ref: b10d6e123329a38a29030744bf232ac03387cee5
dir: /ref_soft/r_varsa.asm/
.386P .model FLAT ; ; d_varsa.s ; include qasm.inc include d_if.inc if id386 _DATA SEGMENT ;------------------------------------------------------- ; ASM-only variables ;------------------------------------------------------- public float_1, float_particle_z_clip, float_point5 public float_minus_1, float_0 float_0 dd 0.0 float_1 dd 1.0 float_minus_1 dd -1.0 float_particle_z_clip dd PARTICLE_Z_CLIP float_point5 dd 0.5 public fp_16, fp_64k, fp_1m, fp_64kx64k public fp_1m_minus_1 public fp_8 fp_1m dd 1048576.0 fp_1m_minus_1 dd 1048575.0 fp_64k dd 65536.0 fp_8 dd 8.0 fp_16 dd 16.0 fp_64kx64k dd 04f000000h ; (float)0x8000*0x10000 public FloatZero, Float2ToThe31nd, FloatMinus2ToThe31nd FloatZero dd 0 Float2ToThe31nd dd 04f000000h FloatMinus2ToThe31nd dd 0cf000000h public _r_bmodelactive _r_bmodelactive dd 0 ;------------------------------------------------------- ; global refresh variables ;------------------------------------------------------- ; FIXME: put all refresh variables into one contiguous block. Make into one ; big structure, like cl or sv? align 4 public _d_sdivzstepu public _d_tdivzstepu public _d_zistepu public _d_sdivzstepv public _d_tdivzstepv public _d_zistepv public _d_sdivzorigin public _d_tdivzorigin public _d_ziorigin _d_sdivzstepu dd 0 _d_tdivzstepu dd 0 _d_zistepu dd 0 _d_sdivzstepv dd 0 _d_tdivzstepv dd 0 _d_zistepv dd 0 _d_sdivzorigin dd 0 _d_tdivzorigin dd 0 _d_ziorigin dd 0 public _sadjust public _tadjust public _bbextents public _bbextentt _sadjust dd 0 _tadjust dd 0 _bbextents dd 0 _bbextentt dd 0 public _cacheblock public _d_viewbuffer public _cachewidth public _d_pzbuffer public _d_zrowbytes public _d_zwidth _cacheblock dd 0 _cachewidth dd 0 _d_viewbuffer dd 0 _d_pzbuffer dd 0 _d_zrowbytes dd 0 _d_zwidth dd 0 ;------------------------------------------------------- ; ASM-only variables ;------------------------------------------------------- public izi izi dd 0 public pbase, s, t, sfracf, tfracf, snext, tnext public spancountminus1, zi16stepu, sdivz16stepu, tdivz16stepu public zi8stepu, sdivz8stepu, tdivz8stepu, pz s dd 0 t dd 0 snext dd 0 tnext dd 0 sfracf dd 0 tfracf dd 0 pbase dd 0 zi8stepu dd 0 sdivz8stepu dd 0 tdivz8stepu dd 0 zi16stepu dd 0 sdivz16stepu dd 0 tdivz16stepu dd 0 spancountminus1 dd 0 pz dd 0 public izistep izistep dd 0 ;------------------------------------------------------- ; local variables for d_draw16.s ;------------------------------------------------------- public reciprocal_table_16, entryvec_table_16 ; 1/2, 1/3, 1/4, 1/5, 1/6, 1/7, 1/8, 1/9, 1/10, 1/11, 1/12, 1/13, ; 1/14, and 1/15 in 0.32 form reciprocal_table_16 dd 040000000h, 02aaaaaaah, 020000000h dd 019999999h, 015555555h, 012492492h dd 010000000h, 0e38e38eh, 0ccccccch, 0ba2e8bah dd 0aaaaaaah, 09d89d89h, 09249249h, 08888888h externdef Entry2_16:dword externdef Entry3_16:dword externdef Entry4_16:dword externdef Entry5_16:dword externdef Entry6_16:dword externdef Entry7_16:dword externdef Entry8_16:dword externdef Entry9_16:dword externdef Entry10_16:dword externdef Entry11_16:dword externdef Entry12_16:dword externdef Entry13_16:dword externdef Entry14_16:dword externdef Entry15_16:dword externdef Entry16_16:dword entryvec_table_16 dd 0, Entry2_16, Entry3_16, Entry4_16 dd Entry5_16, Entry6_16, Entry7_16, Entry8_16 dd Entry9_16, Entry10_16, Entry11_16, Entry12_16 dd Entry13_16, Entry14_16, Entry15_16, Entry16_16 ;------------------------------------------------------- ; local variables for d_parta.s ;------------------------------------------------------- public DP_Count, DP_u, DP_v, DP_32768, DP_Color, DP_Pix DP_Count dd 0 DP_u dd 0 DP_v dd 0 DP_32768 dd 32768.0 DP_Color dd 0 DP_Pix dd 0 ;externdef DP_1x1:dword ;externdef DP_2x2:dword ;externdef DP_3x3:dword ;externdef DP_4x4:dword ;DP_EntryTable dd DP_1x1, DP_2x2, DP_3x3, DP_4x4 ; ; advancetable is 8 bytes, but points to the middle of that range so negative ; offsets will work ; public advancetable, sstep, tstep, pspantemp, counttemp, jumptemp advancetable dd 0, 0 sstep dd 0 tstep dd 0 pspantemp dd 0 counttemp dd 0 jumptemp dd 0 ; 1/2, 1/3, 1/4, 1/5, 1/6, and 1/7 in 0.32 form ; public reciprocal_table, entryvec_table reciprocal_table dd 040000000h, 02aaaaaaah, 020000000h dd 019999999h, 015555555h, 012492492h ; externdef Entry2_8:dword ; externdef Entry3_8:dword ; externdef Entry4_8:dword ; externdef Entry5_8:dword ; externdef Entry6_8:dword ; externdef Entry7_8:dword ; externdef Entry8_8:dword ;entryvec_table dd 0, Entry2_8, Entry3_8, Entry4_8 ; dd Entry5_8, Entry6_8, Entry7_8, Entry8_8 externdef Spr8Entry2_8:dword externdef Spr8Entry3_8:dword externdef Spr8Entry4_8:dword externdef Spr8Entry5_8:dword externdef Spr8Entry6_8:dword externdef Spr8Entry7_8:dword externdef Spr8Entry8_8:dword public spr8entryvec_table spr8entryvec_table dd 0, Spr8Entry2_8, Spr8Entry3_8, Spr8Entry4_8 dd Spr8Entry5_8, Spr8Entry6_8, Spr8Entry7_8, Spr8Entry8_8 _DATA ENDS endif ; id386 END