Initial commit
I should've made a git repo for this much sooner, oops :p
This commit is contained in:
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commit
eeafe0cbb2
189
Cargo.lock
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189
Cargo.lock
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@ -0,0 +1,189 @@
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9
Cargo.toml
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9
Cargo.toml
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@ -0,0 +1,9 @@
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[package]
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name = "fox32asm"
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version = "0.1.0"
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edition = "2021"
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[dependencies]
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pest = "2.1.3"
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pest_derive = "2.1.0"
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145
src/fox32.pest
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145
src/fox32.pest
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WHITESPACE = _{ " " | "\t" | "\n" | "\r" | "\x0B" | "\x0C" | "\xA0" | SPACE_SEPARATOR }
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COMMENT = _{ ";" ~ (!"\n" ~ ANY)* }
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assembly = {
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SOI ~ (origin | include_bin | data | constant | label | instruction)* ~ EOI
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}
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origin = {
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origin_padding |
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origin_no_padding
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}
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origin_padding = { "org.pad" ~ operand_value }
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origin_no_padding = { "org" ~ operand_value }
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include_bin = { "#include_bin" ~ immediate_str }
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data = {
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data_byte |
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data_half |
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data_word |
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data_str
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}
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data_byte = { "data.8" ~ operand_value }
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data_half = { "data.16" ~ operand_value }
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data_word = { "data.32" ~ operand_value }
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data_str = { "data.str" ~ immediate_str }
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constant = { "const" ~ constant_name ~ operand_value }
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constant_name = ${label_name ~ ":"}
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label = ${ label_name ~ ":" }
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label_name = @{ label_name_chars+ }
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label_name_chars = @{ ASCII_ALPHANUMERIC | "_" }
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operand = {
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"[" ~ operand_value_ptr ~ "]" |
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operand_value
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}
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operand_value_ptr = {
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operand_value
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}
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operand_value = {
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register |
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immediate_bin |
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immediate_hex |
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immediate_dec |
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immediate_char |
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label_name
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}
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size = @{
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".8" |
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".16" |
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".32"
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}
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condition = @{
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"ifz" |
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"ifnz" |
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"ifc" |
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"ifnc"
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}
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instruction = {
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condition? ~ instruction_conditional
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}
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instruction_conditional = {
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instruction_zero |
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instruction_one ~ size? ~ operand |
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instruction_two ~ size? ~ operand ~ "," ~ operand
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}
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instruction_zero = @{
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"nop" |
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"halt" |
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"brk" |
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"reti" |
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"ret" |
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"ise" |
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"icl"
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}
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instruction_one = @{
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"inc" |
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"dec" |
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"not" |
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"jmp" |
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"call" |
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"loop" |
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"rjmp" |
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"rcall" |
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"rloop" |
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"push" |
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"pop"
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}
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instruction_two = @{
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"add" |
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"sub" |
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"mul" |
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"pow" |
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"div" |
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"rem" |
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"and" |
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"or" |
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"xor" |
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"sla" |
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"sra" |
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"srl" |
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"rol" |
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"ror" |
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"bse" |
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"bcl" |
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"bts" |
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"cmp" |
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"movz" |
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"mov" |
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"rta" |
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"in" |
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"out"
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}
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immediate_bin = ${ "0b" ~ body_bin }
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body_bin = @{ ASCII_BIN_DIGIT+ }
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immediate_hex = ${ "0x" ~ body_hex }
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body_hex = @{ ASCII_HEX_DIGIT+ }
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immediate_dec = ${ body_dec }
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body_dec = @{ ASCII_DIGIT+ }
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immediate_char = ${ "'" ~ body_char ~ "'" }
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body_char = @{ '\x00'..'\x7F' }
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immediate_str = ${ "\"" ~ body_str ~ "\"" }
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body_str = @{ body_str_chars* }
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body_str_chars = {
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!("\"" | "\\") ~ ANY
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| "\\" ~ ("\"" | "\\" | "/" | "b" | "f" | "n" | "r" | "t")
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| "\\" ~ ("u" ~ ASCII_HEX_DIGIT{4})
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}
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register = ${ "r" ~ register_num }
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register_num = @{ ASCII_DIGIT+ | "sp" }
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1081
src/main.rs
Normal file
1081
src/main.rs
Normal file
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