Refactored platform code to use interfaces for patch code with a special feature and improved patch code file names

arm9/source/patches/platform/acekard-common/IoRpgSendSdioCommandPatchCode.s

@@ -0,0 +1,45 @@
+.cpu arm7tdmi
+.syntax unified
+.section "iorpg_sendsdiocommand", "ax"
+.thumb
+
+// r0 = first 4 bytes of card command, bswap32'd
+// r1 = param
+.global iorpg_sendSdioCommand
+.type iorpg_sendSdioCommand, %function
+iorpg_sendSdioCommand:
+    push {r4-r7,lr}
+
+    ldr r4, =0x040001A0
+
+    // start copy to MCCMD1
+    str r0, [r4,#0x8]
+    // SDIO param
+    // need to bswap32...
+    lsrs r6, r1, #24
+    strb r6, [r4,#0xC]
+    lsrs r6, r1, #16
+    strb r6, [r4,#0xD]
+    lsrs r6, r1, #8
+    strb r6, [r4,#0xE]
+    strb r1, [r4,#0xF]
+
+    // flag when read size 0
+    // SDIO cmds should add some latency as well
+    ldr r6, =0xA0406050
+    str r6, [r4, #0x4]
+
+// loop until card is ready
+iorpg_sendSdioCommand_read_loop:
+    // Check MCCNT1_ENABLE
+    ldrb r5, [r4,#7]
+    lsrs r5, r5, #8
+    bcs iorpg_sendSdioCommand_read_loop
+
+    pop {r4-r7,pc}
+
+.balign 4
+
+.pool
+
+.end