Multidrive support for mmc.c (working)

[z180-stamp.git] / avr / main.c

diff --git a/avr/main.c b/avr/main.c
index 2f9a62f284094ac87e76d74db8dda13c0891f508..af082a3d9c8cb8a6d3d4ede5d3c602e4f00afa68 100644 (file)
--- a/avr/main.c
+++ b/avr/main.c
@@ -18,6 +18,7 @@
 #include "cli.h"
 #include "env.h"
 #include "z180-serv.h"
+#include "spi.h"
 
 static uint8_t mcusr;
 
@@ -108,8 +109,15 @@ void setup_avr(void)
        TCCR3B = (0b01<<WGM32)|(0b001<<CS30); /* CTC Mode, Prescaler 1 */
        TIMSK3 = _BV(OCIE3A);           /* Enable TC2.oca interrupt */
 
+       /* SPI as master */
+       PRR0 &= ~_BV(PRSPI);
+       SPI_DDR = (SPI_DDR & ~_BV(SPI_MISO))
+                       | _BV(SPI_MOSI) | _BV(SPI_SCK) | _BV(SPI_SS);
+       SPI_PORT = (SPI_PORT & ~(_BV(SPI_MOSI) | _BV(SPI_SCK)))
+                       | _BV(SPI_SS);
+
        /* INT5, INT6: falling edge */
-       EICRB = (EICRB & ~((0b11 << ISC50) | (0b11 << ISC60))) | 
+       EICRB = (EICRB & ~((0b11 << ISC50) | (0b11 << ISC60))) |
                (0b10 << ISC50) | (0b10 << ISC60);
        /* Reset pending ints */
        EIFR |= _BV(INTF5) | _BV(INTF6);
@@ -219,7 +227,6 @@ void main_loop(void)
 
 int main(void)
 {
-
        setup_avr();
        z80_setup_bus();