Add SD card software interface

Adds a function to send a command to the sd card.
2022-04-10 17:55:51 -05:00
parent cd11670fb1
commit 7092cc8f77
4 changed files with 42 additions and 0 deletions
--- a/sw/io.inc65
+++ b/sw/io.inc65
@@ -11,4 +11,7 @@ SW          = LED
 MM_CTRL		= $7ff7
 MM_DATA		= $7fe0

+SD_ARG      = $7ff8
+SD_CMD      = $7ffc
+
 IRQ_STATUS  = $7fff