sbc LZ4_END+1
|
||||
bcs done
|
||||
|
||||
copymatches:
|
||||
jsr getsrc ; get 16-bit delta value
|
||||
sta DELTA
|
||||
jsr getsrc
|
||||
sta DELTA+1
|
||||
|
||||
pla ; restore token
|
||||
and #$0f ; get bottom 4 bits
|
||||
; match count. 0 means 4
|
||||
; 15 means 19+, must be calculated
|
||||
|
||||
jsr buildcount ; add up count bits, in ram[count+1]-:A
|
||||
|
||||
clc
|
||||
adc #4 ; adjust count by 4 (minmatch)
|
||||
|
||||
tax ; now in ramp[count+1]-1:X
|
||||
|
||||
beq copy_no_adjust ; BUGFIX, don't increment if
|
||||
; exactly a multiple of 0x100
|
||||
bcc copy_no_adjust
|
||||
|
||||
inc COUNT+1 ; increment if we overflowed
|
||||
copy_no_adjust:
|
||||
|
||||
lda LZ4_SRC+1 ; save src on stack
|
||||
pha
|
||||
lda LZ4_SRC
|
||||
pha
|
||||
|
||||
sec ; subtract delta
|
||||
lda LZ4_DST ; from destination, make new src
|
||||
sbc DELTA
|
||||
sta LZ4_SRC
|
||||
lda LZ4_DST+1
|
||||
sbc DELTA+1
|
||||
sta LZ4_SRC+1
|
||||
|
||||
jsr docopy ; do the copy
|
||||
|
||||
pla ; restore the src
|
||||
sta LZ4_SRC
|
||||
pla
|
||||
sta LZ4_SRC+1
|
||||
|
||||
jmp parsetoken ; back to parsing tokens
|
||||
|
||||
done:
|
||||
pla
|
||||
rts
|
||||
|
||||
;=========
|
||||
; getsrc
|
||||
;=========
|
||||
; gets byte from src into A, increments pointer
|
||||
getsrc:
|
||||
lda (LZ4_SRC), Y ; get a byte from src
|
||||
inc LZ4_SRC ; increment pointer
|
||||
bne done_getsrc ; update 16-bit pointer
|
||||
inc LZ4_SRC+1 ; on 8-bit overflow
|
||||
done_getsrc:
|
||||
rts
|
||||
|
||||
;============
|
||||
; buildcount
|
||||
;============
|
||||
buildcount:
|
||||
ldx #1 ; high count starts at 1
|
||||
stx COUNT+1 ; (loops at zero?)
|
||||
cmp #$0f ; if LITERAL_COUNT < 15, we are done
|
||||
bne done_buildcount
|
||||
buildcount_loop:
|
||||
sta COUNT ; save LITERAL_COUNT (15)
|
||||
jsr getsrc ; get the next byte
|
||||
tax ; put in X
|
||||
clc
|
||||
adc COUNT ; add new byte to old value
|
||||
bcc bc_8bit_oflow ; if overflow, increment high byte
|
||||
inc COUNT+1
|
||||
bc_8bit_oflow:
|
||||
inx ; check if read value was 255
|
||||
beq buildcount_loop ; if it was, keep looping and adding
|
||||
done_buildcount:
|
||||
rts
|
||||
|
||||
;============
|
||||
; getput
|
||||
;============
|
||||
; gets a byte, then puts the byte
|
||||
getput:
|
||||
jsr getsrc
|
||||
; fallthrough to putdst
|
||||
|
||||
;=============
|
||||
; putdst
|
||||
;=============
|
||||
; store A into destination
|
||||
putdst:
|
||||
sta (LZ4_DST), Y ; store A into destination
|
||||
inc LZ4_DST ; increment 16-bit pointer
|
||||
bne putdst_end ; if overflow, increment top byte
|
||||
inc LZ4_DST+1
|
||||
putdst_end:
|
||||
rts
|
||||
|
||||
;=============================
|
||||
; docopy
|
||||
;=============================
|
||||
; copies ram[count+1]-1:X bytes
|
||||
; from src to dst
|
||||
docopy:
|
||||
|
||||
docopy_loop:
|
||||
jsr getput ; get/put byte
|
||||
dex ; decrement count
|
||||
bne docopy_loop ; if not zero, loop
|
||||
dec COUNT+1 ; if zero, decrement high byte
|
||||
bne docopy_loop ; if not zero, loop
|
||||
|
||||
rts
|
||||
@ -156,7 +156,7 @@ interrupt_handler:
|
||||
|
||||
bit $C404 ; clear 6522 interrupt by reading T1C-L ; 4
|
||||
|
||||
jsr play_music
|
||||
; jsr play_music
|
||||
|
||||
pla
|
||||
tay ; restore Y
|
||||
|
||||
5
xmas_2018/wait_keypress.s
Normal file
5
xmas_2018/wait_keypress.s
Normal file
@ -0,0 +1,5 @@
|
||||
wait_until_keypress:
|
||||
lda KEYPRESS ; 4
|
||||
bpl wait_until_keypress ; 3
|
||||
bit KEYRESET ; clear the keyboard buffer
|
||||
rts ; 6
|
||||
@ -22,14 +22,14 @@ wreath:
|
||||
;=============================
|
||||
; Load graphic hgr
|
||||
|
||||
lda #<sb_background_hgr
|
||||
lda #<wreath_hgr
|
||||
sta LZ4_SRC
|
||||
lda #>sb_background_hgr
|
||||
lda #>wreath_hgr
|
||||
sta LZ4_SRC+1
|
||||
|
||||
lda #<(sb_background_hgr_end-8) ; skip checksum at end
|
||||
lda #<(wreath_hgr_end-8) ; skip checksum at end
|
||||
sta LZ4_END
|
||||
lda #>(sb_background_hgr_end-8) ; skip checksum at end
|
||||
lda #>(wreath_hgr_end-8) ; skip checksum at end
|
||||
sta LZ4_END+1
|
||||
|
||||
lda #<$2000
|
||||
@ -50,7 +50,7 @@ wreath:
|
||||
|
||||
; so we have 5070 + 4550 = 9620 to kill
|
||||
|
||||
jsr gr_copy_to_current ; 6+ 9292
|
||||
; jsr gr_copy_to_current ; 6+ 9292
|
||||
|
||||
; now we have 322 left
|
||||
|
||||
@ -137,17 +137,17 @@ sb_hgr_loop:
|
||||
|
||||
|
||||
; draw sprite at same time
|
||||
lda #>ship_forward ; 2
|
||||
sta INH ; 3
|
||||
lda #<ship_forward ; 2
|
||||
sta INL ; 3
|
||||
jsr put_sprite ; 6
|
||||
; lda #>ship_forward ; 2
|
||||
; sta INH ; 3
|
||||
; lda #<ship_forward ; 2
|
||||
; sta INL ; 3
|
||||
; jsr put_sprite ; 6
|
||||
; + 2164
|
||||
;===========
|
||||
; 2180
|
||||
|
||||
|
||||
jsr play_music ; 6+1032
|
||||
; jsr play_music ; 6+1032
|
||||
|
||||
; Try X=196 Y=2 cycles=1973
|
||||
|
||||
@ -169,10 +169,10 @@ sb_mixed:
|
||||
ldy #9 ; 14 ; 126 ; 2
|
||||
|
||||
sb_mixed_loop:
|
||||
lda ss_multiples,x ; 4
|
||||
; lda ss_multiples,x ; 4
|
||||
sta split_smc+1 ; 4
|
||||
split_smc:
|
||||
jsr split_4 ; 6+46
|
||||
; jsr split_4 ; 6+46
|
||||
dey ; 2
|
||||
bne sb_mixed_loop ; 3
|
||||
|
||||
@ -540,120 +540,16 @@ blueline_loop:
|
||||
draw_ship_big:
|
||||
jsr clear_all
|
||||
|
||||
lda #>ship_forward
|
||||
sta INH
|
||||
lda #<ship_forward
|
||||
sta INL
|
||||
; lda #>ship_forward
|
||||
; sta INH
|
||||
; lda #<ship_forward
|
||||
; sta INL
|
||||
|
||||
lda #15
|
||||
sta XPOS
|
||||
lda #34
|
||||
sta YPOS
|
||||
jsr put_sprite
|
||||
; lda #15
|
||||
; sta XPOS
|
||||
; lda #34
|
||||
; sta YPOS
|
||||
; jsr put_sprite
|
||||
|
||||
draw_ship_small:
|
||||
jsr delay_1s
|
||||
jsr clear_all
|
||||
|
||||
lda #>ship_small
|
||||
sta INH
|
||||
lda #<ship_small
|
||||
sta INL
|
||||
|
||||
lda #17
|
||||
sta XPOS
|
||||
lda #30
|
||||
sta YPOS
|
||||
jsr put_sprite
|
||||
|
||||
draw_ship_tiny:
|
||||
jsr delay_1s
|
||||
jsr clear_all
|
||||
|
||||
lda #>ship_tiny
|
||||
sta INH
|
||||
lda #<ship_tiny
|
||||
sta INL
|
||||
|
||||
lda #18
|
||||
sta XPOS
|
||||
lda #28
|
||||
sta YPOS
|
||||
jsr put_sprite
|
||||
|
||||
lda #18
|
||||
sta SPEED
|
||||
|
||||
jsr delay_1s
|
||||
|
||||
draw_ship_line:
|
||||
lda #2
|
||||
jsr delay_custom
|
||||
jsr clear_all
|
||||
|
||||
lda #COLOR_LIGHTBLUE
|
||||
sta COLOR
|
||||
|
||||
clc
|
||||
lda #20
|
||||
adc SPEED
|
||||
sta V2
|
||||
|
||||
sec
|
||||
lda #20
|
||||
sbc SPEED
|
||||
tay
|
||||
|
||||
; 20 - 0 to 0 - 20, 20 - 40
|
||||
|
||||
lda #26
|
||||
jsr hlin_double
|
||||
|
||||
dec SPEED
|
||||
bne draw_ship_line
|
||||
|
||||
draw_ship_done:
|
||||
lda #$77
|
||||
sta clear_all_color+1
|
||||
jsr clear_all
|
||||
|
||||
lda #2
|
||||
jsr delay_custom
|
||||
|
||||
lda #$0
|
||||
sta clear_all_color+1
|
||||
jsr clear_all
|
||||
|
||||
jsr delay_1s
|
||||
|
||||
lda #40
|
||||
jsr delay_custom
|
||||
|
||||
jmp sb_real_exit
|
||||
|
||||
;1s = 17030*60 = 1021800
|
||||
|
||||
|
||||
delay_1s:
|
||||
lda #20
|
||||
delay_custom:
|
||||
sta STATE
|
||||
delay_1s_loop:
|
||||
|
||||
; 17030 - 1038 = 15992
|
||||
|
||||
; jsr play_music ; 6+1032
|
||||
|
||||
; Try X=113 Y=28 cycles=15989 R3
|
||||
|
||||
ldy #28 ; 2
|
||||
sbloopU:ldx #113 ; 2
|
||||
sbloopV:dex ; 2
|
||||
bne sbloopV ; 2nt/3
|
||||
dey ; 2
|
||||
bne sbloopU ; 2nt/3
|
||||
|
||||
dec STATE
|
||||
bne delay_1s_loop
|
||||
|
||||
rts
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
; Apple II Megademo
|
||||
|
||||
; VMW Productions 2018 XMAS Demo
|
||||
;
|
||||
; by deater (Vince Weaver) <vince@deater.net>
|
||||
|
||||
.include "zp.inc"
|
||||
@ -7,12 +7,12 @@
|
||||
|
||||
; external routines
|
||||
|
||||
play_music=$1000
|
||||
mockingboard_init=$1100
|
||||
mockingboard_mute=$11a1
|
||||
;play_music=$1000
|
||||
;mockingboard_init=$1100
|
||||
;mockingboard_mute=$11a1
|
||||
|
||||
|
||||
megademo_start: ; this should end up at $4000
|
||||
xmas2018_start: ; this should end up at $4000
|
||||
|
||||
;===================
|
||||
; Check for Apple II and patch
|
||||
@ -22,8 +22,8 @@ megademo_start: ; this should end up at $4000
|
||||
cmp #6
|
||||
beq apple_iie
|
||||
|
||||
lda #$54 ; patch the check_email font code
|
||||
sta ce_patch+1
|
||||
; lda #$54 ; patch the check_email font code
|
||||
; sta ce_patch+1
|
||||
|
||||
|
||||
apple_iie:
|
||||
@ -44,146 +44,51 @@ apple_iie:
|
||||
;===================
|
||||
jsr HOME
|
||||
|
||||
; jsr space_bars
|
||||
|
||||
; jsr arriving_there
|
||||
|
||||
; jsr fireworks
|
||||
|
||||
; C64 Opening Sequence
|
||||
|
||||
jsr c64_opener
|
||||
|
||||
; Falling Apple II
|
||||
|
||||
jsr falling_apple
|
||||
|
||||
; Starring Screens
|
||||
jsr starring
|
||||
|
||||
jsr setup_people_fs
|
||||
jsr starring_people
|
||||
jsr setup_people_deater
|
||||
jsr starring_people
|
||||
jsr setup_people_lg
|
||||
jsr starring_people
|
||||
|
||||
; E-mail arriving
|
||||
jsr check_email
|
||||
|
||||
; Leaving house
|
||||
jsr leaving_home
|
||||
|
||||
; Riding bird
|
||||
jsr bird_mountain
|
||||
|
||||
; Waterfall
|
||||
jsr waterfall
|
||||
|
||||
; Enter ship
|
||||
jsr rocket_takeoff
|
||||
|
||||
; mode7 (???)
|
||||
jsr mode7_flying
|
||||
|
||||
; Fly in space
|
||||
jsr space_bars
|
||||
|
||||
; Arrive
|
||||
jsr arriving_there
|
||||
|
||||
; Fireworks
|
||||
jsr fireworks
|
||||
jsr wreath
|
||||
|
||||
;==================
|
||||
; Game over
|
||||
;==================
|
||||
; we never get here
|
||||
;game_over_man:
|
||||
; jmp game_over_man
|
||||
game_over_man:
|
||||
jmp game_over_man
|
||||
|
||||
|
||||
.align $100
|
||||
.include "wreath.s"
|
||||
.include "lz4_decode.s"
|
||||
.include "c64_opener.s"
|
||||
.include "falling_apple.s"
|
||||
.include "gr_unrle.s"
|
||||
.include "gr_copy.s"
|
||||
.include "starring.s"
|
||||
.include "starring_people.s"
|
||||
.include "check_email.s"
|
||||
.align $100
|
||||
.include "gr_offsets.s"
|
||||
.include "gr_hline.s"
|
||||
.include "gr_fast_clear.s"
|
||||
.include "vapor_lock.s"
|
||||
.include "delay_a.s"
|
||||
; .include "wait_keypress.s"
|
||||
.include "random16.s"
|
||||
.align $100
|
||||
.include "fireworks.s"
|
||||
.include "hgr.s"
|
||||
.include "bird_mountain.s"
|
||||
.include "move_letters.s"
|
||||
.align $100
|
||||
.include "wait_keypress.s"
|
||||
.include "mockingboard.s"
|
||||
; .include "random16.s"
|
||||
; .include "hgr.s"
|
||||
; .include "move_letters.s"
|
||||
.include "gr_putsprite.s"
|
||||
.include "mode7.s"
|
||||
.include "space_bars.s"
|
||||
.include "takeoff.s"
|
||||
.include "leaving.s"
|
||||
.include "arrival.s"
|
||||
.include "waterfall.s"
|
||||
.include "text_print.s"
|
||||
.align $100
|
||||
.include "screen_split.s"
|
||||
; .include "text_print.s"
|
||||
; .include "screen_split.s"
|
||||
|
||||
;============================
|
||||
; Include Sprites
|
||||
;============================
|
||||
.align $100
|
||||
.include "tfv_sprites.inc"
|
||||
.include "mode7_sprites.inc"
|
||||
;.align $100
|
||||
; .include "tfv_sprites.inc"
|
||||
; .include "mode7_sprites.inc"
|
||||
|
||||
;=================================
|
||||
; Include Text for Sliding Letters
|
||||
; *DONT CROSS PAGES*
|
||||
;=================================
|
||||
.include "letters.s"
|
||||
;.include "letters.s"
|
||||
|
||||
;============================
|
||||
; Include Lores Graphics
|
||||
; No Alignment Needed
|
||||
;============================
|
||||
|
||||
; falling_apple
|
||||
.include "apple_40_96.inc"
|
||||
|
||||
; starring
|
||||
.include "starring1.inc"
|
||||
.include "starring2.inc"
|
||||
.include "fs.inc"
|
||||
.include "deater.inc"
|
||||
.include "lg.inc"
|
||||
.include "sp_names.inc"
|
||||
|
||||
; e-mail
|
||||
.include "email_40_96.inc"
|
||||
|
||||
; leaving
|
||||
.include "leaving.inc"
|
||||
|
||||
; waterfall
|
||||
.include "waterfall_page1.inc"
|
||||
.include "waterfall_page2.inc"
|
||||
|
||||
; takeoff
|
||||
.include "takeoff.inc"
|
||||
|
||||
; arrival
|
||||
.include "arrival.inc"
|
||||
|
||||
;background:
|
||||
.include "fw_background.inc"
|
||||
|
||||
;============================
|
||||
; Include Hires Graphics
|
||||
; No Alignment Needed
|
||||
@ -191,34 +96,8 @@ apple_iie:
|
||||
;============================
|
||||
|
||||
; starring
|
||||
starring3:
|
||||
.incbin "starring3.img.lz4",11
|
||||
starring3_end:
|
||||
fs_hgr:
|
||||
.incbin "FS_HGRC.BIN.lz4",11
|
||||
fs_hgr_end:
|
||||
deater_hgr:
|
||||
.incbin "DEATER_HGRC.BIN.lz4",11
|
||||
deater_hgr_end:
|
||||
lg_hgr:
|
||||
.incbin "LG_HGRC.BIN.lz4",11
|
||||
lg_hgr_end:
|
||||
|
||||
; bird mountain
|
||||
katahdin:
|
||||
.incbin "KATC.BIN.lz4",11 ; skip the header
|
||||
katahdin_end:
|
||||
|
||||
; takeoff
|
||||
takeoff_hgr:
|
||||
.incbin "takeoff.img.lz4",11
|
||||
takeoff_hgr_end:
|
||||
|
||||
; spacebars
|
||||
sb_background_hgr:
|
||||
.incbin "SB_BACKGROUNDC.BIN.lz4",11
|
||||
sb_background_hgr_end:
|
||||
|
||||
|
||||
wreath_hgr:
|
||||
.incbin "wreath.img.lz4",11
|
||||
wreath_hgr_end:
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user