220 lines
5.3 KiB
NASM
220 lines
5.3 KiB
NASM
.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
|