use crate::*; use std::ops::*; pub struct Processor { pub mem: Memory, pub wst: Stack, pub rst: Stack, pub dev: D, pub cycles: usize, } impl Processor { pub fn new(device_bus: D) -> Self { Self { mem: Memory::new(), wst: Stack::new(), rst: Stack::new(), dev: device_bus, cycles: 0, } } pub fn load_program(&mut self, bytecode: &[u8]) { self.mem.load_program(bytecode); } pub fn evaluate(&mut self, num_cycles: usize) -> Option { macro_rules! w_psh_8 { ($v:expr) => { self.wst.push_u8($v); }; } macro_rules! r_psh_8 { ($v:expr) => { self.rst.push_u8($v); }; } macro_rules! w_psh_16 { ($v:expr) => { self.wst.push_u16($v); }; } macro_rules! r_psh_16 { ($v:expr) => { self.rst.push_u16($v); }; } macro_rules! w_pop_8 { ($v:ident) => { let $v = self.wst.pop_u8(); }; } macro_rules! r_pop_8 { ($v:ident) => { let $v = self.rst.pop_u8(); }; } macro_rules! w_pop_16 { ($v:ident) => { let $v = self.wst.pop_u16(); }; } macro_rules! r_pop_16 { ($v:ident) => { let $v = self.rst.pop_u16(); }; } macro_rules! m_read_8 { ($a:expr) => { self.mem.read_u8($a) }; } macro_rules! m_read_16 { ($a:expr) => { self.mem.read_u16($a) }; } macro_rules! m_lit_8 { ($l:ident) => { let $l = self.mem.read_u8_next(); }; } macro_rules! m_lit_16 { ($l:ident) => { let $l = self.mem.read_u16_next(); }; } macro_rules! m_write_8 { ($v:expr,$a:expr) => { self.mem.write_u8($v,$a); }; } macro_rules! m_write_16 { ($v:expr,$a:expr) => { self.mem.write_u16($v,$a); }; } macro_rules! d_read_8 { ($p:expr) => { self.dev.read_u8($p) }; } macro_rules! d_read_16 { ($p:expr) => { self.dev.read_u16($p) }; } macro_rules! d_write_8 { ($v:expr,$p:expr) => { let s = self.dev.write_u8( $v, $p); if s.is_some() { return s }; }; } macro_rules! d_write_16 { ($v:expr,$p:expr) => { let s = self.dev.write_u16($v, $p); if s.is_some() { return s }; }; } macro_rules! jump { ($a:expr) => { self.mem.write_pc($a) }; } macro_rules! pc { () => { self.mem.read_pc() }; } macro_rules! truth { ($x:expr) => { if $x {0xff} else {0x00} }; } macro_rules! nyb { ($v:expr=>$h:ident,$l:ident) => { let $h=($v>>4) as u32; let $l=($v&0x0f) as u32; } } macro_rules! shf { ($x:expr,$y:expr) => { { nyb!($y=>l,r); $x.wrapping_shl(l).wrapping_shr(r) } } ; } macro_rules! shc { ($x:expr,$y:expr) => { { nyb!($y=>l,r); $x.rotate_left(l).rotate_right(r) } }; } for _ in 0..num_cycles { self.cycles += 1; match self.mem.read_u8_next() { /* HLT */ 0x00 => { return Some(Signal::Halt); } /* JMP */ 0x01 => { w_pop_16!(a); jump!(a); } /* JCN */ 0x02 => { w_pop_16!(a); w_pop_8!(t); if t!=0 {jump!(a)}; } /* JKN */ 0x03 => { w_pop_16!(a); w_pop_8!(t); w_psh_8!(t); if t!=0 {jump!(a)}; } /* EQU */ 0x04 => { w_pop_8!(y); w_pop_8!(x); w_psh_8!(truth!(x==y)); } /* NKQ */ 0x05 => { w_pop_8!(y); w_pop_8!(x); w_psh_8!(x); w_psh_8!(y); w_psh_8!(truth!(x!=y)); } /* LTH */ 0x06 => { w_pop_8!(y); w_pop_8!(x); w_psh_8!(truth!(x { w_pop_8!(y); w_pop_8!(x); w_psh_8!(truth!(x >y)); } /* LDA */ 0x08 => { w_pop_16!(a); w_psh_8!(m_read_8!(a)); } /* LKA */ 0x09 => { w_pop_16!(a); w_psh_16!(a); w_psh_8!(m_read_8!(a)); } /* STA */ 0x0A => { w_pop_16!(a); w_pop_8!(v); m_write_8!(v,a); } /* SKA */ 0x0B => { w_pop_8!(v); w_pop_16!(a); w_psh_16!(a); m_write_8!(v,a); } /* LDD */ 0x0C => { w_pop_8!(p); w_psh_8!(d_read_8!(p)); }, /* LKD */ 0x0D => { w_pop_8!(p); w_psh_8!(p); w_psh_8!(d_read_8!(p)); }, /* STD */ 0x0E => { w_pop_8!(p); w_pop_8!(v); d_write_8!(v,p); }, /* SKD */ 0x0F => { w_pop_8!(p); w_pop_8!(v); w_psh_8!(v); d_write_8!(v,p); }, /* PSH */ 0x10 => { r_pop_8!(x); w_psh_8!(x); }, /* POP */ 0x11 => { w_pop_8!(_x); }, /* SHF */ 0x12 => { w_pop_8!(y); w_pop_8!(x); w_psh_8!(shf!(x,y)); }, /* SHC */ 0x13 => { w_pop_8!(y); w_pop_8!(x); w_psh_8!(shc!(x,y)); }, /* SWP */ 0x14 => { w_pop_8!(y); w_pop_8!(x); w_psh_8!(y); w_psh_8!(x); }, /* ROT */ 0x15 => { w_pop_8!(z); w_pop_8!(y); w_pop_8!(x); w_psh_8!(y); w_psh_8!(z); w_psh_8!(x); }, /* DUP */ 0x16 => { w_pop_8!(x); w_psh_8!(x); w_psh_8!(x); }, /* OVR */ 0x17 => { w_pop_8!(y); w_pop_8!(x); w_psh_8!(x); w_psh_8!(y); w_psh_8!(x); }, /* ADD */ 0x18 => { w_pop_8!(y); w_pop_8!(x); w_psh_8!(x.wrapping_add(y)); }, /* SUB */ 0x19 => { w_pop_8!(y); w_pop_8!(x); w_psh_8!(x.wrapping_sub(y)); }, /* INC */ 0x1A => { w_pop_8!(x); w_psh_8!(x.wrapping_add(1)); }, /* DEC */ 0x1B => { w_pop_8!(x); w_psh_8!(x.wrapping_sub(1)); }, /* NOT */ 0x1C => { w_pop_8!(x); w_psh_8!(x.not()); }, /* AND */ 0x1D => { w_pop_8!(y); w_pop_8!(x); w_psh_8!(x.bitand(y)); }, /* IOR */ 0x1E => { w_pop_8!(y); w_pop_8!(x); w_psh_8!(x.bitor(y)); }, /* XOR */ 0x1F => { w_pop_8!(y); w_pop_8!(x); w_psh_8!(x.bitxor(y)); }, /* DBG */ 0x20 => { return Some(Signal::Debug); } /* JSR */ 0x21 => { w_pop_16!(a); r_psh_16!(pc!()); jump!(a); } /* JSN */ 0x22 => { w_pop_16!(a); w_pop_8!(t); if t!=0 {r_psh_16!(pc!()); jump!(a)}; } /* JKN* */ 0x23 => { w_pop_16!(a); w_pop_16!(t); w_psh_16!(t); if t!=0 {jump!(a)}; } /* EQU* */ 0x24 => { w_pop_16!(y); w_pop_16!(x); w_psh_8!(truth!(x==y)); } /* NKQ* */ 0x25 => { w_pop_16!(y); w_pop_16!(x); w_psh_16!(x); w_psh_16!(y); w_psh_8!(truth!(x!=y)); } /* LTH* */ 0x26 => { w_pop_16!(y); w_pop_16!(x); w_psh_8!(truth!(x { w_pop_16!(y); w_pop_16!(x); w_psh_8!(truth!(x >y)); } /* LDA* */ 0x28 => { w_pop_16!(a); w_psh_16!(m_read_16!(a)); } /* LKA* */ 0x29 => { w_pop_16!(a); w_psh_16!(a); w_psh_16!(m_read_16!(a)); } /* STA* */ 0x2A => { w_pop_16!(a); w_pop_16!(v); m_write_16!(v,a); } /* SKA* */ 0x2B => { w_pop_16!(v); w_pop_16!(a); w_psh_16!(a); m_write_16!(v,a); } /* LDD* */ 0x2C => { w_pop_8!(p); w_psh_16!(d_read_16!(p)); }, /* LKD* */ 0x2D => { w_pop_8!(p); w_psh_8!(p); w_psh_16!(d_read_16!(p)); }, /* STD* */ 0x2E => { w_pop_8!(p); w_pop_16!(v); d_write_16!(v,p); }, /* SKD* */ 0x2F => { w_pop_8!(p); w_pop_16!(v); w_psh_16!(v); d_write_16!(v,p); }, /* PSH* */ 0x30 => { r_pop_16!(x); w_psh_16!(x); }, /* POP* */ 0x31 => { w_pop_16!(_x); }, /* SHF* */ 0x32 => { w_pop_8!(y); w_pop_16!(x); w_psh_16!(shf!(x,y)); }, /* SHC* */ 0x33 => { w_pop_8!(y); w_pop_16!(x); w_psh_16!(shc!(x,y)); }, /* SWP* */ 0x34 => { w_pop_16!(y); w_pop_16!(x); w_psh_16!(y); w_psh_16!(x); }, /* ROT* */ 0x35 => { w_pop_16!(z); w_pop_16!(y); w_pop_16!(x); w_psh_16!(y); w_psh_16!(z); w_psh_16!(x); }, /* DUP* */ 0x36 => { w_pop_16!(x); w_psh_16!(x); w_psh_16!(x); }, /* OVR* */ 0x37 => { w_pop_16!(y); w_pop_16!(x); w_psh_16!(x); w_psh_16!(y); w_psh_16!(x); }, /* ADD* */ 0x38 => { w_pop_16!(y); w_pop_16!(x); w_psh_16!(x.wrapping_add(y)); }, /* SUB* */ 0x39 => { w_pop_16!(y); w_pop_16!(x); w_psh_16!(x.wrapping_sub(y)); }, /* INC* */ 0x3A => { w_pop_16!(x); w_psh_16!(x.wrapping_add(1)); }, /* DEC* */ 0x3B => { w_pop_16!(x); w_psh_16!(x.wrapping_sub(1)); }, /* NOT* */ 0x3C => { w_pop_16!(x); w_psh_16!(x.not()); }, /* AND* */ 0x3D => { w_pop_16!(y); w_pop_16!(x); w_psh_16!(x.bitand(y)); }, /* IOR* */ 0x3E => { w_pop_16!(y); w_pop_16!(x); w_psh_16!(x.bitor(y)); }, /* XOR* */ 0x3F => { w_pop_16!(y); w_pop_16!(x); w_psh_16!(x.bitxor(y)); }, /* -- */ 0x40 => { } /* JMP: */ 0x41 => { m_lit_16!(a); jump!(a); } /* JCN: */ 0x42 => { m_lit_16!(a); w_pop_8!(t); if t!=0{jump!(a)}; } /* JKN: */ 0x43 => { m_lit_16!(a); w_pop_8!(t); w_psh_8!(t); if t!=0{jump!(a)}; } /* EQU: */ 0x44 => { m_lit_8!(y); w_pop_8!(x); w_psh_8!(truth!(x==y)); } /* NKQ: */ 0x45 => { m_lit_8!(y); w_pop_8!(x); w_psh_8!(x); w_psh_8!(y); w_psh_8!(truth!(x!=y)); } /* LTH: */ 0x46 => { m_lit_8!(y); w_pop_8!(x); w_psh_8!(truth!(x { m_lit_8!(y); w_pop_8!(x); w_psh_8!(truth!(x >y)); } /* LDA: */ 0x48 => { m_lit_16!(a); w_psh_8!(m_read_8!(a)); } /* LKA: */ 0x49 => { m_lit_16!(a); w_psh_16!(a); w_psh_8!(m_read_8!(a)); } /* STA: */ 0x4A => { m_lit_16!(a); w_pop_8!(v); m_write_8!(v,a); } /* SKA: */ 0x4B => { m_lit_8!(v); w_pop_16!(a); w_psh_16!(a); m_write_8!(v,a); } /* LDD: */ 0x4C => { m_lit_8!(p); w_psh_8!(d_read_8!(p)); }, /* LKD: */ 0x4D => { m_lit_8!(p); w_psh_8!(p); w_psh_8!(d_read_8!(p)); }, /* STD: */ 0x4E => { m_lit_8!(p); w_pop_8!(v); d_write_8!(v,p); }, /* SKD: */ 0x4F => { m_lit_8!(p); w_pop_8!(v); w_psh_8!(v); d_write_8!(v,p); }, /* PSH: */ 0x50 => { m_lit_8!(x); w_psh_8!(x); }, /* POP: */ 0x51 => { m_lit_8!(_x); }, /* SHF: */ 0x52 => { m_lit_8!(y); w_pop_8!(x); w_psh_8!(shf!(x,y)); }, /* SHC: */ 0x53 => { m_lit_8!(y); w_pop_8!(x); w_psh_8!(shc!(x,y)); }, /* SWP: */ 0x54 => { m_lit_8!(y); w_pop_8!(x); w_psh_8!(y); w_psh_8!(x); }, /* ROT: */ 0x55 => { m_lit_8!(z); w_pop_8!(y); w_pop_8!(x); w_psh_8!(y); w_psh_8!(z); w_psh_8!(x); }, /* DUP: */ 0x56 => { m_lit_8!(x); w_psh_8!(x); w_psh_8!(x); }, /* OVR: */ 0x57 => { m_lit_8!(y); w_pop_8!(x); w_psh_8!(x); w_psh_8!(y); w_psh_8!(x); }, /* ADD: */ 0x58 => { m_lit_8!(y); w_pop_8!(x); w_psh_8!(x.wrapping_add(y)); }, /* SUB: */ 0x59 => { m_lit_8!(y); w_pop_8!(x); w_psh_8!(x.wrapping_sub(y)); }, /* INC: */ 0x5A => { m_lit_8!(x); w_psh_8!(x.wrapping_add(1)); }, /* DEC: */ 0x5B => { m_lit_8!(x); w_psh_8!(x.wrapping_sub(1)); }, /* NOT: */ 0x5C => { m_lit_8!(x); w_psh_8!(x.not()); }, /* AND: */ 0x5D => { m_lit_8!(y); w_pop_8!(x); w_psh_8!(x.bitand(y)); }, /* IOR: */ 0x5E => { m_lit_8!(y); w_pop_8!(x); w_psh_8!(x.bitor(y)); }, /* XOR: */ 0x5F => { m_lit_8!(y); w_pop_8!(x); w_psh_8!(x.bitxor(y)); }, /* -- */ 0x60 => { } /* JSR: */ 0x61 => { m_lit_16!(a); r_psh_16!(pc!()); jump!(a); } /* JSN: */ 0x62 => { m_lit_16!(a); w_pop_8!(t); if t!=0 {r_psh_16!(pc!()); jump!(a)}; } /* JKN*: */ 0x63 => { m_lit_16!(a); w_pop_16!(t); w_psh_16!(t); if t!=0 {jump!(a)}; } /* EQU*: */ 0x64 => { m_lit_16!(y); w_pop_16!(x); w_psh_8!(truth!(x==y)); } /* NKQ*: */ 0x65 => { m_lit_16!(y); w_pop_16!(x); w_psh_16!(x); w_psh_16!(y); w_psh_8!(truth!(x!=y)); } /* LTH*: */ 0x66 => { m_lit_16!(y); w_pop_16!(x); w_psh_8!(truth!(x { m_lit_16!(y); w_pop_16!(x); w_psh_8!(truth!(x >y)); } /* LDA*: */ 0x68 => { m_lit_16!(a); w_psh_16!(m_read_16!(a)); } /* LKA*: */ 0x69 => { m_lit_16!(a); w_psh_16!(a); w_psh_16!(m_read_16!(a)); } /* STA*: */ 0x6A => { m_lit_16!(a); w_pop_16!(v); m_write_16!(v,a); } /* SKA*: */ 0x6B => { m_lit_16!(v); w_pop_16!(a); w_psh_16!(a); m_write_16!(v,a); } /* LDD*: */ 0x6C => { m_lit_8!(p); w_psh_16!(d_read_16!(p)); }, /* LKD*: */ 0x6D => { m_lit_8!(p); w_psh_8!(p); w_psh_16!(d_read_16!(p)); }, /* STD*: */ 0x6E => { m_lit_8!(p); w_pop_16!(v); d_write_16!(v,p); }, /* SKD*: */ 0x6F => { m_lit_8!(p); w_pop_16!(v); w_psh_16!(v); d_write_16!(v,p); }, /* PSH*: */ 0x70 => { m_lit_16!(x); w_psh_16!(x); }, /* POP*: */ 0x71 => { m_lit_16!(_x); }, /* SHF*: */ 0x72 => { m_lit_8!(y); w_pop_16!(x); w_psh_16!(shf!(x,y)); }, /* SHC*: */ 0x73 => { m_lit_8!(y); w_pop_16!(x); w_psh_16!(shc!(x,y)); }, /* SWP*: */ 0x74 => { m_lit_16!(y); w_pop_16!(x); w_psh_16!(y); w_psh_16!(x); }, /* ROT*: */ 0x75 => { m_lit_16!(z); w_pop_16!(y); w_pop_16!(x); w_psh_16!(y); w_psh_16!(z); w_psh_16!(x); }, /* DUP*: */ 0x76 => { m_lit_16!(x); w_psh_16!(x); w_psh_16!(x); }, /* OVR*: */ 0x77 => { m_lit_16!(y); w_pop_16!(x); w_psh_16!(x); w_psh_16!(y); w_psh_16!(x); }, /* ADD*: */ 0x78 => { m_lit_16!(y); w_pop_16!(x); w_psh_16!(x.wrapping_add(y)); }, /* SUB*: */ 0x79 => { m_lit_16!(y); w_pop_16!(x); w_psh_16!(x.wrapping_sub(y)); }, /* INC*: */ 0x7A => { m_lit_16!(x); w_psh_16!(x.wrapping_add(1)); }, /* DEC*: */ 0x7B => { m_lit_16!(x); w_psh_16!(x.wrapping_sub(1)); }, /* NOT*: */ 0x7C => { m_lit_16!(x); w_psh_16!(x.not()); }, /* AND*: */ 0x7D => { m_lit_16!(y); w_pop_16!(x); w_psh_16!(x.bitand(y)); }, /* IOR*: */ 0x7E => { m_lit_16!(y); w_pop_16!(x); w_psh_16!(x.bitor(y)); }, /* XOR*: */ 0x7F => { m_lit_16!(y); w_pop_16!(x); w_psh_16!(x.bitxor(y)); }, /* -- */ 0x80 => { } /* JMPr */ 0x81 => { r_pop_16!(a); jump!(a); } /* JCNr */ 0x82 => { r_pop_16!(a); r_pop_8!(t); if t!=0{jump!(a)}; } /* JKNr */ 0x83 => { r_pop_16!(a); r_pop_8!(t); r_psh_8!(t); if t!=0{jump!(a)}; } /* EQUr */ 0x84 => { r_pop_8!(y); r_pop_8!(x); r_psh_8!(truth!(x==y)); } /* NKQr */ 0x85 => { r_pop_8!(y); r_pop_8!(x); r_psh_8!(x); r_psh_8!(y); r_psh_8!(truth!(x!=y)); } /* LTHr */ 0x86 => { r_pop_8!(y); r_pop_8!(x); r_psh_8!(truth!(x { r_pop_8!(y); r_pop_8!(x); r_psh_8!(truth!(x >y)); } /* LDAr */ 0x88 => { r_pop_16!(a); r_psh_8!(m_read_8!(a)); } /* LKAr */ 0x89 => { r_pop_16!(a); r_psh_16!(a); r_psh_8!(m_read_8!(a)); } /* STAr */ 0x8A => { r_pop_16!(a); r_pop_8!(v); m_write_8!(v,a); } /* SKAr */ 0x8B => { r_pop_8!(v); r_pop_16!(a); r_psh_16!(a); m_write_8!(v,a); } /* LDDr */ 0x8C => { r_pop_8!(p); r_psh_8!(d_read_8!(p)); }, /* LKDr */ 0x8D => { r_pop_8!(p); r_psh_8!(p); r_psh_8!(d_read_8!(p)); }, /* STDr */ 0x8E => { r_pop_8!(p); r_pop_8!(v); d_write_8!(v,p); }, /* SKDr */ 0x8F => { r_pop_8!(p); r_pop_8!(v); r_psh_8!(v); d_write_8!(v,p); }, /* PSHr */ 0x90 => { w_pop_8!(x); r_psh_8!(x); }, /* POPr */ 0x91 => { r_pop_8!(_x); }, /* SHFr */ 0x92 => { r_pop_8!(y); r_pop_8!(x); r_psh_8!(shf!(x,y)); }, /* SHCr */ 0x93 => { r_pop_8!(y); r_pop_8!(x); r_psh_8!(shc!(x,y)); }, /* SWPr */ 0x94 => { r_pop_8!(y); r_pop_8!(x); r_psh_8!(y); r_psh_8!(x); }, /* ROTr */ 0x95 => { r_pop_8!(z); r_pop_8!(y); r_pop_8!(x); r_psh_8!(y); r_psh_8!(z); r_psh_8!(x); }, /* DUPr */ 0x96 => { r_pop_8!(x); r_psh_8!(x); r_psh_8!(x); }, /* OVRr */ 0x97 => { r_pop_8!(y); r_pop_8!(x); r_psh_8!(x); r_psh_8!(y); r_psh_8!(x); }, /* ADDr */ 0x98 => { r_pop_8!(y); r_pop_8!(x); r_psh_8!(x.wrapping_add(y)); }, /* SUBr */ 0x99 => { r_pop_8!(y); r_pop_8!(x); r_psh_8!(x.wrapping_sub(y)); }, /* INCr */ 0x9A => { r_pop_8!(x); r_psh_8!(x.wrapping_add(1)); }, /* DECr */ 0x9B => { r_pop_8!(x); r_psh_8!(x.wrapping_sub(1)); }, /* NOTr */ 0x9C => { r_pop_8!(x); r_psh_8!(x.not()); }, /* ANDr */ 0x9D => { r_pop_8!(y); r_pop_8!(x); r_psh_8!(x.bitand(y)); }, /* IORr */ 0x9E => { r_pop_8!(y); r_pop_8!(x); r_psh_8!(x.bitor(y)); }, /* XORr */ 0x9F => { r_pop_8!(y); r_pop_8!(x); r_psh_8!(x.bitxor(y)); }, /* -- */ 0xA0 => { } /* JSRr */ 0xA1 => { r_pop_16!(a); w_psh_16!(pc!()); jump!(a); } /* JSNr */ 0xA2 => { r_pop_16!(a); r_pop_8!(t); if t!=0 {w_psh_16!(pc!()); jump!(a)}; } /* JKNr* */ 0xA3 => { r_pop_16!(a); r_pop_16!(t); r_psh_16!(t); if t!=0 {jump!(a)}; } /* EQUr* */ 0xA4 => { r_pop_16!(y); r_pop_16!(x); r_psh_8!(truth!(x==y)); } /* NKQr* */ 0xA5 => { r_pop_16!(y); r_pop_16!(x); r_psh_16!(x); r_psh_16!(y); r_psh_8!(truth!(x!=y)); } /* LTHr* */ 0xA6 => { r_pop_16!(y); r_pop_16!(x); r_psh_8!(truth!(x { r_pop_16!(y); r_pop_16!(x); r_psh_8!(truth!(x >y)); } /* LDAr* */ 0xA8 => { r_pop_16!(a); r_psh_16!(m_read_16!(a)); } /* LKAr* */ 0xA9 => { r_pop_16!(a); r_psh_16!(a); r_psh_16!(m_read_16!(a)); } /* STAr* */ 0xAA => { r_pop_16!(a); r_pop_16!(v); m_write_16!(v,a); } /* SKAr* */ 0xAB => { r_pop_16!(v); r_pop_16!(a); r_psh_16!(a); m_write_16!(v,a); } /* LDDr* */ 0xAC => { r_pop_8!(p); r_psh_16!(d_read_16!(p)); }, /* LKDr* */ 0xAD => { r_pop_8!(p); r_psh_8!(p); r_psh_16!(d_read_16!(p)); }, /* STDr* */ 0xAE => { r_pop_8!(p); r_pop_16!(v); d_write_16!(v,p); }, /* SKDr* */ 0xAF => { r_pop_8!(p); r_pop_16!(v); r_psh_16!(v); d_write_16!(v,p); }, /* PSHr* */ 0xB0 => { w_pop_16!(x); r_psh_16!(x); }, /* POPr* */ 0xB1 => { r_pop_16!(_x); }, /* SHFr* */ 0xB2 => { r_pop_8!(y); r_pop_16!(x); r_psh_16!(shf!(x,y)); }, /* SHCr* */ 0xB3 => { r_pop_8!(y); r_pop_16!(x); r_psh_16!(shc!(x,y)); }, /* SWPr* */ 0xB4 => { r_pop_16!(y); r_pop_16!(x); r_psh_16!(y); r_psh_16!(x); }, /* ROTr* */ 0xB5 => { r_pop_16!(z); r_pop_16!(y); r_pop_16!(x); r_psh_16!(y); r_psh_16!(z); r_psh_16!(x); }, /* DUPr* */ 0xB6 => { r_pop_16!(x); r_psh_16!(x); r_psh_16!(x); }, /* OVRr* */ 0xB7 => { r_pop_16!(y); r_pop_16!(x); r_psh_16!(x); r_psh_16!(y); r_psh_16!(x); }, /* ADDr* */ 0xB8 => { r_pop_16!(y); r_pop_16!(x); r_psh_16!(x.wrapping_add(y)); }, /* SUBr* */ 0xB9 => { r_pop_16!(y); r_pop_16!(x); r_psh_16!(x.wrapping_sub(y)); }, /* INCr* */ 0xBA => { r_pop_16!(x); r_psh_16!(x.wrapping_add(1)); }, /* DECr* */ 0xBB => { r_pop_16!(x); r_psh_16!(x.wrapping_sub(1)); }, /* NOTr* */ 0xBC => { r_pop_16!(x); r_psh_16!(x.not()); }, /* ANDr* */ 0xBD => { r_pop_16!(y); r_pop_16!(x); r_psh_16!(x.bitand(y)); }, /* IORr* */ 0xBE => { r_pop_16!(y); r_pop_16!(x); r_psh_16!(x.bitor(y)); }, /* XORr* */ 0xBF => { r_pop_16!(y); r_pop_16!(x); r_psh_16!(x.bitxor(y)); }, /* -- */ 0xC0 => { } /* JMPr: */ 0xC1 => { m_lit_16!(a); jump!(a); } /* JCNr: */ 0xC2 => { m_lit_16!(a); r_pop_8!(t); if t!=0{jump!(a)}; } /* JKNr: */ 0xC3 => { m_lit_16!(a); r_pop_8!(t); r_psh_8!(t); if t!=0{jump!(a)}; } /* EQUr: */ 0xC4 => { m_lit_8!(y); r_pop_8!(x); r_psh_8!(truth!(x==y)); } /* NKQr: */ 0xC5 => { m_lit_8!(y); r_pop_8!(x); r_psh_8!(x); r_psh_8!(y); r_psh_8!(truth!(x!=y)); } /* LTHr: */ 0xC6 => { m_lit_8!(y); r_pop_8!(x); r_psh_8!(truth!(x { m_lit_8!(y); r_pop_8!(x); r_psh_8!(truth!(x >y)); } /* LDAr: */ 0xC8 => { m_lit_16!(a); r_psh_8!(m_read_8!(a)); } /* LKAr: */ 0xC9 => { m_lit_16!(a); r_psh_16!(a); r_psh_8!(m_read_8!(a)); } /* STAr: */ 0xCA => { m_lit_16!(a); r_pop_8!(v); m_write_8!(v,a); } /* SKAr: */ 0xCB => { m_lit_8!(v); r_pop_16!(a); r_psh_16!(a); m_write_8!(v,a); } /* LDDr: */ 0xCC => { m_lit_8!(p); r_psh_8!(d_read_8!(p)); }, /* LKDr: */ 0xCD => { m_lit_8!(p); r_psh_8!(p); r_psh_8!(d_read_8!(p)); }, /* STDr: */ 0xCE => { m_lit_8!(p); r_pop_8!(v); d_write_8!(v,p); }, /* SKDr: */ 0xCF => { m_lit_8!(p); r_pop_8!(v); r_psh_8!(v); d_write_8!(v,p); }, /* PSHr: */ 0xD0 => { m_lit_8!(x); r_psh_8!(x); }, /* POPr: */ 0xD1 => { m_lit_8!(_x); }, /* SHFr: */ 0xD2 => { m_lit_8!(y); r_pop_8!(x); r_psh_8!(shf!(x,y)); }, /* SHCr: */ 0xD3 => { m_lit_8!(y); r_pop_8!(x); r_psh_8!(shc!(x,y)); }, /* SWPr: */ 0xD4 => { m_lit_8!(y); r_pop_8!(x); r_psh_8!(y); r_psh_8!(x); }, /* ROTr: */ 0xD5 => { m_lit_8!(z); r_pop_8!(y); r_pop_8!(x); r_psh_8!(y); r_psh_8!(z); r_psh_8!(x); }, /* DUPr: */ 0xD6 => { m_lit_8!(x); r_psh_8!(x); r_psh_8!(x); }, /* OVRr: */ 0xD7 => { m_lit_8!(y); r_pop_8!(x); r_psh_8!(x); r_psh_8!(y); r_psh_8!(x); }, /* ADDr: */ 0xD8 => { m_lit_8!(y); r_pop_8!(x); r_psh_8!(x.wrapping_add(y)); }, /* SUBr: */ 0xD9 => { m_lit_8!(y); r_pop_8!(x); r_psh_8!(x.wrapping_sub(y)); }, /* INCr: */ 0xDA => { m_lit_8!(x); r_psh_8!(x.wrapping_add(1)); }, /* DECr: */ 0xDB => { m_lit_8!(x); r_psh_8!(x.wrapping_sub(1)); }, /* NOTr: */ 0xDC => { m_lit_8!(x); r_psh_8!(x.not()); }, /* ANDr: */ 0xDD => { m_lit_8!(y); r_pop_8!(x); r_psh_8!(x.bitand(y)); }, /* IORr: */ 0xDE => { m_lit_8!(y); r_pop_8!(x); r_psh_8!(x.bitor(y)); }, /* XORr: */ 0xDF => { m_lit_8!(y); r_pop_8!(x); r_psh_8!(x.bitxor(y)); }, /* NOP */ 0xE0 => { } /* JSRr: */ 0xE1 => { m_lit_16!(a); w_psh_16!(pc!()); jump!(a); } /* JSNr: */ 0xE2 => { m_lit_16!(a); r_pop_8!(t); if t!=0 {w_psh_16!(pc!()); jump!(a)}; } /* JKNr*: */ 0xE3 => { m_lit_16!(a); r_pop_16!(t); r_psh_16!(t); if t!=0 {jump!(a)}; } /* EQUr*: */ 0xE4 => { m_lit_16!(y); r_pop_16!(x); r_psh_8!(truth!(x==y)); } /* NKQr*: */ 0xE5 => { m_lit_16!(y); r_pop_16!(x); r_psh_16!(x); r_psh_16!(y); r_psh_8!(truth!(x!=y)); } /* LTHr*: */ 0xE6 => { m_lit_16!(y); r_pop_16!(x); r_psh_8!(truth!(x { m_lit_16!(y); r_pop_16!(x); r_psh_8!(truth!(x >y)); } /* LDAr*: */ 0xE8 => { m_lit_16!(a); r_psh_16!(m_read_16!(a)); } /* LKAr*: */ 0xE9 => { m_lit_16!(a); r_psh_16!(a); r_psh_16!(m_read_16!(a)); } /* STAr*: */ 0xEA => { m_lit_16!(a); r_pop_16!(v); m_write_16!(v,a); } /* SKAr*: */ 0xEB => { m_lit_16!(v); r_pop_16!(a); r_psh_16!(a); m_write_16!(v,a); } /* LDDr*: */ 0xEC => { m_lit_8!(p); r_psh_16!(d_read_16!(p)); }, /* LKDr*: */ 0xED => { m_lit_8!(p); r_psh_8!(p); r_psh_16!(d_read_16!(p)); }, /* STDr*: */ 0xEE => { m_lit_8!(p); r_pop_16!(v); d_write_16!(v,p); }, /* SKDr*: */ 0xEF => { m_lit_8!(p); r_pop_16!(v); r_psh_16!(v); d_write_16!(v,p); }, /* PSHr*: */ 0xF0 => { m_lit_16!(x); r_psh_16!(x); }, /* POPr*: */ 0xF1 => { m_lit_16!(_x); }, /* SHFr*: */ 0xF2 => { m_lit_8!(y); r_pop_16!(x); r_psh_16!(shf!(x,y)); }, /* SHCr*: */ 0xF3 => { m_lit_8!(y); r_pop_16!(x); r_psh_16!(shc!(x,y)); }, /* SWPr*: */ 0xF4 => { m_lit_16!(y); r_pop_16!(x); r_psh_16!(y); r_psh_16!(x); }, /* ROTr*: */ 0xF5 => { m_lit_16!(z); r_pop_16!(y); r_pop_16!(x); r_psh_16!(y); r_psh_16!(z); r_psh_16!(x); }, /* DUPr*: */ 0xF6 => { m_lit_16!(x); r_psh_16!(x); r_psh_16!(x); }, /* OVRr*: */ 0xF7 => { m_lit_16!(y); r_pop_16!(x); r_psh_16!(x); r_psh_16!(y); r_psh_16!(x); }, /* ADDr*: */ 0xF8 => { m_lit_16!(y); r_pop_16!(x); r_psh_16!(x.wrapping_add(y)); }, /* SUBr*: */ 0xF9 => { m_lit_16!(y); r_pop_16!(x); r_psh_16!(x.wrapping_sub(y)); }, /* INCr*: */ 0xFA => { m_lit_16!(x); r_psh_16!(x.wrapping_add(1)); }, /* DECr*: */ 0xFB => { m_lit_16!(x); r_psh_16!(x.wrapping_sub(1)); }, /* NOTr*: */ 0xFC => { m_lit_16!(x); r_psh_16!(x.not()); }, /* ANDr*: */ 0xFD => { m_lit_16!(y); r_pop_16!(x); r_psh_16!(x.bitand(y)); }, /* IORr*: */ 0xFE => { m_lit_16!(y); r_pop_16!(x); r_psh_16!(x.bitor(y)); }, /* XORr*: */ 0xFF => { m_lit_16!(y); r_pop_16!(x); r_psh_16!(x.bitxor(y)); }, } } return None; } }