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comparison z80_util.c @ 1735:ca2336469397

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Get new Z80 core running in CPM harness
author Michael Pavone <pavone@retrodev.com>
date Sun, 03 Feb 2019 11:05:40 -0800
parents 4fd84c3efc72
children 48a43dff4dc0
comparison
equal deleted inserted replaced
1734:88fbc4e711fd 1735:ca2336469397
11 write_byte(context->scratch2, context->scratch1, NULL, &context->opts->gen, context); 11 write_byte(context->scratch2, context->scratch1, NULL, &context->opts->gen, context);
12 } 12 }
13 13
14 void z80_io_read8(z80_context *context) 14 void z80_io_read8(z80_context *context)
15 { 15 {
16 uint32_t tmp_mask = context->opts->gen.address_mask;
17 memmap_chunk const *tmp_map = context->opts->gen.memmap;
18 uint32_t tmp_chunks = context->opts->gen.memmap_chunks;
19
20 context->opts->gen.address_mask = context->io_mask;
21 context->opts->gen.memmap = context->io_map;
22 context->opts->gen.memmap_chunks = context->io_chunks;
23
24 context->scratch1 = read_byte(context->scratch1, NULL, &context->opts->gen, context);
25
26 context->opts->gen.address_mask = tmp_mask;
27 context->opts->gen.memmap = tmp_map;
28 context->opts->gen.memmap_chunks = tmp_chunks;
16 } 29 }
17 30
18 void z80_io_write8(z80_context *context) 31 void z80_io_write8(z80_context *context)
19 { 32 {
33 uint32_t tmp_mask = context->opts->gen.address_mask;
34 memmap_chunk const *tmp_map = context->opts->gen.memmap;
35 uint32_t tmp_chunks = context->opts->gen.memmap_chunks;
36
37 context->opts->gen.address_mask = context->io_mask;
38 context->opts->gen.memmap = context->io_map;
39 context->opts->gen.memmap_chunks = context->io_chunks;
40
41 write_byte(context->scratch2, context->scratch1, NULL, &context->opts->gen, context);
42
43 context->opts->gen.address_mask = tmp_mask;
44 context->opts->gen.memmap = tmp_map;
45 context->opts->gen.memmap_chunks = tmp_chunks;
20 } 46 }