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ds: work on missing
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@ -53,6 +53,7 @@ musictest.o: musictest.s \
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pt3_lib_init.s pt3_lib_core.s pt3_lib_mockingboard.s \
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pt3_lib_play_frame.s pt3_lib_write_frame.s \
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interrupt_handler.s \
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missing.s missing_screen_update.s \
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dya_space_demo2.pt3
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ca65 -o musictest.o musictest.s -l musictest.lst
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90
demosplash/NOTES
Normal file
90
demosplash/NOTES
Normal file
@ -0,0 +1,90 @@
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14 * 256 = 3.5k, 4.2s
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* 5 =17.5k, 21s
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compact=11
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11*256=2.75k
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* 6 = 16.5k, 25s
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30 unique tracks
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64*4=256
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0=A_low
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1=A_high (half)
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2=B_low
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3=B_high (half)
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4=C_low
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5=C_high (half)
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6=Noise (5bits)
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7=enable
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8=A_amp (4+envelope)
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9=B_amp (4+envelope)
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10=C_amp (4+envelope)
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11=EnvelopeL
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12=EnvelopeH
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13=Envelope_Shape (half)
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0 1 0 1 2 3 2 4
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5 6 7 8 9 10 9 11
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12 13 14 15 19 16 17 18
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20 21 22 23 24 25 30 26
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27 28 29
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35 segments = 64*3= 192 bytes each, 3.2s*35 = 112 1:52s
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; Possible solution
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; Text message transition
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; if 15%, can decode 6 frames for each one played?
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;
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2:07
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:30 to start of actual music
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:43 start upbeat
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1:30 end of second blank spot
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loop
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cyc APPLE II logo (pixel transition)
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cyc AGT FROGYSUE
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BOOK w GUN
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STARBASE
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cyc ESCAPE
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message about book?
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cyc BOOK
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cyc CREDITS
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4*11*256=11k
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Memory Map
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~~~~~~~~~~
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0000-00ff zero page
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0100-01ff stack
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0200-02ff ?????
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0300-03ff nibble table, irq vectors
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0400-07FF lores page1
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0800-0bff lores page2
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0c00-0fff (used as page3)
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1400-16ff Loader
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1700-???? executable
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9000-bfff audio buffer
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c000-cfff I/O
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d000-ffff ROM
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Size:
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base+music+a2intro = 10k (compress to 6k)
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+ missing = additional 10k
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missing = 20k, comment out displaycode 12k, so 8k of display code
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@ -53,6 +53,8 @@ gr_copy_line:
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dey ; decrement pointer ; 2
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bpl gr_copy_line ; ; 2nt/3
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gr_copy_line_end:
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rts ; 6
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.assert >gr_copy_line = >gr_copy_line_end, error, "gr_copy_to_current crosses page"
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3363
demosplash/missing.s
3363
demosplash/missing.s
File diff suppressed because it is too large
Load Diff
3368
demosplash/missing_screen_update.s
Normal file
3368
demosplash/missing_screen_update.s
Normal file
File diff suppressed because it is too large
Load Diff
@ -90,7 +90,19 @@ frame_decode_loop:
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; apple II intro
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;============================
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jsr appleII_intro
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nop
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nop
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nop
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; jsr appleII_intro
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;===========================
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; missing scene
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;===========================
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jsr missing_intro
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;===========================
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; show some pictures
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@ -101,11 +113,7 @@ frame_decode_loop:
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; cli ; enable interrupts
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;===========================
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; missing scene
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;===========================
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; jsr missing_intro
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;===========================
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; starbase scene
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@ -147,6 +155,8 @@ wait_until_keypressed:
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; Apple II intro
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.include "appleII_intro.s"
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.include "appleII_40_96.inc"
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.align $100
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.include "vapor_lock.s"
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.include "delay_a.s"
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.include "gr_unrle.s"
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@ -163,7 +173,7 @@ wait_until_keypressed:
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; missing
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;.include "missing.s"
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.include "missing.s"
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; Starbase
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;.include "starbase.s"
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