diff --git a/docs/README.md b/docs/README.md
index 5b83b72..7e09b0a 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,4 +1,4 @@
-# SC64 documentation table of contents
+## SC64 documentation table of contents
 
 - [Memory map](./memory_map.md)
 - [Config options](./config_options.md)
diff --git a/docs/n64_commands.md b/docs/n64_commands.md
index b8c64d1..8c902e5 100644
--- a/docs/n64_commands.md
+++ b/docs/n64_commands.md
@@ -1 +1,26 @@
+- [N64 commands](#n64-commands)
+
+---
+
 ## N64 commands
+
+| id  | name                  | arg0       | arg1         | rsp0             | rsp1           | description                                        |
+| --- | --------------------- | ---------- | ------------ | ---------------- | -------------- | -------------------------------------------------- |
+| `v` | **VERSION_GET**       | ---        | ---          | api_version      | ---            | Get command API version                            |
+| `c` | **CONFIG_GET**        | config_id  | ---          | ---              | current_value  | Get config option                                  |
+| `C` | **CONFIG_SET**        | config_id  | new_value    | ---              | previous_value | Set config option and get previous value           |
+| `t` | **TIME_GET**          | ---        | ---          | time_0           | time_1         | Get current RTC value                              |
+| `T` | **TIME_SET**          | time_0     | time_1       | ---              | ---            | Set RTC value                                      |
+| `m` | **USB_READ**          | pi_address | length       | ---              | ---            | Receive data from USB to flashcart                 |
+| `M` | **USB_WRITE**         | pi_address | length/type  | ---              | ---            | Send data from from flashcart to USB               |
+| `u` | **USB_READ_STATUS**   | ---        | ---          | read_status/type | length         | Get USB read status and type/length                |
+| `U` | **USB_WRITE_STATUS**  | ---        | ---          | write_status     | ---            | Get USB write status                               |
+| `i` | **SD_CARD_OP**        | pi_address | operation    | ---              | return_data    | Perform special operation on SD card               |
+| `I` | **SD_SECTOR_SET**     | sector     | ---          | ---              | ---            | Set starting sector for next SD card R/W operation |
+| `s` | **SD_READ**           | pi_address | sector_count | ---              | ---            | Read sectors from SD card to flashcart             |
+| `S` | **SD_WRITE**          | pi_address | sector_count | ---              | ---            | Write sectors from flashcart to SD card            |
+| `D` | **DD_SD_INFO**        | pi_address | table_size   | ---              | ---            | Set 64DD disk SD sector info                       |
+| `W` | **WRITEBACK_SD_INFO** | pi_address | enabled      | ---              | ---            | Set save writeback SD sector info                  |
+| `p` | **FLASH_WAIT_BUSY**   | ---        | ---          | erase_block_size | ---            | Wait until flash ready / get block erase size      |
+| `P` | **FLASH_ERASE_BLOCK** | pi_address | ---          | ---              | ---            | Start flash block erase                            |
+| `?` | **DEBUG_GET**         | ---        | ---          | debug_data_0     | debug_data_1   | Get internal FPGA debug info                       |
diff --git a/docs/usb_commands.md b/docs/usb_commands.md
index 933ab03..901fb53 100644
--- a/docs/usb_commands.md
+++ b/docs/usb_commands.md
@@ -1 +1,24 @@
+- [USB commands](#usb-commands)
+
+---
+
 ## USB commands
+
+| id  | name                   | arg0         | arg1         | data | response         | description                                         |
+| --- | ---------------------- | ------------ | ------------ | ---- | ---------------- | --------------------------------------------------- |
+| `v` | **VERSION_GET**        | ---          | ---          | ---  | api_version      | Get command API version                             |
+| `R` | **STATE_RESET**        | ---          | ---          | ---  | ---              | Reset entire flashcart state                        |
+| `B` | **CIC_PARAMS_SET**     | cic_params_0 | cic_params_1 | ---  | ---              | Set CIC mode/seed/version/checksum                  |
+| `c` | **CONFIG_GET**         | config_id    | ---          | ---  | current_value    | Get config option                                   |
+| `C` | **CONFIG_SET**         | config_id    | new_value    | ---  | ---              | Set config option                                   |
+| `t` | **TIME_GET**           | ---          | ---          | ---  | time             | Get current RTC value                               |
+| `T` | **TIME_SET**           | time_0       | time_1       | ---  | ---              | Set RTC value                                       |
+| `m` | **MEMORY_READ**        | address      | length       | data | ---              | Read data from specified memory address             |
+| `M` | **MEMORY_WRITE**       | address      | length       | ---  | data             | Write data to specified memory address              |
+| `D` | **DD_SET_BLOCK_READY** | success      | ---          | ---  | ---              | Notify flashcart about 64DD block readiness         |
+| `U` | **USB_WRITE**          | type         | length       | data | N/A              | Send data to be received by app running on N64      |
+| `f` | **FIRMWARE_BACKUP**    | address      | ---          | ---  | status/length    | Backup firmware to specified memory address         |
+| `F` | **FIRMWARE_UPDATE**    | address      | length       | ---  | status           | Update firmware from specified memory address       |
+| `p` | **FLASH_WAIT_BUSY**    | ---          | ---          | ---  | erase_block_size | Wait until flash ready / get flash block erase size |
+| `P` | **FLASH_ERASE_BLOCK**  | address      | ---          | ---  | ---              | Start flash block erase                             |
+| `?` | **DEBUG_GET**          | ---          | ---          | ---  | debug_data       | Get internal FPGA debug info                        |