nx_x86_dos_gate.nx

nx_x86_dos_gate.nx -- R1.1: run a REAL DOS .COM on the sovereign x86 emulator. Hello-World program: B4 09 MOV AH,09h (DOS print-string function) BA 0B 01 MOV DX,0x010B (offset of the $-terminated string) CD 21 INT 21h -> prints "Hello, World!" into the console buffer B4 4C MOV AH,4Ch (terminate) CD 21 INT 21h -> sets the exit flag -> emulator halts 0x10B: "Hello, World!$" Proves 8-bit reg moves (B0+r) + INT (CD) + the HLE DOS INT 21h handler -> an actual program produces output.