किले के लिए बाइट मशीन (और न केवल) मूल अमेरिकी में (भाग 2)

 b_add = 0x21 bcmd_add: pop rax add [rsp], rax jmp _next b_sub = 0x22 bcmd_sub: pop rax sub [rsp], rax jmp _next b_mul = 0x23 bcmd_mul: pop rax pop rbx imul rbx push rax jmp _next b_div = 0x24 bcmd_div: pop rbx pop rax cqo idiv rbx push rax jmp _next b_mod = 0x25 bcmd_mod: pop rbx pop rax cqo idiv rbx push rdx jmp _next b_divmod = 0x26 bcmd_divmod: pop rbx pop rax cqo idiv rbx push rdx push rax jmp _next b_abs = 0x27 bcmd_abs: mov rax, [rsp] or rax, rax jge _next neg rax mov [rsp], rax jmp _next 

 b_drop = 0x31 bcmd_drop: add rsp, 8 jmp _next b_swap = 0x32 bcmd_swap: pop rax pop rbx push rax push rbx jmp _next b_rot = 0x33 bcmd_rot: pop rax pop rbx pop rcx push rbx push rax push rcx jmp _next b_mrot = 0x34 bcmd_mrot: pop rcx pop rbx pop rax push rcx push rax push rbx jmp _next b_over = 0x35 bcmd_over: push [rsp + 8] jmp _next b_pick = 0x36 bcmd_pick: pop rcx push [rsp + 8*rcx] jmp _next b_roll = 0x37 bcmd_roll: pop rcx mov rbx, [rsp + 8*rcx] roll1: mov rax, [rsp + 8*rcx - 8] mov [rsp + 8*rcx], rax dec rcx jnz roll1 push rbx jmp _next 

 b_get = 0x40 bcmd_get: pop rcx push [rcx] jmp _next b_set = 0x41 bcmd_set: pop rcx pop rax mov [rcx], rax jmp _next b_get8 = 0x42 bcmd_get8: pop rcx movsx rax, byte ptr [rcx] push rax jmp _next b_set8 = 0x43 bcmd_set8: pop rcx pop rax mov [rcx], al jmp _next b_get16 = 0x44 bcmd_get16: pop rcx movsx rax, word ptr [rcx] push rax jmp _next b_set16 = 0x45 bcmd_set16: pop rcx pop rax mov [rcx], ax jmp _next b_get32 = 0x46 bcmd_get32: pop rcx movsx rax, dword ptr [rcx] push rax jmp _next b_set32 = 0x47 bcmd_set32: pop rcx pop rax mov [rcx], eax jmp _next 

 # 0= b_zeq = 0x50 bcmd_zeq: pop rax or rax, rax jnz rfalse rtrue: push -1 jmp _next rfalse: push 0 jmp _next # 0< b_zlt = 0x51 bcmd_zlt: pop rax or rax, rax jl rtrue push 0 jmp _next # 0> b_zgt = 0x52 bcmd_zgt: pop rax or rax, rax jg rtrue push 0 jmp _next # = b_eq = 0x53 bcmd_eq: pop rbx pop rax cmp rax, rbx jz rtrue push 0 jmp _next # < b_lt = 0x54 bcmd_lt: pop rbx pop rax cmp rax, rbx jl rtrue push 0 jmp _next # > b_gt = 0x55 bcmd_gt: pop rbx pop rax cmp rax, rbx jg rtrue push 0 jmp _next # <= b_lteq = 0x56 bcmd_lteq: pop rbx pop rax cmp rax, rbx jle rtrue push 0 jmp _next # >= b_gteq = 0x57 bcmd_gteq: pop rbx pop rax cmp rax, rbx jge rtrue push 0 jmp _next 

 .intel_syntax noprefix stack_size = 1024 .section .data init_stack: .quad 0 init_rstack: .quad 0 msg_bad_byte: .ascii "Bad byte code!\n" msg_bad_byte_len = . - msg_bad_byte #  len    msg_bye: .ascii "bye!\n" msg_bye_len = . - msg_bye bcmd: .quad bcmd_bad, bcmd_bye, bcmd_num0, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad # 0x00 .quad bcmd_lit8, bcmd_lit16, bcmd_lit32, bcmd_lit64, bcmd_call8, bcmd_call16, bcmd_call32, bcmd_bad .quad bcmd_branch8, bcmd_branch16, bcmd_qbranch8, bcmd_qbranch16, bcmd_qnbranch8, bcmd_qnbranch16,bcmd_bad, bcmd_exit # 0x10 .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_wm, bcmd_add, bcmd_sub, bcmd_mul, bcmd_div, bcmd_mod, bcmd_divmod, bcmd_abs # 0x20 .quad bcmd_var0, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_dup, bcmd_drop, bcmd_swap, bcmd_rot, bcmd_mrot, bcmd_over, bcmd_pick, bcmd_roll # 0x30 .quad bcmd_depth, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_get, bcmd_set, bcmd_get8, bcmd_set8, bcmd_get16, bcmd_set16, bcmd_get32, bcmd_set32 # 0x40 .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_zeq, bcmd_zlt, bcmd_zgt, bcmd_eq, bcmd_lt, bcmd_gt, bcmd_lteq, bcmd_gteq #0x50 .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad # 0x60 .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_type, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad # 0x80 .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad .quad bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad, bcmd_bad start: .byte b_lit16 .word -1234 .byte b_call16 .word dot - . - 2 .byte b_bye base: .byte b_var0 .quad 10 holdbuf_len = 70 holdbuf: .byte b_var0 .space holdbuf_len holdpoint: .byte b_var0 .quad 0 # : hold holdpoint @ 1- dup holdbuf > if drop drop else dup holdpoint ! c! then ; hold: .byte b_call8 .byte holdpoint - . - 1 # holdpoint .byte b_get # @ .byte b_wm # 1- .byte b_dup # dup .byte b_call8 .byte holdbuf - . - 1 # holdbuf .byte b_gt # > .byte b_qbranch8 # if .byte 0f - . .byte b_drop # drop .byte b_drop # drop .byte b_branch8 #     ( then) .byte 1f - . 0: .byte b_dup # dup .byte b_call8 .byte holdpoint - . - 1 # holdpoint .byte b_set # ! .byte b_set8 # c! 1: .byte b_exit # ; # : # base /mod swap dup 10 < if c" 0 + else 10 - c" A + then hold ; conv: .byte b_call16 .word base - . - 2 # base .byte b_get # @ .byte b_divmod # /mod .byte b_swap # swap .byte b_dup # dup .byte b_lit8 .byte 10 # 10 .byte b_lt # < .byte b_qnbranch8 # if .byte 0f - . .byte b_lit8 .byte '0' # c" 0 .byte b_add # + .byte b_branch8 # else .byte 1f - . 0: .byte b_lit8 .byte '?' # c" A .byte b_add # + 1: .byte b_call16 .word hold - . - 2 # hold .byte b_exit # ; # : <# holdbuf 70 + holdpoint ! ; conv_start: .byte b_call16 .word holdbuf - . - 2 .byte b_lit8 .byte holdbuf_len .byte b_add .byte b_call16 .word holdpoint - . - 2 .byte b_set .byte b_exit # : #s do # dup 0=until ; conv_s: .byte b_call8 .byte conv - . - 1 .byte b_dup .byte b_qbranch8 .byte conv_s - . .byte b_exit # : #> holdpoint @ holdbuf 70 + over - ; conv_end: .byte b_call16 .word holdpoint - . - 2 .byte b_get .byte b_call16 .word holdbuf - . - 2 .byte b_lit8 .byte holdbuf_len .byte b_add .byte b_over .byte b_sub .byte b_exit dot: .byte b_dup .byte b_abs .byte b_call8 .byte conv_start - . - 1 .byte b_lit8 .byte ' ' .byte b_call16 .word hold - . - 2 .byte b_call8 .byte conv_s - . - 1 .byte b_drop .byte b_zlt .byte b_qnbranch8 .byte 1f - . .byte b_lit8 .byte '-' .byte b_call16 .word hold - . - 2 1: .byte b_call8 .byte conv_end - . - 1 .byte b_type .byte b_exit .section .text .global _start #     _start: mov rbp, rsp sub rbp, stack_size lea r8, start mov init_stack, rsp mov init_rstack, rbp jmp _next b_var0 = 0x28 bcmd_var0: push r8 b_exit = 0x17 bcmd_exit: mov r8, [rbp] add rbp, 8 _next: movzx rcx, byte ptr [r8] inc r8 jmp [bcmd + rcx*8] b_num0 = 0x02 bcmd_num0: push 0 jmp _next b_lit8 = 0x08 bcmd_lit8: movsx rax, byte ptr [r8] inc r8 push rax jmp _next b_lit16 = 0x09 bcmd_lit16: movsx rax, word ptr [r8] add r8, 2 push rax jmp _next b_call8 = 0x0C bcmd_call8: movsx rax, byte ptr [r8] sub rbp, 8 inc r8 mov [rbp], r8 add r8, rax jmp _next b_call16 = 0x0D bcmd_call16: movsx rax, word ptr [r8] sub rbp, 8 add r8, 2 mov [rbp], r8 add r8, rax jmp _next b_call32 = 0x0E bcmd_call32: movsx rax, dword ptr [r8] sub rbp, 8 add r8, 4 mov [rbp], r8 add r8, rax jmp _next b_lit32 = 0x0A bcmd_lit32: movsx rax, dword ptr [r8] add r8, 4 push rax jmp _next b_lit64 = 0x0B bcmd_lit64: mov rax, [r8] add r8, 8 push rax jmp _next b_dup = 0x30 bcmd_dup: push [rsp] jmp _next b_wm = 0x20 bcmd_wm: decq [rsp] jmp _next b_add = 0x21 bcmd_add: pop rax add [rsp], rax jmp _next b_sub = 0x22 bcmd_sub: pop rax sub [rsp], rax jmp _next b_mul = 0x23 bcmd_mul: pop rax pop rbx imul rbx push rax jmp _next b_div = 0x24 bcmd_div: pop rbx pop rax cqo idiv rbx push rax jmp _next b_mod = 0x25 bcmd_mod: pop rbx pop rax cqo idiv rbx push rdx jmp _next b_divmod = 0x26 bcmd_divmod: pop rbx pop rax cqo idiv rbx push rdx push rax jmp _next b_abs = 0x27 bcmd_abs: mov rax, [rsp] or rax, rax jge _next neg rax mov [rsp], rax jmp _next b_drop = 0x31 bcmd_drop: add rsp, 8 jmp _next b_swap = 0x32 bcmd_swap: pop rax pop rbx push rax push rbx jmp _next b_rot = 0x33 bcmd_rot: pop rax pop rbx pop rcx push rbx push rax push rcx jmp _next b_mrot = 0x34 bcmd_mrot: pop rcx pop rbx pop rax push rcx push rax push rbx jmp _next b_over = 0x35 bcmd_over: push [rsp + 8] jmp _next b_pick = 0x36 bcmd_pick: pop rcx push [rsp + 8*rcx] jmp _next b_roll = 0x37 bcmd_roll: pop rcx mov rbx, [rsp + 8*rcx] roll1: mov rax, [rsp + 8*rcx - 8] mov [rsp + 8*rcx], rax dec rcx jnz roll1 push rbx jmp _next b_depth = 0x38 bcmd_depth: mov rax, init_stack sub rax, rsp shr rax, 3 push rax jmp _next b_get = 0x40 bcmd_get: pop rcx push [rcx] jmp _next b_set = 0x41 bcmd_set: pop rcx pop rax mov [rcx], rax jmp _next b_get8 = 0x42 bcmd_get8: pop rcx movsx rax, byte ptr [rcx] push rax jmp _next b_set8 = 0x43 bcmd_set8: pop rcx pop rax mov [rcx], al jmp _next b_get16 = 0x44 bcmd_get16: pop rcx movsx rax, word ptr [rcx] push rax jmp _next b_set16 = 0x45 bcmd_set16: pop rcx pop rax mov [rcx], ax jmp _next b_get32 = 0x46 bcmd_get32: pop rcx movsx rax, dword ptr [rcx] push rax jmp _next b_set32 = 0x47 bcmd_set32: pop rcx pop rax mov [rcx], eax jmp _next # 0= b_zeq = 0x50 bcmd_zeq: pop rax or rax, rax jnz rfalse rtrue: push -1 jmp _next rfalse: push 0 jmp _next # 0< b_zlt = 0x51 bcmd_zlt: pop rax or rax, rax jl rtrue push 0 jmp _next # 0> b_zgt = 0x52 bcmd_zgt: pop rax or rax, rax jg rtrue push 0 jmp _next # = b_eq = 0x53 bcmd_eq: pop rbx pop rax cmp rax, rbx jz rtrue push 0 jmp _next # < b_lt = 0x54 bcmd_lt: pop rbx pop rax cmp rax, rbx jl rtrue push 0 jmp _next # > b_gt = 0x55 bcmd_gt: pop rbx pop rax cmp rax, rbx jg rtrue push 0 jmp _next # <= b_lteq = 0x56 bcmd_lteq: pop rbx pop rax cmp rax, rbx jle rtrue push 0 jmp _next # >= b_gteq = 0x57 bcmd_gteq: pop rbx pop rax cmp rax, rbx jge rtrue push 0 jmp _next b_branch8 = 0x10 bcmd_branch8: movsx rax, byte ptr [r8] add r8, rax jmp _next b_branch16 = 0x11 bcmd_branch16: movsx rax, word ptr [r8] add r8, rax jmp _next b_qbranch8 = 0x12 bcmd_qbranch8: pop rax or rax, rax jnz bcmd_branch8 inc r8 jmp _next b_qbranch16 = 0x13 bcmd_qbranch16: pop rax or rax, rax jnz bcmd_branch16 add r8, 2 jmp _next b_qnbranch8 = 0x14 bcmd_qnbranch8: pop rax or rax, rax jz bcmd_branch8 inc r8 jmp _next b_qnbranch16 = 0x15 bcmd_qnbranch16:pop rax or rax, rax jz bcmd_branch16 add r8, 2 jmp _next b_bad = 0x00 bcmd_bad: mov rax, 1 #   № 1 - sys_write mov rdi, 1 #  № 1 — stdout mov rsi, offset msg_bad_byte #     mov rdx, msg_bad_byte_len #   syscall #   mov rax, 60 #   № 1 - sys_exit mov rbx, 1 #    1 syscall #   b_bye = 0x01 bcmd_bye: mov rax, 1 #   № 1 - sys_write mov rdi, 1 #  № 1 — stdout mov rsi, offset msg_bye #     mov rdx, msg_bye_len #   syscall #   mov rax, 60 #   № 60 - sys_exit mov rdi, 0 #    0 syscall #   b_type = 0x80 bcmd_type: mov rax, 1 #   № 1 - sys_write mov rdi, 1 #  № 1 - stdout pop rdx pop rsi push r8 syscall #   pop r8 jmp _next