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all jmp, jnz, cmp

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This commit is contained in:
sfja 2025-03-31 22:02:35 +02:00
parent ba623b5e23
commit d29293b84c
3 changed files with 119 additions and 1 deletions
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62
asm/asm.c
View File

@ -81,6 +81,23 @@ uint16_t assemble_to_binary(uint16_t* out, const Line* lines, size_t lines_size)
out[ip++] = Op_Hlt;
break;
}
case LineTy_Jmp_Reg: {
uint16_t op1 = line->op1.reg;
uint32_t ins = Op_Jmp;
add_op1_reg(&ins, op1);
out[ip++] = (uint16_t)ins;
break;
}
case LineTy_Jmp_Imm: {
uint16_t op1 = line->op1.imm;
uint32_t ins = Op_Jmp;
set_is_imm(&ins);
out[ip++] = (uint16_t)ins;
out[ip++] = op1;
break;
}
case LineTy_Jmp_Label: {
int op1 = line->op1.label;
@ -90,6 +107,29 @@ uint16_t assemble_to_binary(uint16_t* out, const Line* lines, size_t lines_size)
ADD_LABEL(op1);
break;
}
case LineTy_Jnz_Reg: {
uint16_t op1 = line->op1.reg;
uint16_t op2 = line->op2.reg;
uint32_t ins = Op_Jnz;
add_op1_reg(&ins, op1);
add_op2_reg(&ins, op2);
out[ip++] = (uint16_t)ins;
break;
}
case LineTy_Jnz_Imm: {
uint16_t op1 = line->op1.reg;
uint16_t op2 = line->op2.imm;
uint32_t ins = Op_Jnz;
set_is_imm(&ins);
add_op1_reg(&ins, op1);
out[ip++] = (uint16_t)ins;
out[ip++] = op2;
break;
}
case LineTy_Jnz_Label: {
uint16_t op1 = line->op1.reg;
int op2 = line->op2.label;
@ -102,6 +142,17 @@ uint16_t assemble_to_binary(uint16_t* out, const Line* lines, size_t lines_size)
ADD_LABEL(op2);
break;
}
case LineTy_Cmp_Reg: {
uint16_t op1 = line->op1.reg;
uint16_t op2 = line->op2.reg;
uint32_t ins = Op_Cmp;
add_op1_reg(&ins, op1);
add_op2_reg(&ins, op2);
out[ip++] = (uint16_t)ins;
break;
}
case LineTy_Cmp_Imm: {
uint16_t op1 = line->op1.reg;
uint16_t op2 = line->op2.imm;
@ -113,6 +164,17 @@ uint16_t assemble_to_binary(uint16_t* out, const Line* lines, size_t lines_size)
out[ip++] = (uint16_t)ins;
out[ip++] = op2;
break;
}
case LineTy_Cmp_Label: {
uint16_t op1 = line->op1.reg;
int op2 = line->op2.label;
uint32_t ins = Op_Cmp;
set_is_imm(&ins);
add_op1_reg(&ins, op1);
out[ip++] = (uint16_t)ins;
ADD_LABEL(op2);
break;
}
case LineTy_Mov8_MemReg_Reg: {

12
asm/asm.h
View File

@ -10,9 +10,15 @@ typedef enum {
LineTy_DataLabel,
LineTy_Nop,
LineTy_Hlt,
LineTy_Jmp_Reg,
LineTy_Jmp_Imm,
LineTy_Jmp_Label,
LineTy_Jnz_Reg,
LineTy_Jnz_Imm,
LineTy_Jnz_Label,
LineTy_Cmp_Reg,
LineTy_Cmp_Imm,
LineTy_Cmp_Label,
LineTy_Mov8_MemReg_Reg,
LineTy_Mov8_MemImm_Imm,
LineTy_Mov8_MemImm_Reg,
@ -92,9 +98,15 @@ Line s_data_i(uint16_t data);
Line s_data_l(int label);
Line s_nop(void);
Line s_hlt(void);
Line s_jmp_r(Reg op1_reg);
Line s_jmp_i(uint16_t op1_imm);
Line s_jmp_l(int op1_label);
Line s_jnz_r(Reg op1_reg, Reg op2_reg);
Line s_jnz_i(Reg op1_reg, uint16_t op2_imm);
Line s_jnz_l(Reg op1_reg, int op2_label);
Line s_cmp_r(Reg op1_reg, Reg op2_reg);
Line s_cmp_i(Reg op1_reg, uint16_t op2_imm);
Line s_cmp_l(Reg op1_reg, int op2_label);
Line s_mov8_mr_r(Reg dst_reg, Reg op2_reg);
Line s_mov8_mi_i(uint16_t dst_imm, uint16_t op2_imm);
Line s_mov8_mi_r(uint16_t dst_imm, Reg op2_reg);

46
asm/ctors.c
View File

@ -1,4 +1,5 @@
#include "asm.h"
#include "common/arch.h"
#include <stdint.h>
Line s_label(int label)
@ -31,6 +32,20 @@ Line s_hlt(void)
{
return (Line) { .ty = LineTy_Hlt };
}
Line s_jmp_r(Reg op1_reg)
{
return (Line) {
.ty = LineTy_Jmp_Reg,
.op1 = (Ex) { .reg = (uint16_t)op1_reg },
};
}
Line s_jmp_i(uint16_t op1_imm)
{
return (Line) {
.ty = LineTy_Jmp_Imm,
.op1 = (Ex) { .imm = op1_imm },
};
}
Line s_jmp_l(int op1_label)
{
return (Line) {
@ -38,14 +53,35 @@ Line s_jmp_l(int op1_label)
.op1 = (Ex) { .label = op1_label },
};
}
Line s_jnz_r(Reg op1_reg, Reg op2_reg)
{
return (Line) {
.ty = LineTy_Jnz_Reg,
.op2 = (Ex) { .reg = (uint16_t)op2_reg },
};
}
Line s_jnz_i(Reg op1_reg, uint16_t op2_imm)
{
return (Line) {
.ty = LineTy_Jnz_Imm,
.op2 = (Ex) { .imm = op2_imm },
};
}
Line s_jnz_l(Reg op1_reg, int op2_label)
{
return (Line) {
.ty = LineTy_Jnz_Label,
.op1 = (Ex) { .reg = (uint16_t)op1_reg },
.op2 = (Ex) { .label = op2_label },
};
}
Line s_cmp_r(Reg op1_reg, Reg op2_reg)
{
return (Line) {
.ty = LineTy_Cmp_Reg,
.op1 = (Ex) { .reg = (uint16_t)op1_reg },
.op2 = (Ex) { .reg = (uint16_t)op2_reg },
};
}
Line s_cmp_i(Reg op1_reg, uint16_t op2_imm)
{
return (Line) {
@ -54,6 +90,14 @@ Line s_cmp_i(Reg op1_reg, uint16_t op2_imm)
.op2 = (Ex) { .imm = op2_imm },
};
}
Line s_cmp_l(Reg op1_reg, int op2_label)
{
return (Line) {
.ty = LineTy_Cmp_Label,
.op1 = (Ex) { .reg = (uint16_t)op1_reg },
.op2 = (Ex) { .label = op2_label },
};
}
Line s_mov8_mr_r(Reg dst_reg, Reg op2_reg)
{
return (Line) {