thirtyflightsofloving/linux/r_varsa.s
2019-03-13 15:20:07 -04:00

223 lines
5.2 KiB
ArmAsm

//
// r_varsa.s
//
#include "qasm.h"
#include "d_ifacea.h"
#if id386
.data
//-------------------------------------------------------
// ASM-only variables
//-------------------------------------------------------
.globl float_1, float_particle_z_clip, float_point5
.globl float_minus_1, float_0
float_0: .single 0.0
float_1: .single 1.0
float_minus_1: .single -1.0
float_particle_z_clip: .single PARTICLE_Z_CLIP
float_point5: .single 0.5
.globl fp_16, fp_64k, fp_1m, fp_64kx64k
.globl fp_1m_minus_1
.globl fp_8
fp_1m: .single 1048576.0
fp_1m_minus_1: .single 1048575.0
fp_64k: .single 65536.0
fp_8: .single 8.0
fp_16: .single 16.0
fp_64kx64k: .long 0x4f000000 // (float)0x8000*0x10000
.globl FloatZero, Float2ToThe31nd, FloatMinus2ToThe31nd
FloatZero: .long 0
Float2ToThe31nd: .long 0x4f000000
FloatMinus2ToThe31nd: .long 0xcf000000
.globl C(r_bmodelactive)
C(r_bmodelactive): .long 0
//-------------------------------------------------------
// global refresh variables
//-------------------------------------------------------
// FIXME: put all refresh variables into one contiguous block. Make into one
// big structure, like cl or sv?
.align 4
.globl C(d_sdivzstepu)
.globl C(d_tdivzstepu)
.globl C(d_zistepu)
.globl C(d_sdivzstepv)
.globl C(d_tdivzstepv)
.globl C(d_zistepv)
.globl C(d_sdivzorigin)
.globl C(d_tdivzorigin)
.globl C(d_ziorigin)
C(d_sdivzstepu): .single 0
C(d_tdivzstepu): .single 0
C(d_zistepu): .single 0
C(d_sdivzstepv): .single 0
C(d_tdivzstepv): .single 0
C(d_zistepv): .single 0
C(d_sdivzorigin): .single 0
C(d_tdivzorigin): .single 0
C(d_ziorigin): .single 0
.globl C(sadjust)
.globl C(tadjust)
.globl C(bbextents)
.globl C(bbextentt)
C(sadjust): .long 0
C(tadjust): .long 0
C(bbextents): .long 0
C(bbextentt): .long 0
.globl C(cacheblock)
.globl C(d_viewbuffer)
.globl C(cachewidth)
.globl C(d_pzbuffer)
.globl C(d_zrowbytes)
.globl C(d_zwidth)
C(cacheblock): .long 0
C(cachewidth): .long 0
C(d_viewbuffer): .long 0
C(d_pzbuffer): .long 0
C(d_zrowbytes): .long 0
C(d_zwidth): .long 0
//-------------------------------------------------------
// ASM-only variables
//-------------------------------------------------------
.globl izi
izi: .long 0
.globl pbase, s, t, sfracf, tfracf, snext, tnext
.globl spancountminus1, zi16stepu, sdivz16stepu, tdivz16stepu
.globl zi8stepu, sdivz8stepu, tdivz8stepu, pz
s: .long 0
t: .long 0
snext: .long 0
tnext: .long 0
sfracf: .long 0
tfracf: .long 0
pbase: .long 0
zi8stepu: .long 0
sdivz8stepu: .long 0
tdivz8stepu: .long 0
zi16stepu: .long 0
sdivz16stepu: .long 0
tdivz16stepu: .long 0
spancountminus1: .long 0
pz: .long 0
.globl izistep
izistep: .long 0
//-------------------------------------------------------
// local variables for d_draw16.s
//-------------------------------------------------------
.globl 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: .long 0x40000000, 0x2aaaaaaa, 0x20000000
.long 0x19999999, 0x15555555, 0x12492492
.long 0x10000000, 0xe38e38e, 0xccccccc, 0xba2e8ba
.long 0xaaaaaaa, 0x9d89d89, 0x9249249, 0x8888888
#ifndef NeXT
.extern Entry2_16
.extern Entry3_16
.extern Entry4_16
.extern Entry5_16
.extern Entry6_16
.extern Entry7_16
.extern Entry8_16
.extern Entry9_16
.extern Entry10_16
.extern Entry11_16
.extern Entry12_16
.extern Entry13_16
.extern Entry14_16
.extern Entry15_16
.extern Entry16_16
#endif
entryvec_table_16: .long 0, Entry2_16, Entry3_16, Entry4_16
.long Entry5_16, Entry6_16, Entry7_16, Entry8_16
.long Entry9_16, Entry10_16, Entry11_16, Entry12_16
.long Entry13_16, Entry14_16, Entry15_16, Entry16_16
//-------------------------------------------------------
// local variables for d_parta.s
//-------------------------------------------------------
.globl DP_Count, DP_u, DP_v, DP_32768, DP_Color, DP_Pix, DP_EntryTable
DP_Count: .long 0
DP_u: .long 0
DP_v: .long 0
DP_32768: .single 32768.0
DP_Color: .long 0
DP_Pix: .long 0
#if 0
.extern DP_1x1
.extern DP_2x2
.extern DP_3x3
.extern DP_4x4
DP_EntryTable: .long DP_1x1, DP_2x2, DP_3x3, DP_4x4
#endif
//
// advancetable is 8 bytes, but points to the middle of that range so negative
// offsets will work
//
.globl advancetable, sstep, tstep, pspantemp, counttemp, jumptemp
advancetable: .long 0, 0
sstep: .long 0
tstep: .long 0
pspantemp: .long 0
counttemp: .long 0
jumptemp: .long 0
// 1/2, 1/3, 1/4, 1/5, 1/6, and 1/7 in 0.32 form
.globl reciprocal_table, entryvec_table
reciprocal_table: .long 0x40000000, 0x2aaaaaaa, 0x20000000
.long 0x19999999, 0x15555555, 0x12492492
#if 0
.extern Entry2_8
.extern Entry3_8
.extern Entry4_8
.extern Entry5_8
.extern Entry6_8
.extern Entry7_8
.extern Entry8_8
entryvec_table: .long 0, Entry2_8, Entry3_8, Entry4_8
.long Entry5_8, Entry6_8, Entry7_8, Entry8_8
#endif
#ifndef NeXT
.extern Spr8Entry2_8
.extern Spr8Entry3_8
.extern Spr8Entry4_8
.extern Spr8Entry5_8
.extern Spr8Entry6_8
.extern Spr8Entry7_8
.extern Spr8Entry8_8
#endif
.globl spr8entryvec_table
spr8entryvec_table: .long 0, Spr8Entry2_8, Spr8Entry3_8, Spr8Entry4_8
.long Spr8Entry5_8, Spr8Entry6_8, Spr8Entry7_8, Spr8Entry8_8
#endif // id386