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Added opcodes for MOV and ability for instructions to hold registers

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Pretty simple implementation
This commit is contained in:
Aryadev Chavali
2023-10-15 21:02:40 +01:00
parent 33aa62634a
commit 56c545e7c9
1 changed files with 16 additions and 1 deletions
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17
src/inst.h
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@@ -23,15 +23,21 @@ typedef enum
OP_PUSH_WORD = 0b0101, OP_PUSH_WORD = 0b0101,
OP_PUSH_FLOAT = 0b1001, OP_PUSH_FLOAT = 0b1001,
OP_MOV_BYTE = 0b0010,
OP_MOV_WORD = 0b0110,
OP_MOV_FLOAT = 0b1010,
OP_HALT, OP_HALT,
} opcode_t; } opcode_t;
#define OPCODE_IS_PUSH(OPCODE) (((OPCODE)&1) == 1) #define OPCODE_IS_PUSH(OPCODE) (((OPCODE)&0b1) == 0b1)
#define OPCODE_IS_MOV(OPCODE) (((OPCODE)&0b10) == 0b10)
typedef struct typedef struct
{ {
opcode_t opcode; opcode_t opcode;
data_t operand; data_t operand;
word reg;
} inst_t; } inst_t;
#define INST_BPUSH(BYTE) \ #define INST_BPUSH(BYTE) \
@@ -43,4 +49,13 @@ typedef struct
#define INST_FPUSH(FLOAT) \ #define INST_FPUSH(FLOAT) \
((inst_t){.opcode = OP_PUSH_FLOAT, .operand = DFLOAT(FLOAT)}) ((inst_t){.opcode = OP_PUSH_FLOAT, .operand = DFLOAT(FLOAT)})
#define INST_BMOV(BYTE, REG) \
((inst_t){.opcode = OP_MOV_BYTE, .operand = DBYTE(BYTE), .reg = (REG)})
#define INST_WMOV(WORD, REG) \
((inst_t){.opcode = OP_MOV_WORD, .operand = DWORD(WORD), .reg = (REG)})
#define INST_FMOV(FLOAT, REG) \
((inst_t){.opcode = OP_MOV_FLOAT, .operand = DFLOAT(FLOAT), .reg = (REG)})
#endif #endif