.psx .create "./build/fillmem.bin", 0x80010000 ; Entry Point of Code .org 0x80010000 ; Constant declaration BASE_ADDR equ 0x0000 Main: li $t0, 0xA000 ; $t0 = 0xA000 li $t1, 0xA100 ; $t1 = 0xA100 li $t2, 0x11111111 ; $t2 = 0x11111111 Loop: sw $t2, BASE_ADDR($t0) ; Store byte at 0x0000 + t0 addi $t0, $t0, 4 ; ++ t0 blt $t0, $t1, Loop ; while (t0 < t1) keep looping .close