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Sean O'Connor
2025-10-26 17:51:57 -04:00
parent be00f40a6b
commit 38721f77c0
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37
08/FunctionCalls/SimpleFunction/SimpleFunction.tst Normal file
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// 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/FunctionCalls/SimpleFunction/SimpleFunction.tst
// Tests SimpleFunction.asm in the CPU emulator.
// In particular, tests how the assembly implementation of the 'function'
// VM command initializes local variables, and how the assembly implementation
// of the 'return' VM command handles the return value, SP, LCL, ARG, THIS, and THAT.
// Before executing the code, initializes the stack pointer and the pointers of some
// of the memory segments, and sets some values in the argument segment.
load SimpleFunction.asm,
output-file SimpleFunction.out,
compare-to SimpleFunction.cmp,
set RAM[0] 317, // SP
set RAM[1] 317, // LCL
set RAM[2] 310, // ARG
set RAM[3] 3000, // THIS
set RAM[4] 4000, // THAT
set RAM[310] 1234,
set RAM[311] 37,
set RAM[312] 1000,
set RAM[313] 305,
set RAM[314] 300,
set RAM[315] 3010,
set RAM[316] 4010,
repeat 300 {
ticktock;
}
// Outputs SP, LCL, ARG, THIS, THAT, and the return value.
output-list RAM[0]%D1.6.1 RAM[1]%D1.6.1 RAM[2]%D1.6.1
RAM[3]%D1.6.1 RAM[4]%D1.6.1 RAM[310]%D1.6.1;
output;

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08/FunctionCalls/SimpleFunction/SimpleFunction.vm Normal file
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// 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/FunctionCalls/SimpleFunction/SimpleFunction.vm
// Performs a simple calculation and returns the result.
// argument[0] and argument[1] must be set by the caller.
function SimpleFunction.test 2
push local 0
push local 1
add
not
push argument 0
add
push argument 1
sub
return

35
08/FunctionCalls/SimpleFunction/SimpleFunctionVME.tst Normal file
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// 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/FunctionCalls/SimpleFunction/SimpleFunctionVME.tst
// Tests and illustrates SimpleFunction.vm in the VM emulator.
// Before executing the code, initializes the stack pointer
// and the base addresses of some of the memory segments,
// and sets some values in the argument segment.
load SimpleFunction.vm,
output-file SimpleFunction.out,
compare-to SimpleFunction.cmp,
set sp 317,
set local 317,
set argument 310,
set this 3000,
set that 4000,
set argument[0] 1234,
set argument[1] 37,
set argument[2] 9,
set argument[3] 305,
set argument[4] 300,
set argument[5] 3010,
set argument[6] 4010,
repeat 10 {
vmstep;
}
// Outputs SP, LCL, ARG, THIS, THAT, and the return value.
output-list RAM[0]%D1.6.1 RAM[1]%D1.6.1 RAM[2]%D1.6.1
RAM[3]%D1.6.1 RAM[4]%D1.6.1 RAM[310]%D1.6.1;
output;