forked from AbleOS/holey-bytes
special-cased BRC
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271ab5a953
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116a228c5a
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@ -16,7 +16,7 @@ macros::impl_both!(
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bbbb(p0: R, p1: R, p2: R, p3: R)
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=> [DIR, DIRF, FMAF],
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bbb(p0: R, p1: R, p2: R)
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=> [ADD, SUB, MUL, AND, OR, XOR, SL, SR, SRS, CMP, CMPU, BRC, ADDF, SUBF, MULF],
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=> [ADD, SUB, MUL, AND, OR, XOR, SL, SR, SRS, CMP, CMPU, /*BRC,*/ ADDF, SUBF, MULF],
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bbdh(p0: R, p1: R, p2: I, p3: u16)
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=> [LD, ST],
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bbd(p0: R, p1: R, p2: I)
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@ -30,6 +30,14 @@ macros::impl_both!(
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=> [NOP, ECALL],
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);
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impl Assembler {
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// Special-cased
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#[inline(always)]
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pub fn i_brc(&mut self, p0: u8, p1: u8, p2: u8) {
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self.i_param_bbb(hbbytecode::opcode::BRC, p0, p1, p2)
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}
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}
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pub trait Imm {
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fn insert(&self, asm: &mut Assembler);
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}
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@ -11,7 +11,6 @@ macro_rules! impl_asm_opcodes {
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=> [$opcode:ident, $($rest:tt)*]
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) => {
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paste::paste! {
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#[allow(dead_code)]
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#[inline(always)]
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pub fn [<i_ $opcode:lower>](&mut self, $($param_i: $param_ty),*) {
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self.$generic(hbbytecode::opcode::$opcode, $($param_i),*)
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@ -45,7 +44,6 @@ macro_rules! impl_asm {
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) => {
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paste::paste! {
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$(
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#[allow(dead_code)]
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fn [<i_param_ $ityn>](&mut self, opcode: u8, $($param_i: macros::asm::ident_map_ty!($param_ty)),*) {
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self.buf.push(opcode);
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$(macros::asm::impl_asm_insert!(self, $param_i, $param_ty);)*
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@ -24,6 +24,7 @@ macro_rules! gen_text {
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#[logos(skip r"-- .*")]
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pub enum Token {
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$($(#[token(~([<$opcode:lower>]), |_| hbbytecode::opcode::[<$opcode:upper>])])*)*
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#[token("brc", |_| hbbytecode::opcode::BRC)] // Special-cased
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Opcode(u8),
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#[regex("[0-9]+", |l| l.slice().parse().ok())]
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@ -100,6 +101,17 @@ macro_rules! gen_text {
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self.asm.[<i_param_ $ityn>](op, $($param_i),*);
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}),
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)*
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// Special-cased
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hbbytecode::opcode::BRC => {
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param_extract_itm!(
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self,
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p0: R,
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p1: R,
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p2: u8
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);
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self.asm.i_param_bbb(op, p0, p1, p2);
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}
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_ => unreachable!(),
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}
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}
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@ -123,7 +135,7 @@ macro_rules! gen_text {
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asm.run()
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.map_err(|kind| Error { kind, span: asm.lexer.span() })?;
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for &loc in &asm.asm.sub {
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let val = asm.symloc
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.get(
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@ -166,7 +178,7 @@ macro_rules! gen_text {
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macro_rules! extract_pat {
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($self:expr, $pat:pat) => {
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let $pat = $self.next()?
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else { return Err(ErrorKind::UnexpectedToken) };
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else { return Err(ErrorKind::UnexpectedToken) };
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};
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}
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@ -183,6 +195,11 @@ macro_rules! extract {
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};
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};
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($self:expr, u8, $id:ident) => {
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extract_pat!($self, Token::Integer($id));
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let $id = u8::try_from($id).map_err(|_| ErrorKind::InvalidToken)?;
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};
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($self:expr, u16, $id:ident) => {
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extract_pat!($self, Token::Integer($id));
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let $id = u16::try_from($id).map_err(|_| ErrorKind::InvalidToken)?;
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