Edinburgh IMP77 Compiler - Version 8.4
    1 %begin
		.Ltext0:
				.align	1
				.thumb
				.thumb_func
		DOHANOI.10029:
		.LFB186:
				@ Volatile: function does not return.
				@ args = 0, pretend = 0, frame = 1032
				@ frame_needed = 0, uses_anonymous_args = 0
		.LVL18:
				push	{lr}
				subw	sp, sp, #1276
				ldr	r3, .L14
		.LPIC1:
				add	r3, pc
				ldr	r2, .L14+4
				ldr	r3, [r3, r2]
				ldr	r3, [r3]
				str	r3, [sp, #1268]
    2   %routine do hanoi(%integer n, f, t, u)
				@ args = 0, pretend = 0, frame = 3080
				@ frame_needed = 0, uses_anonymous_args = 0
		.LVL0:
				push	{r4, r5, r6, r7, r8, r9, lr}
				subw	sp, sp, #3324
				mov	r6, r0
				mov	r8, r1
				mov	r7, r2
				mov	r9, r3
				ldr	r5, .L9
		.LPIC0:
				add	r5, pc
				ldr	r3, .L9+4
		.LVL1:
				ldr	r3, [r5, r3]
				ldr	r3, [r3]
				str	r3, [sp, #3316]
				bl	_imp_initialise(PLT)
		.LVL19:
				movs	r3, #3
				movs	r2, #2
				movs	r1, #1
				movs	r0, #4
				bl	DOHANOI.10029(PLT)
		.LVL20:
		.LBB47:
		.LBB48:
    3     do hanoi(n - 1, f, u, t) %if n >= 2
				cmp	r0, #1
				bgt	.L6
		.LVL2:
		.L2:
		.LBB34:
		.LBB35:
		.LBB36:
		.LBB37:
		.LBB38:
		.LBB39:
		.LBB40:
		.LBB41:
				movs	r2, #0
				mov	r1, r8
				addw	r0, sp, #3060
				bl	_imp_itos(PLT)
		.LVL3:
		.LBE41:
		.LBE40:
		.LBE39:
    4     print string("Move disk from ".itos(f,0)." to ".itos(t,0).to string(nl))
				mov	r3, r2
				mov	r2, r9
		.LVL13:
				subs	r0, r0, #1
		.LVL14:
				bl	DOHANOI.10029(PLT)
		.LVL15:
				b	.L2
		.L7:
    5     do hanoi(n - 1, u, t, f) %if n >= 2
				cmp	r6, #1
				bgt	.L7
		.L3:
		.L1:
    6   %end
				addw	r2, sp, #1524
				addw	r1, sp, #1268
				add	r4, sp, #1012
				mov	r0, r4
				bl	_imp_join(PLT)
		.LVL4:
		.LBE38:
				addw	r2, sp, #1780
				mov	r1, r4
				add	r4, sp, #756
				mov	r0, r4
				bl	_imp_join(PLT)
		.LVL5:
		.LBE37:
		.LBB42:
		.LBB43:
		.LBB44:
				movs	r2, #0
				mov	r1, r7
				addw	r0, sp, #2804
				bl	_imp_itos(PLT)
		.LVL6:
		.LBE44:
		.LBE43:
		.LBE42:
				addw	r2, sp, #2036
				mov	r1, r4
				add	r4, sp, #500
				mov	r0, r4
				bl	_imp_join(PLT)
		.LVL7:
		.LBE36:
				addw	r2, sp, #2292
				mov	r1, r4
				addw	r4, sp, #2548
				mov	r0, r4
				bl	_imp_join(PLT)
		.LVL8:
				mov	r2, #256
				add	r1, sp, #244
				mov	r0, r4
				bl	memcpy(PLT)
		.LVL9:
		.LBE35:
		.LBE34:
		.LBB45:
		.LBB46:
				movs	r2, #240
				addw	r1, sp, #2564
				mov	r0, sp
				bl	memcpy(PLT)
		.LVL10:
				ldm	r4, {r0, r1, r2, r3}
				bl	_imp_printstring(PLT)
		.LVL11:
		.LBE46:
		.LBE45:
				mov	r3, r8
				mov	r2, r7
				mov	r1, r9
				subs	r0, r6, #1
				bl	DOHANOI.10029(PLT)
		.LVL16:
				b	.L1
		.L8:
				bl	__stack_chk_fail(PLT)
		.LVL17:
		.L10:
				.align	2
		.L9:
				.word	_GLOBAL_OFFSET_TABLE_-(.LPIC0+4)
				.word	__stack_chk_guard(GOT)
		.LFE186:
				.align	1
				.global	main
				.thumb
				.thumb_func
		main:
		.LFB185:
    7   do hanoi(4, 1, 2, 3)
				ldr	r3, .L9+4
				ldr	r3, [r5, r3]
				ldr	r2, [sp, #3316]
				ldr	r3, [r3]
				cmp	r2, r3
				bne	.L8
				addw	sp, sp, #3324
				@ sp needed
				pop	{r4, r5, r6, r7, r8, r9, pc}
		.LVL12:
		.L6:
    8   print string("Towers of Hanoi puzzle completed!".to string(nl))
    9 %end %of %program
    9 Statements compiled
				add	r2, sp, #756
				add	r1, sp, #500
				add	r4, sp, #1012
				mov	r0, r4
				bl	_imp_join(PLT)
		.LVL21:
				mov	r2, #256
				add	r1, sp, #244
				mov	r0, r4
				bl	memcpy(PLT)
		.LVL22:
		.LBE48:
		.LBE47:
		.LBB49:
		.LBB50:
				movs	r2, #240
				addw	r1, sp, #1028
				mov	r0, sp
				bl	memcpy(PLT)
		.LVL23:
				ldm	r4, {r0, r1, r2, r3}
				bl	_imp_printstring(PLT)
		.LVL24:
		.LBE50:
		.LBE49:
		.LBB51:
		.LBB52:
				movs	r0, #0
				bl	exit(PLT)
		.LVL25:
		.L15:
				.align	2
		.L14:
				.word	_GLOBAL_OFFSET_TABLE_-(.LPIC1+4)
				.word	__stack_chk_guard(GOT)
		.LBE52:
		.LBE51:
		.LFE185:
		.Letext0: