From f6065d3ab401bd3c3fb3af0da20b01a973009a95 Mon Sep 17 00:00:00 2001
From: Vicki Pfau <vi@endrift.com>
Date: Mon, 20 Feb 2017 13:28:41 -0800
Subject: [PATCH] DS SPI: Stub out SPI

---
 include/mgba/internal/ds/io.h | 20 +++-----------------
 src/ds/io.c                   | 10 ++++++++++
 2 files changed, 13 insertions(+), 17 deletions(-)

diff --git a/include/mgba/internal/ds/io.h b/include/mgba/internal/ds/io.h
index ab5882c21..3bba5792a 100644
--- a/include/mgba/internal/ds/io.h
+++ b/include/mgba/internal/ds/io.h
@@ -104,23 +104,9 @@ enum DS7IORegisters {
 	DS7_REG_EXTKEYIN = 0x136,
 	DS7_REG_RTC = 0x138,
 
-	// Game card
-	DS7_REG_AUXSPICNT = 0x1A0,
-	DS7_REG_AUXSPIDATA = 0x1A2,
-	DS7_REG_SLOT1CNT_LO = 0x1A4,
-	DS7_REG_SLOT1CNT_HI = 0x1A6,
-	DS7_REG_SLOT1CMD_0 = 0x1A8,
-	DS7_REG_SLOT1CMD_1 = 0x1A9,
-	DS7_REG_SLOT1CMD_2 = 0x1AA,
-	DS7_REG_SLOT1CMD_3 = 0x1AB,
-	DS7_REG_SLOT1CMD_4 = 0x1AC,
-	DS7_REG_SLOT1CMD_5 = 0x1AD,
-	DS7_REG_SLOT1CMD_6 = 0x1AE,
-	DS7_REG_SLOT1CMD_7 = 0x1AF,
-	DS7_REG_SLOT1DATA_0 = 0x100010,
-	DS7_REG_SLOT1DATA_1 = 0x100011,
-	DS7_REG_SLOT1DATA_2 = 0x100012,
-	DS7_REG_SLOT1DATA_3 = 0x100013,
+	// SPI
+	DS7_REG_SPICNT = 0x1C0,
+	DS7_REG_SPIDATA = 0x1C2,
 
 	// Etc
 	DS7_REG_EXMEMSTAT = 0x204,
diff --git a/src/ds/io.c b/src/ds/io.c
index 6a29e62ca..414f9f5a7 100644
--- a/src/ds/io.c
+++ b/src/ds/io.c
@@ -8,6 +8,7 @@
 #include <mgba/core/interface.h>
 #include <mgba/internal/ds/ds.h>
 #include <mgba/internal/ds/ipc.h>
+#include <mgba/internal/ds/spi.h>
 
 mLOG_DEFINE_CATEGORY(DS_IO, "DS I/O");
 
@@ -168,6 +169,13 @@ void DS7IOInit(struct DS* ds) {
 
 void DS7IOWrite(struct DS* ds, uint32_t address, uint16_t value) {
 	switch (address) {
+	case DS7_REG_SPICNT:
+		value &= 0xCF83;
+		value = DSSPIWriteControl(ds, value);
+		break;
+	case DS7_REG_SPIDATA:
+		DSSPIWrite(ds, value);
+		return;
 	default:
 		{
 			uint32_t v2 = DSIOWrite(&ds->ds7, address, value);
@@ -280,6 +288,8 @@ uint16_t DS7IORead(struct DS* ds, uint32_t address) {
 	case DS_REG_TM1CNT_HI:
 	case DS_REG_TM2CNT_HI:
 	case DS_REG_TM3CNT_HI:
+	case DS7_REG_SPICNT:
+	case DS7_REG_SPIDATA:
 	case DS_REG_IPCSYNC:
 	case DS_REG_IPCFIFOCNT:
 	case DS_REG_IME: