Mercurial > repos > blastem
changeset 834:65f9041b5f17
Implemented nbcd
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Wed, 21 Oct 2015 23:31:17 -0700 |
| parents | 841e44c5af83 |
| children | b4cf6573a3f8 |
| files | m68k_core.c m68k_core_x86.c |
| diffstat | 2 files changed, 23 insertions(+), 11 deletions(-) [+] |
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--- a/m68k_core.c Mon Oct 19 19:16:57 2015 -0700 +++ b/m68k_core.c Wed Oct 21 23:31:17 2015 -0700 @@ -720,6 +720,7 @@ BINARY_IMPL(M68K_SUBX, X|N|V|C), OP_IMPL(M68K_ABCD, translate_m68k_abcd_sbcd), OP_IMPL(M68K_SBCD, translate_m68k_abcd_sbcd), + OP_IMPL(M68K_NBCD, translate_m68k_abcd_sbcd), BINARY_IMPL(M68K_AND, N|Z|V0|C0), BINARY_IMPL(M68K_EOR, N|Z|V0|C0), BINARY_IMPL(M68K_OR, N|Z|V0|C0),
--- a/m68k_core_x86.c Mon Oct 19 19:16:57 2015 -0700 +++ b/m68k_core_x86.c Wed Oct 21 23:31:17 2015 -0700 @@ -1373,18 +1373,29 @@ void translate_m68k_abcd_sbcd(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) { code_info *code = &opts->gen.code; - if (src_op->base != opts->gen.scratch2) { - if (src_op->mode == MODE_REG_DIRECT) { - mov_rr(code, src_op->base, opts->gen.scratch2, SZ_B); - } else { - mov_rdispr(code, src_op->base, src_op->disp, opts->gen.scratch2, SZ_B); + if (inst->op == M68K_NBCD) { + if (dst_op->base != opts->gen.scratch2) { + if (dst_op->mode == MODE_REG_DIRECT) { + mov_rr(code, dst_op->base, opts->gen.scratch2, SZ_B); + } else { + mov_rdispr(code, dst_op->base, dst_op->disp, opts->gen.scratch2, SZ_B); + } } - } - if (dst_op->base != opts->gen.scratch1) { - if (dst_op->mode == MODE_REG_DIRECT) { - mov_rr(code, dst_op->base, opts->gen.scratch1, SZ_B); - } else { - mov_rdispr(code, dst_op->base, dst_op->disp, opts->gen.scratch1, SZ_B); + xor_rr(code, opts->gen.scratch1, opts->gen.scratch1, SZ_B); + } else { + if (src_op->base != opts->gen.scratch2) { + if (src_op->mode == MODE_REG_DIRECT) { + mov_rr(code, src_op->base, opts->gen.scratch2, SZ_B); + } else { + mov_rdispr(code, src_op->base, src_op->disp, opts->gen.scratch2, SZ_B); + } + } + if (dst_op->base != opts->gen.scratch1) { + if (dst_op->mode == MODE_REG_DIRECT) { + mov_rr(code, dst_op->base, opts->gen.scratch1, SZ_B); + } else { + mov_rdispr(code, dst_op->base, dst_op->disp, opts->gen.scratch1, SZ_B); + } } } uint8_t other_reg;