.include "t-macros.i" start PSW_BITS = PSW_FX|PSW_ST|PSW_SM loadpsw2 PSW_BITS ;; Test normal sadd loadacc2 a0 0x00 0x7fff 0xffff loadacc2 a1 0xff 0x8000 0x0000 sadd a1, a0 checkacc2 1 a0 0x00 0x7fff 0xffff checkacc2 2 a1 0xff 0x8000 0x7fff ;; Test overflow loadacc2 a0 0x00 0x0000 0x0000 loadacc2 a1 0x01 0x8000 0x0000 sadd a1, a0 checkacc2 3 a0 0x00 0x0000 0x0000 checkacc2 4 a1 0x00 0x7fff 0xffff loadacc2 a0 0x00 0xffff 0xffff loadacc2 a1 0x00 0xffff 0xffff sadd a1, a0 checkacc2 5 a1 0x00 0x7fff 0xffff checkacc2 6 a0 0x00 0xffff 0xffff ;; Test underflow loadacc2 a0 0x00 0x0000 0x0000 loadacc2 a1 0x80 0x8000 0x0000 sadd a1, a0 checkacc2 7 a0 0x00 0x0000 0x0000 checkacc2 8 a1 0xff 0x8000 0x0000 exit0 |