export const vm = `// This file is part of www.nand2tetris.org
// and the book "The Elements of Computing Systems"
// by Nisan and Schocken, MIT Press.
// File name: projects/8/ProgramFlow/BasicLoop/BasicLoop.vm

// Computes the sum 1 + 2 + ... + n and pushes the result onto
// the stack. The value n is given in argument[0], which must be 
// initialized by the caller of this code.

	push constant 0    
	pop local 0         // sum = 0
label LOOP
	push argument 0     
	push local 0
	add
	pop local 0	        // sum = sum + n
	push argument 0
	push constant 1
	sub
	pop argument 0      // n--
	push argument 0
	if-goto LOOP        // if n > 0, goto LOOP
	push local 0        // else, pushes sum to the stack's top
`;

export const vm_tst = `// This file is part of www.nand2tetris.org
// and the book "The Elements of Computing Systems"
// by Nisan and Schocken, MIT Press.
// File name: projects/8/ProgramFlow/BasicLoop/BasicLoopVME.tst

// Tests and illustrates BasicLoop.vm on the VM emulator.
// Before executing the code, initializes the stack pointer
// and the base addresses of the local and argument segments,
// and sets argument[0].

load BasicLoop.vm,
compare-to BasicLoop.cmp,

set sp 256,
set local 300,
set argument 400,
set argument[0] 3,

repeat 33 {
 	vmstep;
}

// Outputs the stack pointer and the value at the stack's base
output-list RAM[0]%D1.6.1 RAM[256]%D1.6.1;
output;
`;

export const hdl_tst = `// This file is part of www.nand2tetris.org
// and the book "The Elements of Computing Systems"
// by Nisan and Schocken, MIT Press.
// File name: projects/8/ProgramFlow/BasicLoop/BasicLoop.tst

// Tests BasicLoop.asm on the CPU emulator.
// Before executing the code, initializes the stack pointer
// and the base addresses of the local and argument segments,
// and sets argument[0].

compare-to BasicLoop.cmp,

set RAM[0] 256,  // SP
set RAM[1] 300,  // LCL
set RAM[2] 400,  // ARG
set RAM[400] 3,  // argument 0

repeat 600 {
	ticktock;
}

// Outputs the stack pointer and the value at the stack's base
output-list RAM[0]%D1.6.1 RAM[256]%D1.6.1;
output;
`;

export const cmp = `| RAM[0] |RAM[256]|
|    257 |      6 |
`;