mirror of
https://github.com/soconnor0919/nand2tetris-zed.git
synced 2025-12-12 23:24:45 -05:00
Sean O'Connor
c231dbfd27
- Fixed HDL highlights query syntax error with #match? predicate - Replaced #match? with #any-of? for exact string matching - Fixed Hack Assembly outline query invalid field name - Improved HDL syntax highlighting with comprehensive patterns - Added HDL bracket matching for all syntax types - Fixed XML scope mismatch from text.xml to source.xml - Enhanced outline queries for better code navigation
194 lines
2.9 KiB
Plaintext
194 lines
2.9 KiB
Plaintext
// Test VM file for syntax highlighting
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// This file demonstrates various VM language features
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// Stack arithmetic operations
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push constant 7
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push constant 8
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add
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push constant 3
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sub
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neg
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// Logical operations
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push constant 1
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push constant 0
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eq
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push constant 5
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push constant 3
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gt
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push constant 2
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push constant 2
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lt
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// Bitwise operations
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push constant 15
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push constant 3
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and
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push constant 12
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push constant 5
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or
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not
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// Memory access operations
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push argument 0
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push argument 1
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add
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pop local 0
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push local 0
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push constant 1
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add
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pop local 1
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push static 0
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push static 1
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add
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pop static 2
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push this 0
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push that 0
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add
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pop this 1
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push pointer 0
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push pointer 1
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add
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pop temp 0
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push temp 0
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push temp 1
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add
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pop temp 2
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// Program flow commands
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label LOOP_START
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push local 0
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push constant 0
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eq
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if-goto LOOP_END
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push local 0
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push constant 1
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sub
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pop local 0
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goto LOOP_START
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label LOOP_END
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// Function declaration
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function Math.multiply 2
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push constant 0
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pop local 0 // sum = 0
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push constant 0
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pop local 1 // i = 0
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label MULTIPLY_LOOP
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push local 1
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push argument 1
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eq
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if-goto MULTIPLY_END
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push local 0
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push argument 0
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add
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pop local 0
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push local 1
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push constant 1
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add
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pop local 1
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goto MULTIPLY_LOOP
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label MULTIPLY_END
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push local 0
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return
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// Function call
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push constant 5
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push constant 3
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call Math.multiply 2
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pop temp 0
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// Another function with local variables
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function Fibonacci.compute 3
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push argument 0
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push constant 2
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lt
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if-goto FIBO_BASE_CASE
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push argument 0
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push constant 1
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sub
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call Fibonacci.compute 1
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pop local 0
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push argument 0
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push constant 2
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sub
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call Fibonacci.compute 1
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pop local 1
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push local 0
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push local 1
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add
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return
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label FIBO_BASE_CASE
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push argument 0
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return
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// Main function
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function Main.main 0
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push constant 10
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call Fibonacci.compute 1
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pop temp 0
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return
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// Complex memory operations
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push constant 8000
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pop pointer 1 // that = 8000
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push constant 0
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pop that 0 // that[0] = 0
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push constant 1
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pop that 1 // that[1] = 1
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push constant 16384
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pop pointer 1 // that = screen base address
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push constant -1
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pop that 0 // blacken first word
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// Array processing example
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function Array.sum 3
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push constant 0
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pop local 0 // sum = 0
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push constant 0
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pop local 1 // i = 0
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label SUM_LOOP
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push local 1
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push argument 1 // array length
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eq
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if-goto SUM_END
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push argument 0 // array base
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push local 1 // index
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add
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pop pointer 1 // that = array[i] address
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push that 0 // array[i] value
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push local 0 // current sum
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add
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pop local 0 // sum += array[i]
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push local 1
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push constant 1
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add
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pop local 1 // i++
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goto SUM_LOOP
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label SUM_END
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push local 0 // return sum
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return
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