mats.s
726 Bytes
/************************************************************************
This RSP program implements the Modified Algorithmic Test Sequence
(MATS) memory test procedure for DMEM with wired-OR construction.
************************************************************************/
.base 0x04001000
nor $31, $0, $0
ori $30, $0, 1
ori $1, $0, 0x0FFC
Step1: sw $0, 0 ($1)
bgtz $1, Step1
addi $1, $1, 0xFFFC
ori $30, $0, 2
ori $1, $0, 0x0FFC
Step2: lw $2, 0 ($1)
bne $2, $0, Fail
sw $31, 0 ($1)
bgtz $1, Step2
addi $1, $1, 0xFFFC
ori $30, $0, 3
ori $1, $0, 0x0FFC
Step3: lw $3, 0 ($1)
bne $3, $31, Fail
nop
bgtz $1, Step3
addi $1, $1, 0xFFFC
ori $1, $0, 0xFEED
Fail: break