| 123456789101112131415161718192021222324252627282930313233343536373839404142 |
- # mach: all
- # output:
- # sim: --environment operating
- .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
|
