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all jmpf

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sfja 2025-03-31 23:08:50 +02:00
parent 804d3c5398
commit 827c593712
3 changed files with 95 additions and 0 deletions
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53
asm/asm.c
View File

@ -1,4 +1,5 @@
#include "asm.h" #include "asm.h"
#include "common/arch.h"
#include "common/op_str.h" #include "common/op_str.h"
#include <stdbool.h> #include <stdbool.h>
#include <stddef.h> #include <stddef.h>
@ -107,6 +108,58 @@ uint16_t assemble_to_binary(uint16_t* out, const Line* lines, size_t lines_size)
ADD_LABEL(op1); ADD_LABEL(op1);
break; break;
} }
case LineTy_JmpFar_Reg_Reg: {
uint16_t op1 = line->op1.reg;
uint16_t op2 = line->op2.reg;
uint32_t ins = Op_Jmp;
ins |= 1 << 7;
add_op1_reg(&ins, op1);
add_op2_reg(&ins, op2);
out[ip++] = (uint16_t)ins;
break;
}
case LineTy_JmpFar_Reg_Imm: {
uint16_t op1 = line->op1.reg;
uint16_t op2 = line->op2.imm;
uint32_t ins = Op_Jmp;
ins |= 1 << 7;
ins |= 1 << 8;
add_op1_reg(&ins, op1);
out[ip++] = (uint16_t)ins;
out[ip++] = op2;
break;
}
case LineTy_JmpFar_Imm_Reg: {
uint16_t op1 = line->op1.imm;
uint16_t op2 = line->op2.reg;
uint32_t ins = Op_Jmp;
ins |= 1 << 7;
set_is_imm(&ins);
add_op2_reg(&ins, op2);
out[ip++] = (uint16_t)ins;
out[ip++] = op1;
break;
}
case LineTy_JmpFar_Imm_Imm: {
uint16_t op1 = line->op1.imm;
uint16_t op2 = line->op2.imm;
uint32_t ins = Op_Jmp;
ins |= 1 << 7;
ins |= 1 << 8;
set_is_imm(&ins);
out[ip++] = (uint16_t)ins;
out[ip++] = op2;
out[ip++] = op1;
break;
}
case LineTy_Jnz_Reg: { case LineTy_Jnz_Reg: {
uint16_t op1 = line->op1.reg; uint16_t op1 = line->op1.reg;
uint16_t op2 = line->op2.reg; uint16_t op2 = line->op2.reg;

8
asm/asm.h
View File

@ -13,6 +13,10 @@ typedef enum {
LineTy_Jmp_Reg, LineTy_Jmp_Reg,
LineTy_Jmp_Imm, LineTy_Jmp_Imm,
LineTy_Jmp_Label, LineTy_Jmp_Label,
LineTy_JmpFar_Reg_Reg,
LineTy_JmpFar_Reg_Imm,
LineTy_JmpFar_Imm_Reg,
LineTy_JmpFar_Imm_Imm,
LineTy_Jnz_Reg, LineTy_Jnz_Reg,
LineTy_Jnz_Imm, LineTy_Jnz_Imm,
LineTy_Jnz_Label, LineTy_Jnz_Label,
@ -116,6 +120,10 @@ Line s_hlt(void);
Line s_jmp_r(Reg op1_reg); Line s_jmp_r(Reg op1_reg);
Line s_jmp_i(uint16_t op1_imm); Line s_jmp_i(uint16_t op1_imm);
Line s_jmp_l(int op1_label); Line s_jmp_l(int op1_label);
Line s_jmpf_r_r(Reg op1_reg, Reg op2_reg);
Line s_jmpf_r_i(Reg op1_reg, uint16_t op2_imm);
Line s_jmpf_i_r(uint16_t op1_imm, Reg op2_reg);
Line s_jmpf_i_i(uint16_t op1_imm, uint16_t op2_imm);
Line s_jnz_r(Reg op1_reg, Reg op2_reg); Line s_jnz_r(Reg op1_reg, Reg op2_reg);
Line s_jnz_i(Reg op1_reg, uint16_t op2_imm); Line s_jnz_i(Reg op1_reg, uint16_t op2_imm);
Line s_jnz_l(Reg op1_reg, int op2_label); Line s_jnz_l(Reg op1_reg, int op2_label);

34
asm/ctors.c
View File

@ -53,10 +53,43 @@ Line s_jmp_l(int op1_label)
.op1 = (Ex) { .label = op1_label }, .op1 = (Ex) { .label = op1_label },
}; };
} }
Line s_jmpf_r_r(Reg op1_reg, Reg op2_reg)
{
return (Line) {
.ty = LineTy_JmpFar_Reg_Reg,
.op1 = (Ex) { .reg = (uint16_t)op1_reg },
.op2 = (Ex) { .reg = (uint16_t)op2_reg },
};
}
Line s_jmpf_r_i(Reg op1_reg, uint16_t op2_imm)
{
return (Line) {
.ty = LineTy_JmpFar_Reg_Imm,
.op1 = (Ex) { .reg = (uint16_t)op1_reg },
.op2 = (Ex) { .imm = op2_imm },
};
}
Line s_jmpf_i_r(uint16_t op1_imm, Reg op2_reg)
{
return (Line) {
.ty = LineTy_JmpFar_Imm_Reg,
.op1 = (Ex) { .imm = op1_imm },
.op2 = (Ex) { .reg = (uint16_t)op2_reg },
};
}
Line s_jmpf_i_i(uint16_t op1_imm, uint16_t op2_imm)
{
return (Line) {
.ty = LineTy_JmpFar_Imm_Imm,
.op1 = (Ex) { .imm = op1_imm },
.op2 = (Ex) { .imm = op2_imm },
};
}
Line s_jnz_r(Reg op1_reg, Reg op2_reg) Line s_jnz_r(Reg op1_reg, Reg op2_reg)
{ {
return (Line) { return (Line) {
.ty = LineTy_Jnz_Reg, .ty = LineTy_Jnz_Reg,
.op1 = (Ex) { .reg = (uint16_t)op1_reg },
.op2 = (Ex) { .reg = (uint16_t)op2_reg }, .op2 = (Ex) { .reg = (uint16_t)op2_reg },
}; };
} }
@ -64,6 +97,7 @@ Line s_jnz_i(Reg op1_reg, uint16_t op2_imm)
{ {
return (Line) { return (Line) {
.ty = LineTy_Jnz_Imm, .ty = LineTy_Jnz_Imm,
.op1 = (Ex) { .reg = (uint16_t)op1_reg },
.op2 = (Ex) { .imm = op2_imm }, .op2 = (Ex) { .imm = op2_imm },
}; };
} }