94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
#pragma once
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#include "vm.h"
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#include <stddef.h>
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#include <stdint.h>
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typedef enum {
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LineTy_Label,
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LineTy_DataImm,
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LineTy_DataLabel,
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LineTy_Nop,
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LineTy_Hlt,
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LineTy_Jmp_Label,
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LineTy_Jnz_Label,
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LineTy_Cmp_Imm,
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LineTy_Mov8_MemReg_Reg,
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LineTy_Mov8_MemImm_Imm,
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LineTy_Mov8_MemImm_Reg,
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LineTy_Mov16_Reg_Reg,
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LineTy_Mov16_Reg_Imm,
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LineTy_Mov16_Reg_MemReg,
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LineTy_Mov16_Reg_MemImm,
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LineTy_Mov16_Reg_MemLabel,
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LineTy_Mov16_MemReg_Reg,
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LineTy_Mov16_MemLabel_Reg,
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LineTy_In_Imm,
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LineTy_Lit_Imm,
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LineTy_Lit_Label,
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LineTy_Int,
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LineTy_IRet,
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LineTy_Or_Imm,
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LineTy_And_Imm,
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LineTy_Add_Imm,
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LineTy_Sub_Imm,
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} LineTy;
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typedef struct {
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union {
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int label;
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struct {
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uint16_t imm;
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uint16_t reg;
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};
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};
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} Ex;
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typedef struct {
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LineTy ty;
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Ex dst;
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Ex op1;
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Ex op2;
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uint16_t offset;
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} Line;
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Line s_label(int label);
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Line s_data_i(uint16_t data);
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Line s_data_l(int label);
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Line s_nop(void);
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Line s_hlt(void);
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Line s_jmp_l(int op1_label);
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Line s_jnz_l(Reg op1_reg, int op2_label);
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Line s_cmp_i(Reg op1_reg, uint16_t op2_imm);
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Line s_mov8_mr_r(Reg dst_reg, Reg op2_reg);
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Line s_mov8_mi_i(uint16_t dst_imm, uint16_t op2_imm);
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Line s_mov8_mi_r(uint16_t dst_imm, Reg op2_reg);
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Line s_mov16_r_r(Reg dst_reg, Reg op2_reg);
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Line s_mov16_r_i(Reg dst_reg, uint16_t op2_imm);
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Line s_mov16_r_mr(Reg dst_reg, Reg op2_reg, uint16_t op2_offset);
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Line s_mov16_r_mi(Reg dst_reg, uint16_t op2_imm);
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Line s_mov16_r_ml(Reg dst_reg, int op2_label);
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Line s_mov16_mr_r(Reg dst_reg, uint16_t dst_offset, Reg op2_reg);
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Line s_mov16_ml_r(int dst_label, Reg op2_reg);
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Line s_in_i(Reg dst_reg, uint16_t op1_imm);
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Line s_lit_i(uint16_t op1_imm);
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Line s_lit_l(int op1_label);
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Line s_int(uint8_t int_id);
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Line s_iret(void);
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Line s_or_i(Reg dst_reg, Reg op1_reg, uint16_t op2_imm);
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Line s_and_i(Reg dst_reg, Reg op1_reg, uint16_t op2_imm);
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Line s_add_i(Reg dst_reg, Reg op1_reg, uint16_t op2_imm);
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Line s_sub_i(Reg dst_reg, Reg op1_reg, uint16_t op2_imm);
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#define s_push_r(REG) s_add_i(Rsp, Rsp, 2), s_mov16_mr_r(Rsp, 0, REG)
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#define s_pop_r(REG) s_mov16_r_mr(REG, Rsp, 2), s_sub_i(Rsp, Rsp, 2)
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void assemble_to_binary(uint16_t* out, const Line* lines, size_t lines_size);
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#define fmt_binary(VAL) \
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(VAL) >> 7 & 1 ? '1' : '0', (VAL) >> 6 & 1 ? '1' : '0', \
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(VAL) >> 5 & 1 ? '1' : '0', (VAL) >> 4 & 1 ? '1' : '0', \
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(VAL) >> 3 & 1 ? '1' : '0', (VAL) >> 2 & 1 ? '1' : '0', \
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(VAL) >> 1 & 1 ? '1' : '0', (VAL) >> 0 & 1 ? '1' : '0'
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