danbarber/8080
1
0
Fork 0
mirror of https://github.com/danbee/8080 synced 2025-03-04 08:39:07 +00:00
Code Issues Releases Wiki Activity
61fd631cfc
8080/src/main.rs

505 lines
25 KiB
Rust
Raw Blame History

use std::io::{self, Read};
fn print_mnemonic(mnemonic: &str, bytes: &[u8]) {
match bytes.len() {
1 => println!("{:02x} {}", bytes[0], mnemonic),
2 => println!("{:02x} {:02x} {:5} #0x{:02x}", bytes[0], bytes[1], mnemonic, bytes[1]),
3 => println!("{:02x} {:02x} {:02x} {:5} ${:02x}{:02x}", bytes[0], bytes[1], bytes[2], mnemonic, bytes[2], bytes[1]),
_ => {},
}
}
fn opcode(input: &Vec<u8>, counter: usize) -> usize {
let size: usize;
let opcode = input[counter];
match opcode {
// 00
0x00 => { print_mnemonic("NOP", &input[counter..counter + 1]); size = 1 },
0x01 => {
println!("LXI B,${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0x02 => { print_mnemonic("STAX B", &input[counter..counter + 1]); size = 1 },
0x03 => { print_mnemonic("INX B", &input[counter..counter + 1]); size = 1 },
0x04 => { print_mnemonic("INR B", &input[counter..counter + 1]); size = 1 },
0x05 => { print_mnemonic("DCR B", &input[counter..counter + 1]); size = 1 },
0x06 => { print_mnemonic("MVI B,", &input[counter..counter + 2]); size = 2; },
0x07 => { print_mnemonic("RLC", &input[counter..counter + 1]); size = 1 },
// 08
0x08 => { print_mnemonic("*NOP", &input[counter..counter + 1]); size = 1 },
0x09 => { print_mnemonic("DAD B", &input[counter..counter + 1]); size = 1 },
0x0a => { print_mnemonic("LDAX B", &input[counter..counter + 1]); size = 1 },
0x0b => { print_mnemonic("DCX B", &input[counter..counter + 1]); size = 1 },
0x0c => { print_mnemonic("INR C", &input[counter..counter + 1]); size = 1 },
0x0d => { print_mnemonic("DCR C", &input[counter..counter + 1]); size = 1 },
0x0e => {
println!("MVI C,#0x{:02x}", input[counter + 1]);
size = 2;
},
0x0f => { print_mnemonic("RRC", &input[counter..counter + 1]); size = 1 },
// 10
0x10 => { print_mnemonic("*NOP", &input[counter..counter + 1]); size = 1 },
0x11 => {
println!("LXI D,${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0x12 => { print_mnemonic("STAX D", &input[counter..counter + 1]); size = 1 },
0x13 => { print_mnemonic("INX D", &input[counter..counter + 1]); size = 1 },
0x14 => { print_mnemonic("INR D", &input[counter..counter + 1]); size = 1 },
0x15 => { print_mnemonic("DCR D", &input[counter..counter + 1]); size = 1 },
0x16 => {
println!("MVI D,#0x{:02x}", input[counter + 1]);
size = 2;
},
0x17 => { print_mnemonic("RAL", &input[counter..counter + 1]); size = 1 },
// 18
0x18 => { print_mnemonic("*NOP", &input[counter..counter + 1]); size = 1 },
0x19 => { print_mnemonic("DAD D", &input[counter..counter + 1]); size = 1 },
0x1a => { print_mnemonic("LDAX D", &input[counter..counter + 1]); size = 1 },
0x1b => { print_mnemonic("DCX D", &input[counter..counter + 1]); size = 1 },
0x1c => { print_mnemonic("INR E", &input[counter..counter + 1]); size = 1 },
0x1d => { print_mnemonic("DCR E", &input[counter..counter + 1]); size = 1 },
0x1e => {
println!("MVI E,#0x{:02x}", input[counter + 1]);
size = 2;
},
0x1f => { print_mnemonic("RAR", &input[counter..counter + 1]); size = 1 },
// 20
0x20 => { print_mnemonic("*NOP", &input[counter..counter + 1]); size = 1 },
0x21 => {
println!("LXI H,${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0x22 => {
println!("SHLD ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0x23 => { print_mnemonic("INX H", &input[counter..counter + 1]); size = 1 },
0x24 => { print_mnemonic("INR H", &input[counter..counter + 1]); size = 1 },
0x25 => { print_mnemonic("DCR H", &input[counter..counter + 1]); size = 1 },
0x26 => {
println!("MVI H,#0x{:02x}", input[counter + 1]);
size = 2;
},
0x27 => { print_mnemonic("DDA", &input[counter..counter + 1]); size = 1 },
// 28
0x28 => { print_mnemonic("*NOP", &input[counter..counter + 1]); size = 1 },
0x29 => { print_mnemonic("DAD H", &input[counter..counter + 1]); size = 1 },
0x2a => {
println!("LHLD ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0x2b => { print_mnemonic("DCX H", &input[counter..counter + 1]); size = 1 },
0x2c => { print_mnemonic("INR L", &input[counter..counter + 1]); size = 1 },
0x2d => { print_mnemonic("DCR L", &input[counter..counter + 1]); size = 1 },
0x2e => {
println!("MVI L,#0x{:02x}", input[counter + 1]);
size = 2;
},
0x2f => { print_mnemonic("CMA", &input[counter..counter + 1]); size = 1 },
// 30
0x30 => { print_mnemonic("*NOP", &input[counter..counter + 1]); size = 1 },
0x31 => {
println!("LXI SP,${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0x32 => {
println!("STA ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0x33 => { print_mnemonic("INX SP", &input[counter..counter + 1]); size = 1 },
0x34 => { print_mnemonic("INR M", &input[counter..counter + 1]); size = 1 },
0x35 => { print_mnemonic("DCR M", &input[counter..counter + 1]); size = 1 },
0x36 => {
println!("MVI M,#0x{:02x}", input[counter + 1]);
size = 2;
},
0x37 => { print_mnemonic("STC", &input[counter..counter + 1]); size = 1 },
// 38
0x38 => { print_mnemonic("*NOP", &input[counter..counter + 1]); size = 1 },
0x39 => { print_mnemonic("DAD SP", &input[counter..counter + 1]); size = 1 },
0x3a => {
println!("LDA ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0x3b => { print_mnemonic("DCX SP", &input[counter..counter + 1]); size = 1 },
0x3c => { print_mnemonic("INR A", &input[counter..counter + 1]); size = 1 },
0x3d => { print_mnemonic("DCR A", &input[counter..counter + 1]); size = 1 },
0x3e => {
println!("MVI A,#0x{:02x}", input[counter + 1]);
size = 2;
},
0x3f => { print_mnemonic("CMC", &input[counter..counter + 1]); size = 1 },
// 40
0x40 => { print_mnemonic("MOV B,B", &input[counter..counter + 1]); size = 1 },
0x41 => { print_mnemonic("MOV B,C", &input[counter..counter + 1]); size = 1 },
0x42 => { print_mnemonic("MOV B,D", &input[counter..counter + 1]); size = 1 },
0x43 => { print_mnemonic("MOV B,E", &input[counter..counter + 1]); size = 1 },
0x44 => { print_mnemonic("MOV B,H", &input[counter..counter + 1]); size = 1 },
0x45 => { print_mnemonic("MOV B,L", &input[counter..counter + 1]); size = 1 },
0x46 => { print_mnemonic("MOV B,M", &input[counter..counter + 1]); size = 1 },
0x47 => { print_mnemonic("MOV B,A", &input[counter..counter + 1]); size = 1 },
// 48
0x48 => { print_mnemonic("MOV C,B", &input[counter..counter + 1]); size = 1 },
0x49 => { print_mnemonic("MOV C,C", &input[counter..counter + 1]); size = 1 },
0x4a => { print_mnemonic("MOV C,D", &input[counter..counter + 1]); size = 1 },
0x4b => { print_mnemonic("MOV C,E", &input[counter..counter + 1]); size = 1 },
0x4c => { print_mnemonic("MOV C,H", &input[counter..counter + 1]); size = 1 },
0x4d => { print_mnemonic("MOV C,L", &input[counter..counter + 1]); size = 1 },
0x4e => { print_mnemonic("MOV C,M", &input[counter..counter + 1]); size = 1 },
0x4f => { print_mnemonic("MOV C,A", &input[counter..counter + 1]); size = 1 },
// 50
0x50 => { print_mnemonic("MOV D,B", &input[counter..counter + 1]); size = 1 },
0x51 => { print_mnemonic("MOV D,C", &input[counter..counter + 1]); size = 1 },
0x52 => { print_mnemonic("MOV D,D", &input[counter..counter + 1]); size = 1 },
0x53 => { print_mnemonic("MOV D,E", &input[counter..counter + 1]); size = 1 },
0x54 => { print_mnemonic("MOV D,H", &input[counter..counter + 1]); size = 1 },
0x55 => { print_mnemonic("MOV D,L", &input[counter..counter + 1]); size = 1 },
0x56 => { print_mnemonic("MOV D,M", &input[counter..counter + 1]); size = 1 },
0x57 => { print_mnemonic("MOV D,A", &input[counter..counter + 1]); size = 1 },
// 58
0x58 => { print_mnemonic("MOV E,B", &input[counter..counter + 1]); size = 1 },
0x59 => { print_mnemonic("MOV E,C", &input[counter..counter + 1]); size = 1 },
0x5a => { print_mnemonic("MOV E,D", &input[counter..counter + 1]); size = 1 },
0x5b => { print_mnemonic("MOV E,E", &input[counter..counter + 1]); size = 1 },
0x5c => { print_mnemonic("MOV E,H", &input[counter..counter + 1]); size = 1 },
0x5d => { print_mnemonic("MOV E,L", &input[counter..counter + 1]); size = 1 },
0x5e => { print_mnemonic("MOV E,M", &input[counter..counter + 1]); size = 1 },
0x5f => { print_mnemonic("MOV E,A", &input[counter..counter + 1]); size = 1 },
// 60
0x60 => { print_mnemonic("MOV H,B", &input[counter..counter + 1]); size = 1 },
0x61 => { print_mnemonic("MOV H,C", &input[counter..counter + 1]); size = 1 },
0x62 => { print_mnemonic("MOV H,D", &input[counter..counter + 1]); size = 1 },
0x63 => { print_mnemonic("MOV H,E", &input[counter..counter + 1]); size = 1 },
0x64 => { print_mnemonic("MOV H,H", &input[counter..counter + 1]); size = 1 },
0x65 => { print_mnemonic("MOV H,L", &input[counter..counter + 1]); size = 1 },
0x66 => { print_mnemonic("MOV H,M", &input[counter..counter + 1]); size = 1 },
0x67 => { print_mnemonic("MOV H,A", &input[counter..counter + 1]); size = 1 },
// 68
0x68 => { print_mnemonic("MOV L,B", &input[counter..counter + 1]); size = 1 },
0x69 => { print_mnemonic("MOV L,C", &input[counter..counter + 1]); size = 1 },
0x6a => { print_mnemonic("MOV L,D", &input[counter..counter + 1]); size = 1 },
0x6b => { print_mnemonic("MOV L,E", &input[counter..counter + 1]); size = 1 },
0x6c => { print_mnemonic("MOV L,H", &input[counter..counter + 1]); size = 1 },
0x6d => { print_mnemonic("MOV L,L", &input[counter..counter + 1]); size = 1 },
0x6e => { print_mnemonic("MOV L,M", &input[counter..counter + 1]); size = 1 },
0x6f => { print_mnemonic("MOV L,A", &input[counter..counter + 1]); size = 1 },
// 70
0x70 => { print_mnemonic("MOV M,B", &input[counter..counter + 1]); size = 1 },
0x71 => { print_mnemonic("MOV M,C", &input[counter..counter + 1]); size = 1 },
0x72 => { print_mnemonic("MOV M,D", &input[counter..counter + 1]); size = 1 },
0x73 => { print_mnemonic("MOV M,E", &input[counter..counter + 1]); size = 1 },
0x74 => { print_mnemonic("MOV M,H", &input[counter..counter + 1]); size = 1 },
0x75 => { print_mnemonic("MOV M,L", &input[counter..counter + 1]); size = 1 },
0x76 => { print_mnemonic("HLT", &input[counter..counter + 1]); size = 1 },
0x77 => { print_mnemonic("MOV M,A", &input[counter..counter + 1]); size = 1 },
// 78
0x78 => { print_mnemonic("MOV A,B", &input[counter..counter + 1]); size = 1 },
0x79 => { print_mnemonic("MOV A,C", &input[counter..counter + 1]); size = 1 },
0x7a => { print_mnemonic("MOV A,D", &input[counter..counter + 1]); size = 1 },
0x7b => { print_mnemonic("MOV A,E", &input[counter..counter + 1]); size = 1 },
0x7c => { print_mnemonic("MOV A,H", &input[counter..counter + 1]); size = 1 },
0x7d => { print_mnemonic("MOV A,L", &input[counter..counter + 1]); size = 1 },
0x7e => { print_mnemonic("MOV A,M", &input[counter..counter + 1]); size = 1 },
0x7f => { print_mnemonic("MOV A,A", &input[counter..counter + 1]); size = 1 },
// 80
0x80 => { print_mnemonic("ADD B", &input[counter..counter + 1]); size = 1 },
0x81 => { print_mnemonic("ADD C", &input[counter..counter + 1]); size = 1 },
0x82 => { print_mnemonic("ADD D", &input[counter..counter + 1]); size = 1 },
0x83 => { print_mnemonic("ADD E", &input[counter..counter + 1]); size = 1 },
0x84 => { print_mnemonic("ADD H", &input[counter..counter + 1]); size = 1 },
0x85 => { print_mnemonic("ADD L", &input[counter..counter + 1]); size = 1 },
0x86 => { print_mnemonic("ADD M", &input[counter..counter + 1]); size = 1 },
0x87 => { print_mnemonic("ADD A", &input[counter..counter + 1]); size = 1 },
// 88
0x88 => { print_mnemonic("ADC B", &input[counter..counter + 1]); size = 1 },
0x89 => { print_mnemonic("ADC C", &input[counter..counter + 1]); size = 1 },
0x8a => { print_mnemonic("ADC D", &input[counter..counter + 1]); size = 1 },
0x8b => { print_mnemonic("ADC E", &input[counter..counter + 1]); size = 1 },
0x8c => { print_mnemonic("ADC H", &input[counter..counter + 1]); size = 1 },
0x8d => { print_mnemonic("ADC L", &input[counter..counter + 1]); size = 1 },
0x8e => { print_mnemonic("ADC M", &input[counter..counter + 1]); size = 1 },
0x8f => { print_mnemonic("ADC A", &input[counter..counter + 1]); size = 1 },
// 90
0x90 => { print_mnemonic("SUB B", &input[counter..counter + 1]); size = 1 },
0x91 => { print_mnemonic("SUB C", &input[counter..counter + 1]); size = 1 },
0x92 => { print_mnemonic("SUB D", &input[counter..counter + 1]); size = 1 },
0x93 => { print_mnemonic("SUB E", &input[counter..counter + 1]); size = 1 },
0x94 => { print_mnemonic("SUB H", &input[counter..counter + 1]); size = 1 },
0x95 => { print_mnemonic("SUB L", &input[counter..counter + 1]); size = 1 },
0x96 => { print_mnemonic("SUB M", &input[counter..counter + 1]); size = 1 },
0x97 => { print_mnemonic("SUB A", &input[counter..counter + 1]); size = 1 },
// 98
0x98 => { print_mnemonic("SBB B", &input[counter..counter + 1]); size = 1 },
0x99 => { print_mnemonic("SBB C", &input[counter..counter + 1]); size = 1 },
0x9a => { print_mnemonic("SBB D", &input[counter..counter + 1]); size = 1 },
0x9b => { print_mnemonic("SBB E", &input[counter..counter + 1]); size = 1 },
0x9c => { print_mnemonic("SBB H", &input[counter..counter + 1]); size = 1 },
0x9d => { print_mnemonic("SBB L", &input[counter..counter + 1]); size = 1 },
0x9e => { print_mnemonic("SBB M", &input[counter..counter + 1]); size = 1 },
0x9f => { print_mnemonic("SBB A", &input[counter..counter + 1]); size = 1 },
// a0
0xa0 => { print_mnemonic("ANA B", &input[counter..counter + 1]); size = 1 },
0xa1 => { print_mnemonic("ANA C", &input[counter..counter + 1]); size = 1 },
0xa2 => { print_mnemonic("ANA D", &input[counter..counter + 1]); size = 1 },
0xa3 => { print_mnemonic("ANA E", &input[counter..counter + 1]); size = 1 },
0xa4 => { print_mnemonic("ANA H", &input[counter..counter + 1]); size = 1 },
0xa5 => { print_mnemonic("ANA L", &input[counter..counter + 1]); size = 1 },
0xa6 => { print_mnemonic("ANA M", &input[counter..counter + 1]); size = 1 },
0xa7 => { print_mnemonic("ANA A", &input[counter..counter + 1]); size = 1 },
// a8
0xa8 => { print_mnemonic("XRA B", &input[counter..counter + 1]); size = 1 },
0xa9 => { print_mnemonic("XRA C", &input[counter..counter + 1]); size = 1 },
0xaa => { print_mnemonic("XRA D", &input[counter..counter + 1]); size = 1 },
0xab => { print_mnemonic("XRA E", &input[counter..counter + 1]); size = 1 },
0xac => { print_mnemonic("XRA H", &input[counter..counter + 1]); size = 1 },
0xad => { print_mnemonic("XRA L", &input[counter..counter + 1]); size = 1 },
0xae => { print_mnemonic("XRA M", &input[counter..counter + 1]); size = 1 },
0xaf => { print_mnemonic("XRA A", &input[counter..counter + 1]); size = 1 },
// b0
0xb0 => { print_mnemonic("ORA B", &input[counter..counter + 1]); size = 1 },
0xb1 => { print_mnemonic("ORA C", &input[counter..counter + 1]); size = 1 },
0xb2 => { print_mnemonic("ORA D", &input[counter..counter + 1]); size = 1 },
0xb3 => { print_mnemonic("ORA E", &input[counter..counter + 1]); size = 1 },
0xb4 => { print_mnemonic("ORA H", &input[counter..counter + 1]); size = 1 },
0xb5 => { print_mnemonic("ORA L", &input[counter..counter + 1]); size = 1 },
0xb6 => { print_mnemonic("ORA M", &input[counter..counter + 1]); size = 1 },
0xb7 => { print_mnemonic("ORA A", &input[counter..counter + 1]); size = 1 },
// b8
0xb8 => { print_mnemonic("CMP B", &input[counter..counter + 1]); size = 1 },
0xb9 => { print_mnemonic("CMP C", &input[counter..counter + 1]); size = 1 },
0xba => { print_mnemonic("CMP D", &input[counter..counter + 1]); size = 1 },
0xbb => { print_mnemonic("CMP E", &input[counter..counter + 1]); size = 1 },
0xbc => { print_mnemonic("CMP H", &input[counter..counter + 1]); size = 1 },
0xbd => { print_mnemonic("CMP L", &input[counter..counter + 1]); size = 1 },
0xbe => { print_mnemonic("CMP M", &input[counter..counter + 1]); size = 1 },
0xbf => { print_mnemonic("CMP A", &input[counter..counter + 1]); size = 1 },
// c0
0xc0 => { print_mnemonic("RNZ", &input[counter..counter + 1]); size = 1 },
0xc1 => { print_mnemonic("POP B", &input[counter..counter + 1]); size = 1 },
0xc2 => {
println!("JNZ ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xc3 => { print_mnemonic("JMP", &input[counter..counter + 3]); size = 3 },
0xc4 => {
println!("CNZ ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xc5 => { print_mnemonic("PUSH B", &input[counter..counter + 1]); size = 1 },
0xc6 => {
println!("ADI #0x{:02x}", input[counter + 1]);
size = 2;
},
0xc7 => { print_mnemonic("RST 0", &input[counter..counter + 1]); size = 1 },
// c8
0xc8 => { print_mnemonic("RZ", &input[counter..counter + 1]); size = 1 },
0xc9 => { print_mnemonic("RET", &input[counter..counter + 1]); size = 1 },
0xca => {
println!("JZ ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xcb => {
println!("*JMP ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xcc => {
println!("CZ ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xcd => {
println!("CALL ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xce => {
println!("ACI #0x{:02x}", input[counter + 1]);
size = 2;
},
0xcf => { print_mnemonic("RST 1", &input[counter..counter + 1]); size = 1 },
// d0
0xd0 => { print_mnemonic("RNC", &input[counter..counter + 1]); size = 1 },
0xd1 => { print_mnemonic("POP D", &input[counter..counter + 1]); size = 1 },
0xd2 => {
println!("JNC ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xd3 => {
println!("OUT #0x{:02x}", input[counter + 1]);
size = 2;
},
0xd4 => {
println!("CNC ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xd5 => { print_mnemonic("PUSH D", &input[counter..counter + 1]); size = 1 },
0xd6 => {
println!("SUI #0x{:02x}", input[counter + 1]);
size = 2;
},
0xd7 => { print_mnemonic("RST 2", &input[counter..counter + 1]); size = 1 },
// d8
0xd8 => { print_mnemonic("RC", &input[counter..counter + 1]); size = 1 },
0xd9 => { print_mnemonic("*RET", &input[counter..counter + 1]); size = 1 },
0xda => {
println!("JC ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xdb => {
println!("IN #0x{:02x}", input[counter + 1]);
size = 2;
},
0xdc => {
println!("CC ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xdd => {
println!("*CALL ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xde => {
println!("SBI #0x{:02x}", input[counter + 1]);
size = 2;
},
0xdf => { print_mnemonic("RST 3", &input[counter..counter + 1]); size = 1 },
// e0
0xe0 => { print_mnemonic("RPO", &input[counter..counter + 1]); size = 1 },
0xe1 => { print_mnemonic("POP H", &input[counter..counter + 1]); size = 1 },
0xe2 => {
println!("JPO ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xe3 => { print_mnemonic("XTHL", &input[counter..counter + 1]); size = 1 },
0xe4 => {
println!("CPO ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xe5 => { print_mnemonic("PUSH H", &input[counter..counter + 1]); size = 1 },
0xe6 => {
println!("ANI #0x{:02x}", input[counter + 1]);
size = 2;
},
0xe7 => { print_mnemonic("RST 4", &input[counter..counter + 1]); size = 1 },
// e8
0xe8 => { print_mnemonic("RPE", &input[counter..counter + 1]); size = 1 },
0xe9 => { print_mnemonic("PCHL", &input[counter..counter + 1]); size = 1 },
0xea => {
println!("JPE ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xeb => { print_mnemonic("XCHG", &input[counter..counter + 1]); size = 1 },
0xec => {
println!("CPE ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xed => {
println!("*CALL ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xee => {
println!("XRI #0x{:02x}", input[counter + 1]);
size = 2;
},
0xef => { print_mnemonic("RST 5", &input[counter..counter + 1]); size = 1 },
// f0
0xf0 => { print_mnemonic("RP", &input[counter..counter + 1]); size = 1 },
0xf1 => { print_mnemonic("POP PSW", &input[counter..counter + 1]); size = 1 },
0xf2 => {
println!("JP ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xf3 => { print_mnemonic("DI", &input[counter..counter + 1]); size = 1 },
0xf4 => {
println!("CP ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xf5 => { print_mnemonic("PUSH PSW", &input[counter..counter + 1]); size = 1 },
0xf6 => {
println!("ORI #0x{:02x}", input[counter + 1]);
size = 2;
},
0xf7 => { print_mnemonic("RST 6", &input[counter..counter + 1]); size = 1 },
// f8
0xf8 => { print_mnemonic("RM", &input[counter..counter + 1]); size = 1 },
0xf9 => { print_mnemonic("SPHL", &input[counter..counter + 1]); size = 1 },
0xfa => {
println!("JM ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xfb => { print_mnemonic("EI", &input[counter..counter + 1]); size = 1 },
0xfc => {
println!("CM ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xfd => {
println!("*CALL ${:02x}{:02x}", input[counter + 2], input[counter + 1]);
size = 3;
},
0xfe => {
println!("CPI #0x{:02x}", input[counter + 1]);
size = 2;
},
0xff => { print_mnemonic("RST 7", &input[counter..counter + 1]); size = 1 },
_ => { println!("- {:02x}", opcode); size = 1 },
}
size
}
fn main() {
let mut input: Vec<u8> = vec![];
let mut counter: usize = 0;
let mut oplength: usize;
io::stdin()
.read_to_end(&mut input)
.unwrap();
// for byte in input.iter() {
// println!("{}", byte);
// };
while counter < input.len() {
// get the instruction
print!("{:04x} ", counter);
oplength = opcode(&input, counter);
counter += oplength;
}
}
Reference in New Issue View Git Blame Copy Permalink