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thug/Code/Gfx/NGPS/NX/vu1/main.vsm

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thug1src
2016-02-13 21:39:12 +00:00
; <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͻ
; <09> tag format <20>
; <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ
;
; This follows GIFtag format (EE User's Manual section 7.2.2), but with some added fields.
;
;
;
; 31 30 23 22 16 15 14 0
; <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ
; <09>0 <20> STEP exponent <20> STEP mantissa <20>EOP NLOOP <20>
; <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
;
;
; 63 60 59 58 57 47 46 45 43 42 32
; <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ
; <09> NREG <20> FLG <20> PRIM <20>PRE <20> ADDR <20>
; <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
;
;
; 95 76 75 72 71 68 67 64
; <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ
; <09> ... <20> [REG2] <20> [REG1] <20> REG0 <20>
; <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
;
;
; 127 112 111 96
; <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ
; <09> <20> SIZE <20>
; <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
;
;
;
Init: NOP[E] IADDIU VI02,VI00,0 ; initialise VI02
NOP NOP
ProcessPacket:
NOP LQI VF01,(VI02++) ; get 1st tag
NOP ISUBIU VI13,VI02,1 ; VI13 = start address of current packet
NOP IADDIU VI15,VI00,0 ; set EOP=0
NOP XITOP VI14 ; get run-time render flags from VIF1_ITOP
MainLoop:
NOP IBLTZ VI15,KickPacket ; kick if EOP==1
ADDw VF02,VF01,VF00w MTIR VI01,VF01y ; VI01 = ADDR, jumptable address. 'ADDw' is for extracting STEP
NOP MTIR VI15,VF01x ; VI15 = EOP:NLOOP
NOP MTIR VI06,VF01w ; VI06 = SIZE = NREG*NLOOP, size of prim (excl. tag)
NOP IADD VI05,VI02,VI06 ; VI05 = end pointer for prim
NOP JR VI01 ; jump via jumptable
NOP MTIR VI04,VF02x ; VI04 = STEP (branch delay slot)
KickPacket:
; kick and stop
NOP[E] XGKICK VI13 ; kick the processed packet to the GS
NOP ISUBIU VI02,VI02,1 ; undo last postincrement (so VI02 points to next packet)
NextPrim:
NOP LQI VF01,(VI02++) ; get next tag
NOP B MainLoop ; loop
NOP NOP
; SIZE field must be NREG*NLOOP - 1
; STEP mantissa must generate the value n*3-27 where VFn is the first reg in the context
VU1Context:
NOP IADDIU VI01,VI04,VU1Context; eventually optimise this away and just do...
NOP JR VI01 ; JR VI04
SUBA.w ACC,VF00,VF00 LOI 0x44800000 ; 2^10
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF10,(VI02++)
NOP LOI 0x45000000 ; 2^11
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF11,(VI02++)
NOP LOI 0x45800000 ; 2^12
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF12,(VI02++)
NOP LOI 0x46000000 ; 2^13
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF13,(VI02++)
NOP LOI 0x46800000 ; 2^14
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF14,(VI02++)
NOP LOI 0x47000000 ; 2^15
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF15,(VI02++)
NOP LOI 0x47800000 ; 2^16
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF16,(VI02++)
NOP LOI 0x48000000 ; 2^17
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF17,(VI02++)
NOP LOI 0x48800000 ; 2^18
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF18,(VI02++)
NOP LOI 0x49000000 ; 2^19
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF19,(VI02++)
NOP LOI 0x49800000 ; 2^20
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF20,(VI02++)
NOP LOI 0x4A000000 ; 2^21
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF21,(VI02++)
NOP LOI 0x4A800000 ; 2^22
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF22,(VI02++)
NOP LOI 0x4B000000 ; 2^23
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF23,(VI02++)
NOP LOI 0x4B800000 ; 2^24
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF24,(VI02++)
NOP LOI 0x4C000000 ; 2^25
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF25,(VI02++)
NOP LOI 0x4C800000 ; 2^26
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF26,(VI02++)
NOP LOI 0x4D000000 ; 2^27
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF27,(VI02++)
NOP LOI 0x4D800000 ; 2^28
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF28,(VI02++)
NOP LOI 0x4E000000 ; 2^29
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF29,(VI02++)
NOP LOI 0x4E800000 ; 2^30
NOP IBEQ VI02,VI05,NextPrim
MADDAi.w ACC,VF00,I LQI VF30,(VI02++)
NOP LOI 0x4F000000 ; 2^31
NOP B NextPrim
MADDAi.w ACC,VF00,I LQI VF31,(VI02++)
GSContext:
NOP LQ VF01,0(VI05)
NOP B MainLoop
NOP IADDIU VI02,VI05,1
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