librsmsx 0.3.13

a MSX emulator written in rust, a port from gomsx
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62

pub mod dev;
pub mod libs;
pub mod prelude;

#[cfg(test)]
mod tests {

    use std::{cell::RefCell, rc::Rc};

    use super::prelude::*;

    fn check_cycles(ar: &[u8]) -> isize {
        let ppi = Rc::new(RefCell::new(PPI::new()));
        let mut memory = Memory::new(ppi.clone());
        for (i, item) in ar.iter().enumerate() {
            memory.write_byte(i as u16, *item);
        }
        let psg = PSG::new(SoundType::None, None);
        let vdp = Rc::new(RefCell::new(Vdp::new(GraphicsType::None, false)));
        let ports = Ports::new(vdp.clone(), ppi.clone(), psg);
        let mut cpu_z80 = Z80::new(memory, ports);
        cpu_z80.reboot();
        cpu_z80.reset_cycles();

        // while !cpu_z80.is_halted() {
        //     cpu_z80.do_opcode()
        // }
        cpu_z80.run_test();

        cpu_z80.get_cycles() as isize
    }

    #[test]
    fn test1() {
        // LD A, 0 (8 cycles)
        // HALT    (5 cycles)
        let ar = [0x3e, 0x00, 0x76];
        let nc = check_cycles(&ar);
        assert_eq!(nc, 13);
    }

    #[test]
    fn test2() {
        // LD A, 0  (8 cycles)
        // JP Z, 1  (11 cycles)
        // HALT     (5 cycles)
        let ar = [0x3e, 0x00, 0xca, 0x00, 0x00, 0x76];
        let nc = check_cycles(&ar);
        assert_eq!(nc, 24);
    }

    #[test]
    fn test3() {
        //     LD B, 5  (8 cycles)
        // xx: INC A    (5 cycles)
        //     DJNZ xx  (14/9 cycles)
        //     HALT     (5 cycles)
        let ar = [0x06, 0x05, 0x3c, 0x10, 0xfd, 0x76];
        let nc = check_cycles(&ar);
        assert_eq!(nc, 103);
    }
}