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Beepola V1.08.01 patch by NaLex
NaLex
February 2017
in
Announcements
It is patched Beepola V1.08.01 with the corrected A4 tone in the Special FX engine (same as in the Orfeus).
Beepola patch by NaLex
Thanked by
2
Alessandro Grussu
Ast_A_Moore
Comments
Ast_A_Moore
March 2017
Hey, thanks! That note has been bothering me for a long, long time!
Every man should plant a tree, build a house, and write a ZX Spectrum game.
Author of
A Yankee in Iraq
, a 50 fps shoot-’em-up—the first game to utilize the floating bus on the +2A/+3,
and
zasm Z80 Assembler syntax highlighter
.
Member of the team that
discovered, analyzed, and detailed
the
floating bus behavior
on the ZX Spectrum +2A/+3.
A few
Spectrum game fixes
.
NaLex
May 2017
edited May 2017
Beepola patch by NaLex
Patched A4 tone in the Special FX engine:
0022C058: 42(B) -> 41(A)
003A72E7: 1B -> 1A
Based on Orfeus table:
Special FX (Beepola) table
EE E1 D4 C8 BD B2 A8 9F 96 8E 86 7E 77 70 6A 64
5E 59 54 4F 4B 47 43 3F 3B 38 35 32 2F 2C 2A 27
25 23 21 1F 1D 1C 1B 19 17 16 15 13 12 11 10 0F
0E 0D 0C 01 00 CC 82 00 00 C6 82 D1 82 12 70 80
Orfeus table
EE E1 D4 C8 BD B2 A8 9F 96 8E 86 7E 77 70 6A 64
5E 59 54 4F 4B 47 43 3F 3B 38 35 32 2F 2C 2A 27
25 23 21 1F 1D 1C 1A 19 17 16 15 13 12 11 10 0F
0E 0E 0D 0C 0B 0B 0A 09 09 08 08 07 E5 8A 62 8F
Post edited by NaLex on
May 2017
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Comments
Author of A Yankee in Iraq, a 50 fps shoot-’em-up—the first game to utilize the floating bus on the +2A/+3,
and zasm Z80 Assembler syntax highlighter.
Member of the team that discovered, analyzed, and detailed the floating bus behavior on the ZX Spectrum +2A/+3.
A few Spectrum game fixes.
Patched A4 tone in the Special FX engine:
0022C058: 42(B) -> 41(A)
003A72E7: 1B -> 1A
Based on Orfeus table:
Special FX (Beepola) table
EE E1 D4 C8 BD B2 A8 9F 96 8E 86 7E 77 70 6A 64
5E 59 54 4F 4B 47 43 3F 3B 38 35 32 2F 2C 2A 27
25 23 21 1F 1D 1C 1B 19 17 16 15 13 12 11 10 0F
0E 0D 0C 01 00 CC 82 00 00 C6 82 D1 82 12 70 80
Orfeus table
EE E1 D4 C8 BD B2 A8 9F 96 8E 86 7E 77 70 6A 64
5E 59 54 4F 4B 47 43 3F 3B 38 35 32 2F 2C 2A 27
25 23 21 1F 1D 1C 1A 19 17 16 15 13 12 11 10 0F
0E 0E 0D 0C 0B 0B 0A 09 09 08 08 07 E5 8A 62 8F