Add memory mapper software interface

Adds functions to read and write mappings, as well as enable and disable the memory mapper. This also moves increases the io space by 16 bytes.
2022-04-07 10:32:28 -05:00
parent 3c44be8e6d
commit a15dde0e89
4 changed files with 49 additions and 2 deletions
--- a/sw/io.inc65
+++ b/sw/io.inc65
@@ -8,4 +8,7 @@ UART_STATUS = UART + 1
 LED         = $7ff6
 SW          = LED

+MM_CTRL		= $7ff7
+MM_DATA		= $7fe0
+
 IRQ_STATUS  = $7fff