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add more CP0 constants

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Connor Olding 2018-08-18 16:59:16 +02:00
parent cb786efd21
commit d2bd02cecf
1 changed files with 40 additions and 0 deletions
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n64.inc
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@ -152,6 +152,8 @@ constant CP0_STATUS_IM6($4000) // Interrupt Mask 6 (External)
constant CP0_STATUS_IM7($8000) // Interrupt Mask 7 (External)
constant CP0_STATUS_IM_ALL($FF01) // enable all interrupts
// note that these are all masks.
constant CP0_CAUSE_CODE($007C) // actually supposed to be called ExcCode
constant CP0_CAUSE_IP0($0100) // Interrupt Pending 0 (Software)
constant CP0_CAUSE_IP1($0200) // Interrupt Pending 1 (Software)
constant CP0_CAUSE_IP2($0400) // Interrupt Pending 2 (External)
@ -160,6 +162,44 @@ constant CP0_CAUSE_IP4($1000) // Interrupt Pending 4 (External)
constant CP0_CAUSE_IP5($2000) // Interrupt Pending 5 (External)
constant CP0_CAUSE_IP6($4000) // Interrupt Pending 6 (External)
constant CP0_CAUSE_IP7($8000) // Interrupt Pending 7 (External)
// upper halfword:
constant CP0_CAUSE_CE($30000000) // Coprocessor Error
constant CP0_CAUSE_BD($80000000) // Branch Delay (not an exception, just info)
// note that these constants are shifted left 2 into the Cause register,
// so you must unshift the value from the register before comparing them.
constant CP0_CODE_INT(0) // Interrupt
constant CP0_CODE_MOD(1) // TLB modification exception
constant CP0_CODE_TLBL(2) // TLB Exception (Load or instruction fetch)
constant CP0_CODE_TLBS(3) // TLB Exception (Store)
constant CP0_CODE_ADEL(4) // Address Error Exception (Load or instruction fetch)
constant CP0_CODE_ADES(5) // Address Error Exception (Store)
constant CP0_CODE_IBE(6) // Bus Error Exception (instruction fetch)
constant CP0_CODE_DBE(7) // Bus Error Exception (data reference: load or store)
constant CP0_CODE_SYS(8) // SysCall Exception
constant CP0_CODE_BP(9) // Breakpoint Exception
constant CP0_CODE_RI(10) // Reserved instruction Exception
constant CP0_CODE_CPU(11) // Coprocessor Unusable Exception
constant CP0_CODE_OV(12) // Arithmetic Overflow Exception
constant CP0_CODE_TR(13) // Trap Exception
constant CP0_CODE_RESERVED_14(14)
constant CP0_CODE_FPE(15) // Floating Point Exception
constant CP0_CODE_RESERVED_16(16)
constant CP0_CODE_RESERVED_17(17)
constant CP0_CODE_RESERVED_18(18)
constant CP0_CODE_RESERVED_19(19)
constant CP0_CODE_RESERVED_20(20)
constant CP0_CODE_RESERVED_21(21)
constant CP0_CODE_RESERVED_22(22)
constant CP0_CODE_WATCH(23) // Reference to WatchHi/WatchLo address
constant CP0_CODE_RESERVED_24(24)
constant CP0_CODE_RESERVED_25(25)
constant CP0_CODE_RESERVED_26(26)
constant CP0_CODE_RESERVED_27(27)
constant CP0_CODE_RESERVED_28(28)
constant CP0_CODE_RESERVED_29(29)
constant CP0_CODE_RESERVED_30(30)
constant CP0_CODE_RESERVED_31(31)
// Memory Map
constant RDRAM($A000) // $00000000..$003FFFFF RDRAM Memory 4MB ($00000000..$007FFFFF 8MB With Expansion Pak)