From 201639b58bf8b6c3ebbed8c33778c9c9c0a691ce Mon Sep 17 00:00:00 2001 From: Michael Pavone Date: Thu, 7 Feb 2019 09:43:25 -0800 Subject: Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one --- z80_util.c | 30 +++++++++++++++++++++++++++++- 1 file changed, 29 insertions(+), 1 deletion(-) (limited to 'z80_util.c') diff --git a/z80_util.c b/z80_util.c index 39526aa..e1f0855 100644 --- a/z80_util.c +++ b/z80_util.c @@ -1,3 +1,4 @@ +#include void z80_read_8(z80_context *context) { @@ -43,4 +44,31 @@ void z80_io_write8(z80_context *context) 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; +} + -- cgit v1.2.3