3 files changed, 11 insertions, 1 deletions

diff --git a/README.md b/README.md
index b79d486..96a7d4b 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ The board used in this project is a [Tang Nano 9K](https://wiki.sipeed.com/hardw
 
 ## Design
 
-### Microarchitecture (RISC-V multicycle rv32i without ECALL/EBREAK)
+### Microarchitecture (RISC-V multicycle rv32i without FENCE/ECALL/EBREAK)
 
 ![Microarchitecture](res/microarchitecure.jpg)
 
@@ -85,3 +85,13 @@ Here we can see the waveforms of various internal signal of the CPU, executing t
 ```
 
 ![Waveform adding two numbers](res/waveform_add_two_numbers.png)
+
+## RISC-V
+
+### RV32I ISA
+
+![RV32I ISA Table](res/riscv_isa_registers_table.jpg)
+
+### Registers
+
+![RV32 Register Table](res/riscv_isa_rv32i_table.jpg)
diff --git a/res/riscv_isa_registers_table.jpg b/res/riscv_isa_registers_table.jpg
new file mode 100644
index 0000000..99c00f4
--- /dev/null
+++ b/res/riscv_isa_registers_table.jpg
diff --git a/res/riscv_isa_rv32i_table.jpg b/res/riscv_isa_rv32i_table.jpg
new file mode 100644
index 0000000..f4bc6db
--- /dev/null
+++ b/res/riscv_isa_rv32i_table.jpg