Mercurial > repos > blastem
comparison 68kinst.c @ 981:902c53d9c16f
Half assed, prefetch based open bus value emulation. Gets BlastEm up to 119/122 in VDP FIFO Testing
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Sun, 24 Apr 2016 02:19:48 -0700 |
| parents | b4cf6573a3f8 |
| children | 261995d06897 |
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| 980:928442068afe | 981:902c53d9c16f |
|---|---|
| 1544 //TODO: Implement me | 1544 //TODO: Implement me |
| 1545 break; | 1545 break; |
| 1546 } | 1546 } |
| 1547 if (decoded->op == M68K_INVALID) { | 1547 if (decoded->op == M68K_INVALID) { |
| 1548 decoded->src.params.immed = *start; | 1548 decoded->src.params.immed = *start; |
| 1549 decoded->bytes = 2; | |
| 1549 return start + 1; | 1550 return start + 1; |
| 1550 } | 1551 } |
| 1552 decoded->bytes = 2 * (istream + 1 - start); | |
| 1551 return istream+1; | 1553 return istream+1; |
| 1552 } | 1554 } |
| 1553 | 1555 |
| 1554 uint32_t m68k_branch_target(m68kinst * inst, uint32_t *dregs, uint32_t *aregs) | 1556 uint32_t m68k_branch_target(m68kinst * inst, uint32_t *dregs, uint32_t *aregs) |
| 1555 { | 1557 { |