diff options
Diffstat (limited to 'hdl/core')
| -rw-r--r-- | hdl/core/machine_code.csv | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/hdl/core/machine_code.csv b/hdl/core/machine_code.csv new file mode 100644 index 0000000..1d4c383 --- /dev/null +++ b/hdl/core/machine_code.csv @@ -0,0 +1,48 @@ +name,type,opcode,mode,description,notes +ADD,R,1,u,RD = RS1 + RS2, +ADDC,R,2,u,RD = RS1 + RS2 + FLG[0], +SUB,R,3,u,RD = RS1 - RS2, +SUBC,R,4,u,RD = RS1 - RS2 - FLG[0], +XOR,R,5,u,RD = RS1 ^ RS2, +OR,R,6,u,RD = RS1 | RS2, +AND,R,7,u,RD = RS1 & RS2, +LSL,R,8,u,RD = RS1 << RS2 (logical), +LSR,R,9,u,RD = RS1 >> RS2 (logical), +ASR,R,10,u,RD = RS1 >> RS2, +MULL,R,11,u,RD = (RS1 * RS2) & 0xFFFFFFFF, +MULH,R,12,u,RD = (RS1 * RS2) >> 32, +MULLU,R,13,u,RD = RS1 * RS2 & 0xFFFFFFFF (unsigned), +MULHU,R,14,u,RD = (RS1 * RS2) >> 32 (unsigned), +DIV,R,15,u,RD = RS1 / RS2,not implemented yet +DIVU,R,16,u,RD = RS1 / RS2 (unsigned),not implemented yet +LDW,R,17,u,RD = MEM[RS1 + offset], +LDWR,R,18,u,RD = MEM[RS1 + RS2], +STW,R,19,u,MEM[RS1 + offset] = RS2, +LDB,R,20,u,RD = MEM[RS1 + offset] & 0xFF, +LDBR,R,21,u,RD = MEM[RS1 + RS2] & 0xFF, +STB,R,22,u,MEM[RS1 + offset] = RS2 & 0xFF, +ADDI,I,64,u,RD = RS + IMM, +ADDIC,I,65,u,RD = RS + IMM + FLG[0], +SUBI,I,66,u,RD = RS - IMM, +SUBIC,I,67,u,RD = RS - IMM - FLG[0], +XORI,I,68,u,RD = RS ^ IMM, +ORI,I,69,u,RD = RS | IMM, +ANDI,I,70,u,RD = RS & IMM, +LSLI,I,71,u,RD = RS << IMM (logical), +LSRI,I,72,u,RD = RS >> IMM (logical), +ASRI,I,73,u,RD = RS >> IMM, +MULIL,I,74,u,RD = (RS * IMM) & 0xFFFFFFFF, +MULIH,I,75,u,RD = (RS * IMM) >> 32, +MULIU,I,76,u,RD = (RS * IMM) & 0xFFFFFFFF (unsigned), +MULIUH,I,77,u,RD = (RS * IMM) >> 32 (unsigned), +DIVI,I,78,u,RD = RS / IMM,not implemented yet +DIVUI,I,79,u,RD = RS / IMM (unsigned),not implemented yet +JMP,J,128,u,op depends on machine code, +JMPI,J,129,u,op depends on machine code, +NOP,C,0,u,Do nothing -> opcode = ZERO , +CALL,C,160,u,CS0=IP; IP=CS0, +RET,C,161,u,"IP = CS0, this is implemented using jmp or call instruction", +SCALL,C,162,u,CS0=IP; CS1=SP; CS2=FLG; IP=IDT[6]; SP=CS1; FLG[16]=0; FLG[17]=0;, +INT,C,192,s,CS0=IP; CS1=SP; CS2=FLG; IP=IDT[IMM]; SP=CS1; FLG[16]=0; FLG[17]=0;, +IRET,C,193,s,IP=CS0; SP=CS1; FLG=CS2;, +,,,,, |