74 lines
1.9 KiB
NASM
74 lines
1.9 KiB
NASM
; Copyright (c) 1992,1993-1996 Argonaut Technologies Limited. All rights reserved.
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;
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; $Id: setupdat.asm 1.2 1996/12/11 23:14:37 sam Exp $
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; $Locker: $
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;
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; Common data for setup code
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;
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.586p
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.model flat,c
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include setupdat.inc
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.data
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; Convertion values for major and minor edges, indexed by LR/RL flag*8
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;
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; Fixed
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;
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xconv_d16_12 qword 04338000000000000h ; Conv + 0.0
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xconv_d16_m qword 04338000000010000h ; Conv + 1.0
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qword 04338000000000000h ; Conv + 0.0
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; Float
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;
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fconv_d16_12 qword 04238000000000000h ; Conv + 0.0
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fconv_d16_m qword 04238000000010000h ; Conv + 1.0
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qword 04238000000000000h ; Conv + 0.0
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fp_one dword 1.0
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fp_one_fixed dword 65536.0
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fp_rone_fixed dword 0.00001525878906
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fp_conv_dm4 dword (127+52+4) shl 23 + (1 shl 22)
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fp_conv_d dword (127+52-0) shl 23 + (1 shl 22)
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fp_conv_d8 dword (127+52-8) shl 23 + (1 shl 22)
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fp_conv_d12 dword (127+52-12) shl 23 + (1 shl 22)
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fp_conv_d16 dword (127+52-16) shl 23 + (1 shl 22)
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fp_conv_d24 dword (127+52-24) shl 23 + (1 shl 22)
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fp_conv_sm16 dword (127+23+16) shl 23 + (1 shl 22)
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fp_conv_sm8 dword (127+23+8) shl 23 + (1 shl 22)
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fp_conv_s dword (127+23-0) shl 23 + (1 shl 22)
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fp_conv_s8 dword (127+23-8) shl 23 + (1 shl 22)
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; Converts results of comparisons to sort order for vertices
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;
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sort_table_1 dword 1*4
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dword 2*4
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dword 0*4
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sort_table_0 dword 0*4
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dword 0*4
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dword 0*4
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sort_table_2 dword 2*4
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dword 1*4
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dword 0*4
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dword 1*4
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dword 2*4
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dword 0*4
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dword 0*4
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dword 0*4
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; Parity table of 3 bit number
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;
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flip_table dword 000000000h ;000
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dword 080000000h ;001
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dword 080000000h ;010
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dword 000000000h ;011
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dword 080000000h ;100
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dword 000000000h ;101
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dword 000000000h ;110
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dword 080000000h ;111
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end
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