And finish the fundamental ops
This commit is contained in:
parent
6ee73379bb
commit
d74018e762
1 changed files with 52 additions and 41 deletions
93
src/vm.rs
93
src/vm.rs
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@ -366,8 +366,9 @@ impl Uxn {
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// JCN1 cnd8 addr8 (relative)
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let delta = wst.borrow_mut().pop1()? as i8;
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let cnd = wst.borrow_mut().pop1()?;
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let delta = wst.borrow_mut().pop1()? as i8;
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if cnd != 0 {
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self.pc += delta;
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self.pc = self.pc.wrapping_add(delta as u16);
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}
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}
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(_, _, 2, 0x0d) => {
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@ -381,7 +382,8 @@ impl Uxn {
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(_, _, 0, 0x0e) => {
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// JSR1 addr8 (relative)
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rst.borrow_mut().push2(self.pc);
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self.pc += (wst.borrow_mut().pop1()? as i8);
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let delta = wst.borrow_mut().pop1()? as i8;
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self.pc = self.pc.wrapping_add(delta as u16);
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}
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(_, _, 1, 0x0e) => {
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// JSR2 addr16 (absolute)
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@ -398,218 +400,227 @@ impl Uxn {
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}
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(_, _, 0, 0x10) => {
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// LDZ1 a -- b8
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let val = self.memory.borrow().get1(wst.pop1()? as u16)?;
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wst.push1(val)?;
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}
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(_, _, 1, 0x10) => {
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// LDZ2 a -- b16
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let val = self.memory.borrow().get2(wst.pop1()? as u16)?;
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wst.push2(val)?;
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}
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(_, _, 0, 0x11) => {
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// STZ1 val addr8 --
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let addr = wst.pop1()?;
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let val = wst.pop1()?;
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self.memory.borrow_mut().set1(addr as u16, val);
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}
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(_, _, 1, 0x11) => {
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// STZ2 val16 addr8 --
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let addr = wst.pop1()?;
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let val = wst.pop2()?;
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self.memory.borrow_mut().set2(addr as u16, val);
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}
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(_, _, 0, 0x12) => {
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// LDR1 addr8 -- a8
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let delta = wst.pop1()? as i8;
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let val = self.memory.borrow().get1(self.pc + delta)?;
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let val = self.memory.borrow().get1(self.pc.wrapping_add(delta as u16))?;
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wst.push1(val)?;
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}
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(_, _, 1, 0x12) => {
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// LDR2 addr8 -- a16
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let delta = wst.pop1()? as i8;
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let val = self.memory.borrow().get2(self.pc + delta)?;
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let val = self.memory.borrow().get2(self.pc.wrapping_add(delta as u16))?;
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wst.push2(val)?;
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}
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(_, _, 0, 0x13) => {
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// STR1 val8 addr8
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let wst = wst.borrow_mut();
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let delta = wst.pop1()? as i8;
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let mut wst = wst.borrow_mut();
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let delta = wst.pop1()?;
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let val = wst.pop1()?;
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self.memory.borrow_mut().set1(self.pc + delta, val);
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self.memory.borrow_mut().set1(self.pc.wrapping_add(delta as u16), val);
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}
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(_, _, 1, 0x13) => {
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// STR2 val16 addr8
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let delta = wst.pop1()? as i8;
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let val = wst.pop2()?;
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self.memory.borrow_mut().set2(self.pc + delta, val);
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self.memory.borrow_mut().set2(self.pc.wrapping_add(delta as u16), val);
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}
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(_, _, 0, 0x14) => {
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// LDA1 a16 -- a8
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let addr = wst.pop2()?;
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let val = self.memory.borrow_mut().get1(addr)?;
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wst.push1(val)?;
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}
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(_, _, 1, 0x14) => {
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// LDA2 a16 -- a16
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let addr = wst.pop2()?;
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let val = self.memory.borrow_mut().get2(addr)?;
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wst.push2(val)?;
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}
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(_, _, 0, 0x15) => {
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// STA1 val a16 --
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let addr = wst.pop2()?;
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let val = wst.pop1()?;
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self.memory.borrow_mut().set1(addr, val)?;
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}
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(_, _, 1, 0x15) => {
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// STA1 val a16 --
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let addr = wst.pop2()?;
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let val = wst.pop2()?;
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self.memory.borrow_mut().set2(addr, val)?;
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}
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(_, _, 0, 0x16) => {
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// DEI1 port8 -- a8
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let port = wst.pop1()?;
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wst.push1(self.dei1(port));
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}
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(_, _, 1, 0x16) => {
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// DEI2 port8 -- a16
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let port = wst.pop1()?;
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wst.push2(self.dei2(port));
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}
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(_, _, 0, 0x17) => {
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// DEO1 a8 port8 --
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let port = wst.pop1()?;
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let val = wst.pop1()?;
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self.deo1(port, val);
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}
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(_, _, 1, 0x17) => {
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// DEO2 a16 port8 --
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let port = wst.pop1()?;
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let val = wst.pop2()?;
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self.deo2(port, val);
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}
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(_, _, 0, 0x18) => {
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// ADD1 a b -- c
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop1()?;
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let a = wst.pop1()?;
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wst.push1(a + b)?;
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}
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(_, _, 1, 0x18) => {
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// ADD2 a16 b16 -- c16
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop2()?;
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let a = wst.pop2()?;
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wst.push2(a + b)?;
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}
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(_, _, 0, 0x19) => {
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// SUB1 a b -- c
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop1()?;
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let a = wst.pop1()?;
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wst.push1(a - b)?;
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}
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(_, _, 1, 0x19) => {
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// SUB2 a16 b16 -- c16
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop2()?;
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let a = wst.pop2()?;
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wst.push2(a - b)?;
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}
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(_, _, 0, 0x1a) => {
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// MUL1 a b -- c
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop1()?;
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let a = wst.pop1()?;
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wst.push1(a * b)?;
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}
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(_, _, 1, 0x1a) => {
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// MUL2 a16 b16 -- c16
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop2()?;
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let a = wst.pop2()?;
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wst.push2(a * b)?;
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}
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(_, _, 0, 0x1b) => {
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// DIV1 a b -- c
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop1()?;
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let a = wst.pop1()?;
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wst.push1(a / b)?;
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}
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(_, _, 1, 0x1b) => {
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// DIV2 a16 b16 -- c16
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop2()?;
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let a = wst.pop2()?;
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wst.push2(a / b)?;
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}
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(_, _, 0, 0x1c) => {
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// AND1 a8 b8 -- c8
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop1()?;
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let a = wst.pop1()?;
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wst.push1(a & b)?;
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}
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(_, _, 1, 0x1c) => {
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// AND2 a16 b16 -- c16
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop2()?;
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let a = wst.pop2()?;
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wst.push2(a & b)?;
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}
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(_, _, 0, 0x1d) => {
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// OR1 a8 b8 -- c8
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop1()?;
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let a = wst.pop1()?;
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wst.push1(a | b)?;
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}
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(_, _, 1, 0x1d) => {
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// OR2 a16 b16 -- c16
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop2()?;
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let a = wst.pop2()?;
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wst.push2(a | b)?;
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}
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(_, _, 0, 0x1e) => {
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// XOR1 a8 b8 -- c8
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop1()?;
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let a = wst.pop1()?;
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wst.push1(a ^ b)?;
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}
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(_, _, 1, 0x1e) => {
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// XOR2 a16 b16 -- c16
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let wst = wst.borrow_mut();
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let mut wst = wst.borrow_mut();
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let b = wst.pop2()?;
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let a = wst.pop2()?;
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wst.push2(a ^ b)?;
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}
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(_, _, 0, 0x1f) => {
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// SFT1
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unimplemented!()
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// SFT1 a shift8 -- b
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let mut wst = wst.borrow_mut();
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let shift = wst.pop1()?;
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let [left, right] = [shift >> 4, shift & 0xF];
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let a = wst.pop1()?;
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wst.push1((a >> right) << left)?;
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}
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(_, _, 1, 0x1f) => {
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// SFT2
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unimplemented!()
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// SFT2 a shift8 -- b
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let mut wst = wst.borrow_mut();
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let shift = wst.pop1()?;
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let [left, right] = [shift >> 4, shift & 0xF];
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let a = wst.pop2()?;
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wst.push2((a >> right) << left)?;
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}
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_ => unreachable!()
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}
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}
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}
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