Files
super6502/sw/io.inc65
Byron Lathi 7092cc8f77 Add SD card software interface
Adds a function to send a command to the sd card.
2022-04-10 17:55:51 -05:00

18 lines
238 B
Plaintext

SEVEN_SEG = $7ff0
UART = $7ff4
UART_TXB = UART
UART_RXB = UART
UART_STATUS = UART + 1
LED = $7ff6
SW = LED
MM_CTRL = $7ff7
MM_DATA = $7fe0
SD_ARG = $7ff8
SD_CMD = $7ffc
IRQ_STATUS = $7fff