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NOIZE27 by Napalm
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popularity : 44% |
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alltime top: #63442 |
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added on the 2024-02-11 10:59:15 by wiRe  |
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4-color CGA works very well to show some TV screen full of static snow. noize comes from a linear feedback shift register (LFSR), repeating after approx. 2^24 iterations. all implemented within 27 bytes.
Code:
00000100 B004 mov al,0x4
00000102 CD10 int 0x10
00000104 6800BA push word 0xba00
00000107 1F pop ds
00000108 0FBAF30C btr bx,byte 0xc
0000010C D6 salc
0000010D 98 cbw
0000010E 31C8 xor ax,cx
00000110 9E sahf
00000111 D1D1 rcl cx,1
00000113 D1D3 rcl bx,1
00000115 310F xor [bx],cx
00000117 E661 out 0x61,al
00000119 EBED jmp short 0x108noise noise
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