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wokwi / rp2040js

A Raspberry Pi Pico Emulator in JavaScript
MIT License
400 stars 44 forks source link

ADDS wrong overflow flag #49

Closed Turro75 closed 3 years ago

Turro75 commented 3 years ago

some test case: Register StartValue Emulator Silicone r0 0x5e56b680 0x5e56b680 0x5e56b680 r6 0x43960000 0xa1ecb680 0xa1ecb680 pc 0x100054a8 0x100054aa 0x100054aa xPSR* 0x01000000 0x81000000 0x91000000 Flags [----] [N---] [N--O]

0x100054a8 <l14_1+4>: 36 18 adds r6, r6, r0

Register StartValue Emulator Silicone r1 0xbf8d1424 0x7f1a2848 0x7f1a2848 pc 0x100050de 0x100050e0 0x100050e0 xPSR* 0xa1000000 0x21000000 0x31000000 Flags [N-C-] [--C-] [--CO]

0x100050de <__aeabi_dfcmple_guts+80>: 49 18 adds r1, r1, r1

Register StartValue Emulator Silicone r4 0xb8308000 0x70610000 0x70610000 pc 0x10005614 0x10005616 0x10005616 xPSR* 0x01000000 0x21000000 0x31000000 Flags [----] [--C-] [--CO]

0x10005614 <l20_1+8>: 24 19 adds r4, r4, r4

Register StartValue Emulator Silicone r2 0x74bc8000 0x74bc8000 0x74bc8000 r4 0x43740000 0xb8308000 0xb8308000 pc 0x10005610 0x10005612 0x10005612 xPSR* 0x01000000 0x81000000 0x91000000 Flags [----] [N---] [N--O]

0x10005610 <l20_1+4>: a4 18 adds r4, r4, r2

Register StartValue Emulator Silicone r0 0x5e56b680 0x5e56b680 0x5e56b680 r6 0x43960000 0xa1ecb680 0xa1ecb680 pc 0x100054a8 0x100054aa 0x100054aa xPSR* 0x01000000 0x81000000 0x91000000 Flags [----] [N---] [N--O]

0x100054a8 <l14_1+4>: 36 18 adds r6, r6, r0