268 lines
12 KiB
PHP
268 lines
12 KiB
PHP
// via krom
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//=============
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// N64 Include
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//=============
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// N64 MIPS 4300 CPU Registers
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constant r0(0)
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constant r1(1)
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constant r2(2)
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constant r3(3)
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constant r4(4)
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constant r5(5)
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constant r6(6)
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constant r7(7)
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constant r8(8)
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constant r9(9)
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constant r10(10)
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constant r11(11)
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constant r12(12)
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constant r13(13)
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constant r14(14)
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constant r15(15)
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constant r16(16)
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constant r17(17)
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constant r18(18)
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constant r19(19)
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constant r20(20)
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constant r21(21)
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constant r22(22)
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constant r23(23)
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constant r24(24)
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constant r25(25)
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constant r26(26)
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constant r27(27)
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constant r28(28)
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constant r29(29)
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constant r30(30)
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constant r31(31)
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constant at(1)
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constant v0(2)
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constant v1(3)
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constant a0(4)
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constant a1(5)
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constant a2(6)
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constant a3(7)
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constant t0(8)
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constant t1(9)
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constant t2(10)
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constant t3(11)
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constant t4(12)
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constant t5(13)
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constant t6(14)
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constant t7(15)
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constant s0(16)
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constant s1(17)
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constant s2(18)
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constant s3(19)
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constant s4(20)
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constant s5(21)
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constant s6(22)
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constant s7(23)
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constant t8(24)
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constant t9(25)
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constant k0(26)
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constant k1(27)
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constant gp(28)
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constant sp(29)
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constant s8(30)
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constant ra(31)
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// N64 MIPS 4300 CP1 Floating Point Unit (FPU) Registers (COP1)
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constant f0(0)
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constant f1(1)
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constant f2(2)
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constant f3(3)
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constant f4(4)
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constant f5(5)
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constant f6(6)
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constant f7(7)
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constant f8(8)
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constant f9(9)
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constant f10(10)
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constant f11(11)
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constant f12(12)
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constant f13(13)
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constant f14(14)
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constant f15(15)
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constant f16(16)
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constant f17(17)
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constant f18(18)
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constant f19(19)
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constant f20(20)
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constant f21(21)
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constant f22(22)
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constant f23(23)
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constant f24(24)
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constant f25(25)
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constant f26(26)
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constant f27(27)
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constant f28(28)
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constant f29(29)
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constant f30(30)
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constant f31(31)
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// Memory Map
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constant RDRAM($A000) // $00000000..$003FFFFF RDRAM Memory 4MB ($00000000..$007FFFFF 8MB With Expansion Pak)
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constant RDRAM_BASE($A3F0) // $03F00000..$03F00027 RDRAM Base Register
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constant RDRAM_DEVICE_TYPE($00) // $03F00000..$03F00003 RDRAM: Device Type Register
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constant RDRAM_DEVICE_ID($04) // $03F00004..$03F00007 RDRAM: Device ID Register
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constant RDRAM_DELAY($08) // $03F00008..$03F0000B RDRAM: Delay Register
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constant RDRAM_MODE($0C) // $03F0000C..$03F0000F RDRAM: Mode Register
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constant RDRAM_REF_INTERVAL($10) // $03F00010..$03F00013 RDRAM: Ref Interval Register
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constant RDRAM_REF_ROW($14) // $03F00014..$03F00017 RDRAM: Ref Row Register
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constant RDRAM_RAS_INTERVAL($18) // $03F00018..$03F0001B RDRAM: Ras Interval Register
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constant RDRAM_MIN_INTERVAL($1C) // $03F0001C..$03F0001F RDRAM: Minimum Interval Register
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constant RDRAM_ADDR_SELECT($20) // $03F00020..$03F00023 RDRAM: Address Select Register
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constant RDRAM_DEVICE_MANUF($24) // $03F00024..$03F00027 RDRAM: Device Manufacturer Register
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constant SP_MEM_BASE($A400) // $04000000..$04000FFF SP MEM Base Register
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constant SP_DMEM($0000) // $04000000..$04000FFF SP: RSP DMEM (4096 Bytes)
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constant SP_IMEM($1000) // $04001000..$04001FFF SP: RSP IMEM (4096 Bytes)
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constant SP_BASE($A404) // $04040000..$0404001F SP Base Register
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constant SP_MEM_ADDR($00) // $04040000..$04040003 SP: Master, SP Memory Address Register
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constant SP_DRAM_ADDR($04) // $04040004..$04040007 SP: Slave, SP DRAM DMA Address Register
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constant SP_RD_LEN($08) // $04040008..$0404000B SP: Read DMA Length Register
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constant SP_WR_LEN($0C) // $0404000C..$0404000F SP: Write DMA Length Register
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constant SP_STATUS($10) // $04040010..$04040013 SP: Status Register
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constant SP_DMA_FULL($14) // $04040014..$04040017 SP: DMA Full Register
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constant SP_DMA_BUSY($18) // $04040018..$0404001B SP: DMA Busy Register
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constant SP_SEMAPHORE($1C) // $0404001C..$0404001F SP: Semaphore Register
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constant SP_PC_BASE($A408) // $04080000..$04080007 SP PC Base Register
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constant SP_PC($00) // $04080000..$04080003 SP: PC Register
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constant SP_IBIST_REG($04) // $04080004..$04080007 SP: IMEM BIST Register
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constant DPC_BASE($A410) // $04100000..$0410001F DP Command (DPC) Base Register
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constant DPC_START($00) // $04100000..$04100003 DPC: CMD DMA Start Register
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constant DPC_END($04) // $04100004..$04100007 DPC: CMD DMA End Register
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constant DPC_CURRENT($08) // $04100008..$0410000B DPC: CMD DMA Current Register
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constant DPC_STATUS($0C) // $0410000C..$0410000F DPC: CMD Status Register
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constant DPC_CLOCK($10) // $04100010..$04100013 DPC: Clock Counter Register
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constant DPC_BUFBUSY($14) // $04100014..$04100017 DPC: Buffer Busy Counter Register
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constant DPC_PIPEBUSY($18) // $04100018..$0410001B DPC: Pipe Busy Counter Register
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constant DPC_TMEM($1C) // $0410001C..$0410001F DPC: TMEM Load Counter Register
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constant DPS_BASE($A420) // $04200000..$0420000F DP Span (DPS) Base Register
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constant DPS_TBIST($00) // $04200000..$04200003 DPS: Tmem Bist Register
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constant DPS_TEST_MODE($04) // $04200004..$04200007 DPS: Span Test Mode Register
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constant DPS_BUFTEST_ADDR($08) // $04200008..$0420000B DPS: Span Buffer Test Address Register
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constant DPS_BUFTEST_DATA($0C) // $0420000C..$0420000F DPS: Span Buffer Test Data Register
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constant MI_BASE($A430) // $04300000..$0430000F MIPS Interface (MI) Base Register
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constant MI_INIT_MODE($00) // $04300000..$04300003 MI: Init Mode Register
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constant MI_VERSION($04) // $04300004..$04300007 MI: Version Register
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constant MI_INTR($08) // $04300008..$0430000B MI: Interrupt Register
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constant MI_INTR_MASK($0C) // $0430000C..$0430000F MI: Interrupt Mask Register
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constant VI_BASE($A440) // $04400000..$04400037 Video Interface (VI) Base Register
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constant VI_STATUS($00) // $04400000..$04400003 VI: Status/Control Register
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constant VI_ORIGIN($04) // $04400004..$04400007 VI: Origin Register
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constant VI_WIDTH($08) // $04400008..$0440000B VI: Width Register
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constant VI_V_INTR($0C) // $0440000C..$0440000F VI: Vertical Interrupt Register
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constant VI_V_CURRENT_LINE($10) // $04400010..$04400013 VI: Current Vertical Line Register
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constant VI_TIMING($14) // $04400014..$04400017 VI: Video Timing Register
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constant VI_V_SYNC($18) // $04400018..$0440001B VI: Vertical Sync Register
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constant VI_H_SYNC($1C) // $0440001C..$0440001F VI: Horizontal Sync Register
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constant VI_H_SYNC_LEAP($20) // $04400020..$04400023 VI: Horizontal Sync Leap Register
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constant VI_H_VIDEO($24) // $04400024..$04400027 VI: Horizontal Video Register
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constant VI_V_VIDEO($28) // $04400028..$0440002B VI: Vertical Video Register
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constant VI_V_BURST($2C) // $0440002C..$0440002F VI: Vertical Burst Register
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constant VI_X_SCALE($30) // $04400030..$04400033 VI: X-Scale Register
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constant VI_Y_SCALE($34) // $04400034..$04400037 VI: Y-Scale Register
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constant AI_BASE($A450) // $04500000..$04500017 Audio Interface (AI) Base Register
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constant AI_DRAM_ADDR($00) // $04500000..$04500003 AI: DRAM Address Register
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constant AI_LEN($04) // $04500004..$04500007 AI: Length Register
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constant AI_CONTROL($08) // $04500008..$0450000B AI: Control Register
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constant AI_STATUS($0C) // $0450000C..$0450000F AI: Status Register
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constant AI_DACRATE($10) // $04500010..$04500013 AI: DAC Sample Period Register
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constant AI_BITRATE($14) // $04500014..$04500017 AI: Bit Rate Register
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constant PI_BASE($A460) // $04600000..$04600033 Peripheral Interface (PI) Base Register
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constant PI_DRAM_ADDR($00) // $04600000..$04600003 PI: DRAM Address Register
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constant PI_CART_ADDR($04) // $04600004..$04600007 PI: Pbus (Cartridge) Address Register
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constant PI_RD_LEN($08) // $04600008..$0460000B PI: Read Length Register
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constant PI_WR_LEN($0C) // $0460000C..$0460000F PI: Write length register
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constant PI_STATUS($10) // $04600010..$04600013 PI: Status Register
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constant PI_BSD_DOM1_LAT($14) // $04600014..$04600017 PI: Domain 1 Latency Register
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constant PI_BSD_DOM1_PWD($18) // $04600018..$0460001B PI: Domain 1 Pulse Width Register
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constant PI_BSD_DOM1_PGS($1C) // $0460001C..$0460001F PI: Domain 1 Page Size Register
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constant PI_BSD_DOM1_RLS($20) // $04600020..$04600023 PI: Domain 1 Release Register
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constant PI_BSD_DOM2_LAT($24) // $04600024..$04600027 PI: Domain 2 Latency Register
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constant PI_BSD_DOM2_PWD($28) // $04600028..$0460002B PI: Domain 2 Pulse Width Register
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constant PI_BSD_DOM2_PGS($2C) // $0460002C..$0460002F PI: Domain 2 Page Size Register
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constant PI_BSD_DOM2_RLS($30) // $04600030..$04600033 PI: Domain 2 Release Register
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constant RI_BASE($A470) // $04700000..$0470001F RDRAM Interface (RI) Base Register
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constant RI_MODE($00) // $04700000..$04700003 RI: Mode Register
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constant RI_CONFIG($04) // $04700004..$04700007 RI: Config Register
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constant RI_CURRENT_LOAD($08) // $04700008..$0470000B RI: Current Load Register
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constant RI_SELECT($0C) // $0470000C..$0470000F RI: Select Register
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constant RI_REFRESH($10) // $04700010..$04700013 RI: Refresh Register
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constant RI_LATENCY($14) // $04700014..$04700017 RI: Latency Register
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constant RI_RERROR($18) // $04700018..$0470001B RI: Read Error Register
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constant RI_WERROR($1C) // $0470001C..$0470001F RI: Write Error Register
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constant SI_BASE($A480) // $04800000..$0480001B Serial Interface (SI) Base Register
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constant SI_DRAM_ADDR($00) // $04800000..$04800003 SI: DRAM Address Register
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constant SI_PIF_ADDR_RD64B($04) // $04800004..$04800007 SI: Address Read 64B Register
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//*RESERVED*($08) // $04800008..$0480000B SI: Reserved Register
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//*RESERVED*($0C) // $0480000C..$0480000F SI: Reserved Register
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constant SI_PIF_ADDR_WR64B($10) // $04800010..$04800013 SI: Address Write 64B Register
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//*RESERVED*($14) // $04800014..$04800017 SI: Reserved Register
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constant SI_STATUS($18) // $04800018..$0480001B SI: Status Register
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constant CART_DOM2_ADDR1($A500) // $05000000..$0507FFFF Cartridge Domain 2(Address 1) SRAM
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constant CART_DOM1_ADDR1($A600) // $06000000..$07FFFFFF Cartridge Domain 1(Address 1) 64DD
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constant CART_DOM2_ADDR2($A800) // $08000000..$0FFFFFFF Cartridge Domain 2(Address 2) SRAM
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constant CART_DOM1_ADDR2($B000) // $10000000..$18000803 Cartridge Domain 1(Address 2) ROM
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constant PIF_BASE($BFC0) // $1FC00000..$1FC007BF PIF Base Register
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constant PIF_ROM($000) // $1FC00000..$1FC007BF PIF: Boot ROM
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constant PIF_RAM($7C0) // $1FC007C0..$1FC007FF PIF: RAM (JoyChannel)
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constant PIF_HWORD($7C4) // $1FC007C4..$1FC007C5 PIF: HWORD
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constant PIF_XBYTE($7C6) // $1FC007C6 PIF: Analog X Byte
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constant PIF_YBYTE($7C7) // $1FC007C7 PIF: Analog Y Byte
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constant CART_DOM1_ADDR3($BFD0) // $1FD00000..$7FFFFFFF Cartridge Domain 1 (Address 3)
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constant EXT_SYS_AD($8000) // $80000000..$FFFFFFFF External SysAD Device
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constant VI_NTSC_CLOCK(48681812) // NTSC: Hz = 48.681812 MHz
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constant VI_PAL_CLOCK(49656530) // PAL: Hz = 49.656530 MHz
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constant VI_MPAL_CLOCK(48628316) // MPAL: Hz = 48.628316 MHz
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macro align(size) { // Align Byte Amount
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while (pc() % {size}) {
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db 0
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}
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}
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macro N64_INIT() {
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// enables interrupts on SI and PI.
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// must be done else N64 will stop responding.
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lui a0,PIF_BASE // A0 = PIF Base Register ($BFC00000)
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lli t0,8
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sw t0,PIF_RAM+$3C(a0)
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}
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macro DMA(start, end, dest) { // DMA Data Copy Cart->DRAM: Start Cart Address, End Cart Address, Destination DRAM Address
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lui a0,PI_BASE // A0 = PI Base Register ($A4600000)
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-
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lw t0,PI_STATUS(a0) // T0 = Word From PI Status Register ($A4600010)
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andi t0,3 // AND PI Status With 3
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bnez t0,- // IF TRUE DMA Is Busy
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nop // Delay Slot
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la t0,{dest}&$7FFFFF // T0 = Aligned DRAM Physical RAM Offset ($00000000..$007FFFFF 8MB)
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sw t0,PI_DRAM_ADDR(a0) // Store RAM Offset To PI DRAM Address Register ($A4600000)
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la t0,$10000000|({start}&$3FFFFFF) // T0 = Aligned Cart Physical ROM Offset ($10000000..$13FFFFFF 64MB)
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sw t0,PI_CART_ADDR(a0) // Store ROM Offset To PI Cart Address Register ($A4600004)
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la t0,({end}-{start})-1 // T0 = Length Of DMA Transfer In Bytes - 1
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sw t0,PI_WR_LEN(a0) // Store DMA Length To PI Write Length Register ($A460000C)
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}
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