Add a lot of comments, fix SRLI instruction in print,

2023-01-18 22:15:06 +01:00
parent 559f94ca21
commit f7f66d31e0
3 changed files with 182 additions and 4 deletions
--- a/src/simulator/decode.rs
+++ b/src/simulator/decode.rs
@@ -13,7 +13,7 @@ pub struct Instruction {
    pub funct7 : u8, 
    pub funct7_smaller : u8, 
    pub funct3 : u8, 
-    pub shamt : u8,
+    pub shamt : u8, // shamt = imm[5:0] or imm[4:0] (depend of opcode)

    pub imm12_I : u16,
    pub imm12_S : u16,