dos33fsprogs/demosplash/NOTES

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TODO:
CYCLE: Apple II intro
+ Remove keyboard pause
CYCLE: MISSING notice
+ Add missing text
+ Autogen the active background code
PLAIN: Hollowed out book
+ Meanwhile on a distant starbase, a prisoner
receives a mysterious package...
+ Draw this sequence
PLAIN: STARBASE OOTW sequence
+ Update graphics
+ Update backgrounds
+ Time things
+ Ship flame (from last year's demo)
CYCLES: ESCAPE ship sequence
+ Read keypress from file
+ Add music playing
PLAIN? BOOK READING
CYCLES: CREDITS
2019-10-15 04:27:27 +00:00
14 * 256 = 3.5k, 4.2s
* 5 =17.5k, 21s
compact=11
11*256=2.75k
* 6 = 16.5k, 25s
30 unique tracks
64*4=256
0=A_low
1=A_high (half)
2=B_low
3=B_high (half)
4=C_low
5=C_high (half)
6=Noise (5bits)
7=enable
8=A_amp (4+envelope)
9=B_amp (4+envelope)
10=C_amp (4+envelope)
11=EnvelopeL
12=EnvelopeH
13=Envelope_Shape (half)
0 1 0 1 2 3 2 4
5 6 7 8 9 10 9 11
12 13 14 15 19 16 17 18
20 21 22 23 24 25 30 26
27 28 29
35 segments = 64*3= 192 bytes each, 3.2s*35 = 112 1:52s
; Possible solution
; Text message transition
; if 15%, can decode 6 frames for each one played?
;
2:07
:30 to start of actual music
:43 start upbeat
1:30 end of second blank spot
loop
cyc APPLE II logo (pixel transition)
cyc AGT FROGYSUE
BOOK w GUN
STARBASE
cyc ESCAPE
message about book?
cyc BOOK
cyc CREDITS
4*11*256=11k
Memory Map
~~~~~~~~~~
0000-00ff zero page
0100-01ff stack
2019-11-04 14:56:16 +00:00
0200 fake store for graphics update
0200-02ff ?????
2019-11-06 02:20:11 +00:00
0300-03ff irq vectors (also loader, nibble table)
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0400-07FF lores page1
0800-0bff lores page2
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0c00-0fff (used as page3) (also loader 200 )
1000-13ff (used for background masks) (also loader 1000-12ff)
2019-11-08 03:26:59 +00:00
1400-???? executable (33792 bytes)
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2019-11-08 03:26:59 +00:00
9800-bfff graphics lookup / audio buffer
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c000-cfff I/O
2019-11-06 02:20:11 +00:00
d000-ffff ROM (language card: music)
2019-10-15 04:27:27 +00:00
Size:
base+music+a2intro = 10k (compress to 6k)
+ missing = additional 10k
missing = 20k, comment out displaycode 12k, so 8k of display code