added some more info to ct
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@805 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
fires.gc
parent
627891520c
commit
3d20ad60d9
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@ -9,7 +9,7 @@
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0x0000
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0x0140
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0x0280
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0x0280 // outbuffer left and right... each channel is 0x140 samples long
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0x0400
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0x0540
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0x0680
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@ -23,7 +23,7 @@
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// addresses to buffers
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0x0E08
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0x0E09
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0x0E0A
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0x0E0A // point to output buffer
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0x0E0B
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0x0E0C
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0x0E0D
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@ -358,7 +358,7 @@ Main()
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0161 02bf 0484 CALL 0x0484
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0163 029f 0068 JMP 0x0068 // Return to message loop.
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// DMA something back to RAM
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// Opcode_06()
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0165 8100 CLR $30
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0166 8e00 S40
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@ -544,7 +544,7 @@ Main()
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0267 00de 0e42 LR $30, @0x0e42 // we got here - yes, it's running
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0269 00fe 0e1c SR @0x0e1c, $30
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026b 00c3 0e15 LR $3, @0x0e15
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026d 177f CALLR $3
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026d 177f CALLR $3 // Call the Src Decoder
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026e 8e00 S40
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026f 8a00 M2
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0270 8100 CLR $30
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@ -662,7 +662,7 @@ Main()
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02e7 9e00 MULMV $25, $27, $30
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02e8 6f33 MOVPhS $31 : @$3, $30
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02e9 1b7f SRRI @$3, $31
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02ea 00c3 0e14 LR $3, @0x0e14
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02ea 00c3 0e14 LR $3, @0x0e14 // call the mixer
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02ec 8f00 S16
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02ed 8d00 SET15
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02ee 8a00 M2
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@ -712,7 +712,6 @@ Main()
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032e 00fe 0e41 SR @0x0e41, $30
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0330 00fe 0e43 SR @0x0e43, $30
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0332 8100 CLR $30 // Jumps here when a PB isn't ->running.
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0333 8e00 S40
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0334 8400 CLRP
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0335 8900 CLR $31
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@ -829,7 +828,7 @@ Main()
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03ca 0213 ILRR $30, @$3
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03cb 00fe 0e16 SR @0x0e16, $30
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03cd 00de 0b86 LR $30, @0x0b86
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03cf 009f 0b11 LRI $31, #0x0b11
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03cf 009f 0b11 LRI $31, #0x0b11 // mixer control jmp table base addr
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03d1 4c00 ADD $30, $31
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03d2 1c7e MRR $3, $30
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03d3 0213 ILRR $30, @$3
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@ -885,7 +884,7 @@ Main()
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0423 02bf 0484 CALL 0x0484
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0425 029f 0068 JMP 0x0068 // Return to message loop.
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// DMA soemthing back to RAM
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// Opcode_05() - do another DMA transfer
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0427 8e00 S40
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0428 0086 07c0 LRI $6, #0x07c0
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@ -902,8 +901,11 @@ Main()
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0437 02bf 0484 CALL 0x0484
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0439 029f 0068 JMP 0x0068 // Return to message loop.
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/////////////////////////////////////
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// DMA the sound buffer back to RAM
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// Opcode_14()
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// called by CT
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//
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043b 8c00 CLR15
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043c 8a00 M2
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043d 8100 CLR $30
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@ -1273,7 +1275,7 @@ Main()
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05e0 8c00 CLR15
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05e1 8a00 M2
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05e2 8e00 S40
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05e3 00d8 0e16 LR $24, @0x0e16
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05e3 00d8 0e16 LR $24, @0x0e16 // get COEF Table
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05e5 195b LRRI $27, @$2
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05e6 1959 LRRI $25, @$2
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05e7 8100 CLR $30
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@ -1633,14 +1635,17 @@ Main()
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////////////////////////////////////////////////
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// fn0
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0768 00c0 0e40 LR $0, @0x0e40
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076a 0081 0b89 LRI $1, #0x0b89 // PB mixer settings
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076c 00c2 0e08 LR $2, @0x0e08
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076e 1c62 MRR $3, $2
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076f 00c4 0e41 LR $4, @0x0e41
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0771 00c5 0e09 LR $5, @0x0e09
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// this mixer is used by CrazyTaxi (at least at the beginning)
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// perhaps f<>r mono sample??
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0768 00c0 0e40 LR $0, @0x0e40 // outbuffer ??
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076a 0081 0b89 LRI $1, #0x0b89 // PB->Mixer... struct offset
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076c 00c2 0e08 LR $2, @0x0e08 // left-buffer?
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076e 1c62 MRR $3, $2 // right-buffer?
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076f 00c4 0e41 LR $4, @0x0e41 // delay offset ??
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0771 00c5 0e09 LR $5, @0x0e09 // 0x140 all the time .... could be number of samples
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0773 02bf 80e7 CALL 0x80e7 // Call ROM mixer function
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0775 00f8 0ba9 SR @0x0ba9, $24
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0775 00f8 0ba9 SR @0x0ba9, $24 // mixer unknown stuff
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0777 00fb 0bac SR @0x0bac, $27
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0779 02df RET
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@ -2560,11 +2565,12 @@ Main()
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//////////////////////////////////////////////////////////////////////////////
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// Jmp table for function below (what ever it does :))
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0c8d 0c9f LRIS $28, #0x9f
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0c8e 0ca2 LRIS $28, #0xa2
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0c8f 0cda LRIS $28, #0xda
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0c90 0cdd LRIS $28, #0xdd
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// Jmp table for function below
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// i think case 0x03 is the standard case
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0c8d 0c9f LRIS $28, #0x9f // some kind of soft-reset for the UCode
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0c8e 0ca2 LRIS $28, #0xa2 // looks like code to dump the UCode memory for debugging
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0c8f 0cda LRIS $28, #0xda // rest the UCode and jump to ROM
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0c90 0cdd LRIS $28, #0xdd // normal case to return to the main-loop
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// Mix and write back to RAM??? It is called by AXLIST_END command only
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