Advance work on emulator/assembler combo

programs/asm86.asm

@@ -4,15 +4,18 @@ jmp start
 
 %include "fcbparse.asm"
 
-fcb_in:
-  times 20 db 0
+fcb_asm:
+  times 36 db 0
 
-fcb_out:
-  times 20 db 0
+fcb_bin:
+  times 36 db 0
+
+fcb_lst:
+  times 36 db 0
 
 start:
   mov si, 0x81
-  mov bx, fcb_in
+  mov bx, fcb_asm
   mov ax, 0x1234
   call fcb_parse
   ret

utils/emul.c

@@ -350,6 +350,10 @@ void step() {
       ip = reg;
     }
     break;
+  case 0xE9:
+    reg = imm16();
+    ip += (int16_t)reg;
+    break;
   case 0xEB: // JMP rb
     ip = ip + (int8_t)imm8();
     break;