diff options
| -rw-r--r-- | test/test.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/test.rs b/test/test.rs index 2b59011..5a84a6d 100644 --- a/test/test.rs +++ b/test/test.rs @@ -7,6 +7,19 @@ fn test_display(data: &[u8], expected: &'static str) { test_display_under(&InstDecoder::default(), data, expected); } +fn test_invalid(data: &[u8]) { + let decoder = InstDecoder::default(); + match decoder.decode(data.into_iter().map(|x| *x)) { + Ok(instr) => { + assert!(false, "incorrectly decoded {:?} from {:02x?} under decoder {}", instr, data, decoder); + }, + Err(_err) => { + // we expect an error here. one day, specify what kind of error was expected maybe... + } + } + +} + fn test_display_under(decoder: &InstDecoder, data: &[u8], expected: &'static str) { let mut hex = String::new(); for b in data { @@ -36,6 +49,7 @@ fn test_display_under(decoder: &InstDecoder, data: &[u8], expected: &'static str #[test] fn test() { + // from whitequark's screenshot in https://github.com/whitequark/binja-m16c test_display(&[0x7c, 0xf2, 0x03], "enter #03h"); test_display(&[0x73, 0x1b, 0xfd], "mov.w r1, -3[fb]"); test_display(&[0xb6, 0xff], "mov.b #00h, -1[fb]"); @@ -47,6 +61,27 @@ fn test() { test_display(&[0xd8, 0xf6], "mov.b #-01h, [a0]"); test_display(&[0xa6, 0xff], "inc.b -1[fb]"); test_display(&[0xfe, 0xf1], "jmp.b $-15"); + + // these are from the listsing in + // https://renesasrulz.com/other_products/m16c/f/m16c---forum/1375/how-to-recognize-memory-size-of-m16c-62p + test_display(&[0x5e, 0x01], "btst #06h, 1[sb]"); // offset might be wrong + test_display(&[0xc7, 0xff, 0xb4, 0x03], "mov.b #-01h, [#3b4h]"); + test_display(&[0xe7, 0x00, 0xb4, 0x03], "cmp.b #00h, [#3b4h]"); + test_display(&[0x7e, 0x2a, 0x0e, 0x02], "bmeq 6,1[sb]"); // offset might be wrong + test_display(&[0x68, 0x28], "jgeu $+40"); // "s_program_m0" in post, looks like .. 7? + test_display(&[0x75, 0xc2, 0x41, 0x00], "mov.w #41h, r2"); + test_display(&[0xf5, 0x71, 0x03], "jsr.w $+881"); // s_command_write + test_display(&[0x75, 0xc2, 0x40, 0x00], "mov.w #40h, r2"); + test_display(&[0xf5, 0x4a, 0x03], "jsr.w $+842"); // s_command_write + + // not totally sure, just ensuring consistency with my read of the docs + test_display(&[0x7e, 0x28, 0x0e, 0x02], "bmeq 14[a0]"); // 14[a0] means an index wildly different from 6,1[sb] - it is bit `a0` offset from byte 14, whereas `6,1[sb]` is bit 6 in byte `1+sb` + test_display(&[0x7d, 0x10], "jsri r2r0"); + test_display(&[0x09, 0x08], "mov.b 8[sb], r0l"); test_display(&[0x7d, 0xeb, 0x44, 0x66], "add.w #6644h, sp"); test_display(&[0x7c, 0xeb, 0x54], "add.b #54h, sp"); + test_invalid(&[0x7d, 0x02]); + test_invalid(&[0x7d, 0x03]); + test_invalid(&[0x7d, 0x05]); + test_display(&[0xe7, 0xf7, 0x12, 0x42], "cmp.b #-09h, [#4212h]"); } |