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MOV now uses the stack, removed register member in inst_t

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Instead of taking an operand and a register, mov just uses the stack
for the operand.  Therefore, there's no need for a register member in
inst_t.

As a result, PUSH_*_REGISTER now uses the operand for the register.
This commit is contained in:
Aryadev Chavali
2023-10-16 00:59:30 +01:00
parent cd19f1e1d3
commit 0f37a59940
3 changed files with 39 additions and 27 deletions
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16
src/inst.h
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@@ -54,7 +54,6 @@ typedef struct
{
opcode_t opcode;
data_t operand;
byte reg; // At most 255 registers
} inst_t;
#define INST_BPUSH(BYTE) \
@@ -66,14 +65,11 @@ typedef struct
#define INST_FPUSH(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_BMOV(REG) ((inst_t){.opcode = OP_MOV_BYTE, .operand = DWORD(REG)})
#define INST_WMOV(WORD, REG) \
((inst_t){.opcode = OP_MOV_WORD, .operand = DWORD(WORD), .reg = (REG)})
#define INST_WMOV(REG) ((inst_t){.opcode = OP_MOV_WORD, .operand = DWORD(REG)})
#define INST_FMOV(FLOAT, REG) \
((inst_t){.opcode = OP_MOV_FLOAT, .operand = DFLOAT(FLOAT), .reg = (REG)})
#define INST_FMOV(REG) ((inst_t){.opcode = OP_MOV_FLOAT, .operand = DWORD(REG)})
#define INST_BPOP ((inst_t){.opcode = OP_POP_BYTE})
@@ -82,12 +78,12 @@ typedef struct
#define INST_FPOP ((inst_t){.opcode = OP_POP_FLOAT})
#define INST_BPUSH_REG(REG) \
((inst_t){.opcode = OP_PUSH_BYTE_REGISTER, .reg = (REG)})
((inst_t){.opcode = OP_PUSH_BYTE_REGISTER, .operand = DWORD(REG)})
#define INST_WPUSH_REG(REG) \
((inst_t){.opcode = OP_PUSH_WORD_REGISTER, .reg = (REG)})
((inst_t){.opcode = OP_PUSH_WORD_REGISTER, .operand = DWORD(REG)})
#define INST_FPUSH_REG(REG) \
((inst_t){.opcode = OP_PUSH_FLOAT_REGISTER, .reg = (REG)})
((inst_t){.opcode = OP_PUSH_FLOAT_REGISTER, .operand = DWORD(REG)})
#endif