SD card on VIA port B pins 0,4,6,7.

This matches the micro SD slot on adafruit's 240x320 TFT ILI9340 board,
as connected to the port B connector on pda6502 V1 hardware.

Author: pda

cli/options.go

@@ -31,7 +31,7 @@ func ParseFlags() *Options {
 	flag.BoolVar(&opt.Debug, "debug", false, "Run debugger")
 	flag.Var(&opt.DebugCmds, "debug-commands", "Debugger commands to run, semicolon separated.")
 	flag.StringVar(&opt.DebugSymbolFile, "debug-symbol-file", "", "ld65 debug file to load.")
-	flag.StringVar(&opt.SdCard, "sd-card", "", "Load file as SD card on 6522 port A[4..7]")
+	flag.StringVar(&opt.SdCard, "sd-card", "", "Load file as SD card")
 	flag.BoolVar(&opt.Speedometer, "speedometer", false, "Measure effective clock speed")
 	flag.BoolVar(&opt.ViaDumpBinary, "via-dump-binary", false, "6522 dumps binary output")
 	flag.BoolVar(&opt.ViaDumpAscii, "via-dump-ascii", false, "6522 dumps ASCII output")

go6502.go

@@ -77,10 +77,10 @@ func mainReturningStatus() int {
 
 	if len(options.SdCard) > 0 {
 		sd, err := sd.NewSdCard(spi.PinMap{
-			Sclk: 4,
-			Mosi: 5,
-			Miso: 6,
-			Ss:   7,
+			Sclk: 0,
+			Mosi: 6,
+			Miso: 7,
+			Ss:   4,
 		})
 		if err != nil {
 			panic(err)
@@ -89,7 +89,7 @@ func mainReturningStatus() int {
 		if err != nil {
 			panic(err)
 		}
-		via.AttachToPortA(sd)
+		via.AttachToPortB(sd)
 	}
 
 	via.Reset()