Mercurial > repos > blastem
diff z80_util.c @ 1748:48a43dff4dc0
Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Thu, 07 Feb 2019 09:43:25 -0800 |
| parents | ca2336469397 |
| children | 01236179fc71 |
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--- a/z80_util.c Wed Feb 06 09:13:24 2019 -0800 +++ b/z80_util.c Thu Feb 07 09:43:25 2019 -0800 @@ -1,3 +1,4 @@ +#include <string.h> void z80_read_8(z80_context *context) { @@ -43,4 +44,31 @@ context->opts->gen.address_mask = tmp_mask; context->opts->gen.memmap = tmp_map; context->opts->gen.memmap_chunks = tmp_chunks; -} \ No newline at end of file +} + +//quick hack until I get a chance to change which init method these get passed to +static memmap_chunk const * tmp_io_chunks; +static uint32_t tmp_num_io_chunks, tmp_io_mask; +void init_z80_opts(z80_options * options, memmap_chunk const * chunks, uint32_t num_chunks, memmap_chunk const * io_chunks, uint32_t num_io_chunks, uint32_t clock_divider, uint32_t io_address_mask) +{ + memset(options, 0, sizeof(*options)); + options->gen.memmap = chunks; + options->gen.memmap_chunks = num_chunks; + options->gen.address_mask = 0xFFFF; + options->gen.max_address = 0xFFFF; + options->gen.clock_divider = clock_divider; + tmp_io_chunks = io_chunks; + tmp_num_io_chunks = num_io_chunks; + tmp_io_mask = io_address_mask; +} + +z80_context * init_z80_context(z80_options *options) +{ + z80_context *context = calloc(1, sizeof(z80_context)); + context->opts = options; + context->io_map = (memmap_chunk *)tmp_io_chunks; + context->io_chunks = tmp_num_io_chunks; + context->io_mask = tmp_io_mask; + return context; +} +