RNs stored at beginning of IRAM

Exclusive Or:
1001100000110010
0100001100110011
1101101100000001
Sets uncommon bits; clears common ones

Breakpoint (on read) address 03000004 halfword:4333
R00=00004333 R04=00004332 R08=0203a56c R12=0203a608
R01=00009832 R05=00000064 R09=00000000 R13=03007cf4
R02=0000c833 R06=0203a4ec R10=00000000 R14=08000c6b
R03=03000000 R07=00000000 R11=00000000 R15=08000bb2
CPSR=0000003f (......T Mode: 1f)
08000bb0  4041 eor r1, r0
debugger> n
R00=00004333 R04=00004332 R08=0203a56c R12=0203a608
R01=0000db01 R05=00000064 R09=00000000 R13=03007cf4
R02=0000c833 R06=0203a4ec R10=00000000 R14=08000c6b
R03=03000000 R07=00000000 R11=00000000 R15=08000bb4
CPSR=0000003f (......T Mode: 1f)
08000bb2  8858 ldrh r0, [r3, #0x2]
debugger> mb 3000000
03000000 45 06 33 c8 33 43
debugger> n
R00=0000c833 R04=00004332 R08=0203a56c R12=0203a608
R01=0000db01 R05=00000064 R09=00000000 R13=03007cf4
R02=0000c833 R06=0203a4ec R10=00000000 R14=08000c6b
R03=03000000 R07=00000000 R11=00000000 R15=08000bb6
CPSR=0000003f (......T Mode: 1f)
08000bb4  8098 strh r0, [r3, #0x4]
debugger> n
R00=0000c833 R04=00004332 R08=0203a56c R12=0203a608
R01=0000db01 R05=00000064 R09=00000000 R13=03007cf4
R02=0000c833 R06=0203a4ec R10=00000000 R14=08000c6b
R03=03000000 R07=00000000 R11=00000000 R15=08000bb8
CPSR=0000003f (......T Mode: 1f)
08000bb6  8818 ldrh r0, [r3, #0x0]
debugger> n
R00=00000645 R04=00004332 R08=0203a56c R12=0203a608
R01=0000db01 R05=00000064 R09=00000000 R13=03007cf4
R02=0000c833 R06=0203a4ec R10=00000000 R14=08000c6b
R03=03000000 R07=00000000 R11=00000000 R15=08000bba
CPSR=0000003f (......T Mode: 1f)
08000bb8  8058 strh r0, [r3, #0x2]
debugger> n
R00=00000645 R04=00004332 R08=0203a56c R12=0203a608
R01=0000db01 R05=00000064 R09=00000000 R13=03007cf4
R02=0000c833 R06=0203a4ec R10=00000000 R14=08000c6b
R03=03000000 R07=00000000 R11=00000000 R15=08000bbc
CPSR=0000003f (......T Mode: 1f)
08000bba  8019 strh r1, [r3, #0x0]
debugger>