Mercurial > repos > blastem

annotate z80_util.c @ 1753:33ec5df77fac

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Integration of new Z80 core is sort of working now
author Michael Pavone <pavone@retrodev.com>
date Tue, 12 Feb 2019 09:58:04 -0800
parents d6d4c006a7b3
children 28635b733d97
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1748
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
1 #include <string.h>
1706
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
2
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3 void z80_read_8(z80_context *context)
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
4 {
1715
4fd84c3efc72 Implement 16-bit addition in new Z80 core along with necessary CPU DSL fixes to make them work right
Michael Pavone <pavone@retrodev.com>
parents: 1706
diff changeset
5 context->cycles += 3 * context->opts->gen.clock_divider;
1753
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
6 uint8_t *fast = context->fastread[context->scratch1 >> 10];
1750
01236179fc71 Optimization to memory access in new Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 1748
diff changeset
7 if (fast) {
01236179fc71 Optimization to memory access in new Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 1748
diff changeset
8 context->scratch1 = fast[context->scratch1 & 0x3FF];
01236179fc71 Optimization to memory access in new Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 1748
diff changeset
9 } else {
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
10 context->scratch1 = read_byte(context->scratch1, (void **)context->mem_pointers, &context->opts->gen, context);
1750
01236179fc71 Optimization to memory access in new Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 1748
diff changeset
11 }
1706
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
12 }
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
13
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
14 void z80_write_8(z80_context *context)
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
15 {
1715
4fd84c3efc72 Implement 16-bit addition in new Z80 core along with necessary CPU DSL fixes to make them work right
Michael Pavone <pavone@retrodev.com>
parents: 1706
diff changeset
16 context->cycles += 3 * context->opts->gen.clock_divider;
1753
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
17 uint8_t *fast = context->fastwrite[context->scratch2 >> 10];
1750
01236179fc71 Optimization to memory access in new Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 1748
diff changeset
18 if (fast) {
01236179fc71 Optimization to memory access in new Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 1748
diff changeset
19 fast[context->scratch2 & 0x3FF] = context->scratch1;
01236179fc71 Optimization to memory access in new Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 1748
diff changeset
20 } else {
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
21 write_byte(context->scratch2, context->scratch1, (void **)context->mem_pointers, &context->opts->gen, context);
1750
01236179fc71 Optimization to memory access in new Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 1748
diff changeset
22 }
1706
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
23 }
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
24
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
25 void z80_io_read8(z80_context *context)
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
26 {
1735
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
27 uint32_t tmp_mask = context->opts->gen.address_mask;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
28 memmap_chunk const *tmp_map = context->opts->gen.memmap;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
29 uint32_t tmp_chunks = context->opts->gen.memmap_chunks;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
30
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
31 context->opts->gen.address_mask = context->io_mask;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
32 context->opts->gen.memmap = context->io_map;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
33 context->opts->gen.memmap_chunks = context->io_chunks;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
34
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
35 context->scratch1 = read_byte(context->scratch1, (void **)context->mem_pointers, &context->opts->gen, context);
1735
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
36
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
37 context->opts->gen.address_mask = tmp_mask;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
38 context->opts->gen.memmap = tmp_map;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
39 context->opts->gen.memmap_chunks = tmp_chunks;
1706
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
40 }
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
41
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
42 void z80_io_write8(z80_context *context)
c2324849a5e5 Initial checkin of new WIP Z80 core using CPU DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
43 {
1735
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
44 uint32_t tmp_mask = context->opts->gen.address_mask;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
45 memmap_chunk const *tmp_map = context->opts->gen.memmap;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
46 uint32_t tmp_chunks = context->opts->gen.memmap_chunks;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
47
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
48 context->opts->gen.address_mask = context->io_mask;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
49 context->opts->gen.memmap = context->io_map;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
50 context->opts->gen.memmap_chunks = context->io_chunks;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
51
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
52 write_byte(context->scratch2, context->scratch1, (void **)context->mem_pointers, &context->opts->gen, context);
1735
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
53
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
54 context->opts->gen.address_mask = tmp_mask;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
55 context->opts->gen.memmap = tmp_map;
ca2336469397 Get new Z80 core running in CPM harness
Michael Pavone <pavone@retrodev.com>
parents: 1715
diff changeset
56 context->opts->gen.memmap_chunks = tmp_chunks;
1748
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
57 }
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
58
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
59 //quick hack until I get a chance to change which init method these get passed to
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
60 static memmap_chunk const * tmp_io_chunks;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
61 static uint32_t tmp_num_io_chunks, tmp_io_mask;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
62 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)
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
63 {
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
64 memset(options, 0, sizeof(*options));
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
65 options->gen.memmap = chunks;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
66 options->gen.memmap_chunks = num_chunks;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
67 options->gen.address_mask = 0xFFFF;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
68 options->gen.max_address = 0xFFFF;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
69 options->gen.clock_divider = clock_divider;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
70 tmp_io_chunks = io_chunks;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
71 tmp_num_io_chunks = num_io_chunks;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
72 tmp_io_mask = io_address_mask;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
73 }
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
74
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
75 void z80_options_free(z80_options *opts)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
76 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
77 free(opts);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
78 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
79
1748
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
80 z80_context * init_z80_context(z80_options *options)
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
81 {
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
82 z80_context *context = calloc(1, sizeof(z80_context));
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
83 context->opts = options;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
84 context->io_map = (memmap_chunk *)tmp_io_chunks;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
85 context->io_chunks = tmp_num_io_chunks;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
86 context->io_mask = tmp_io_mask;
1753
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
87 context->int_cycle = context->int_end_cycle = context->nmi_cycle = 0xFFFFFFFFU;
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
88 z80_invalidate_code_range(context, 0, 0xFFFF);
1748
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
89 return context;
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
90 }
48a43dff4dc0 Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
Michael Pavone <pavone@retrodev.com>
parents: 1735
diff changeset
91
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
92 uint32_t z80_sync_cycle(z80_context *context, uint32_t target_cycle)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
93 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
94 if (context->iff1 && context->int_cycle < target_cycle) {
1753
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
95 if (context->cycles > context->int_end_cycle) {
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
96 context->int_cycle = 0xFFFFFFFFU;
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
97 } else {
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
98 target_cycle = context->int_cycle;
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
99 }
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
100 };
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
101 if (context->nmi_cycle < target_cycle) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
102 target_cycle = context->nmi_cycle;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
103 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
104 return target_cycle;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
105 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
106
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
107 void z80_run(z80_context *context, uint32_t target_cycle)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
108 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
109 if (context->reset || context->busack) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
110 context->cycles = target_cycle;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
111 } else if (target_cycle > context->cycles) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
112 if (context->busreq) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
113 //busreq is sampled at the end of an m-cycle
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
114 //we can approximate that by running for a single m-cycle after a bus request
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
115 target_cycle = context->cycles + 4 * context->opts->gen.clock_divider;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
116 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
117 z80_execute(context, target_cycle);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
118 if (context->busreq) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
119 context->busack = 1;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
120 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
121 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
122 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
123
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
124 void z80_assert_reset(z80_context * context, uint32_t cycle)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
125 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
126 z80_run(context, cycle);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
127 context->reset = 1;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
128 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
129
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
130 void z80_clear_reset(z80_context * context, uint32_t cycle)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
131 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
132 z80_run(context, cycle);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
133 if (context->reset) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
134 context->imode = 0;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
135 context->iff1 = context->iff2 = 0;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
136 context->pc = 0;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
137 context->reset = 0;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
138 if (context->busreq) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
139 //TODO: Figure out appropriate delay
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
140 context->busack = 1;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
141 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
142 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
143 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
144
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
145 #define MAX_MCYCLE_LENGTH 6
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
146 void z80_assert_busreq(z80_context * context, uint32_t cycle)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
147 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
148 z80_run(context, cycle);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
149 context->busreq = 1;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
150 //this is an imperfect aproximation since most M-cycles take less tstates than the max
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
151 //and a short 3-tstate m-cycle can take an unbounded number due to wait states
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
152 if (context->cycles - cycle > MAX_MCYCLE_LENGTH * context->opts->gen.clock_divider) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
153 context->busack = 1;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
154 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
155 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
156
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
157 void z80_clear_busreq(z80_context * context, uint32_t cycle)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
158 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
159 z80_run(context, cycle);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
160 context->busreq = 0;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
161 context->busack = 0;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
162 //there appears to be at least a 1 Z80 cycle delay between busreq
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
163 //being released and resumption of execution
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
164 context->cycles += context->opts->gen.clock_divider;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
165 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
166
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
167 void z80_assert_nmi(z80_context *context, uint32_t cycle)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
168 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
169 context->nmi_cycle = cycle;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
170 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
171
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
172 uint8_t z80_get_busack(z80_context * context, uint32_t cycle)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
173 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
174 z80_run(context, cycle);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
175 return context->busack;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
176 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
177
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
178 void z80_invalidate_code_range(z80_context *context, uint32_t startA, uint32_t endA)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
179 {
1753
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
180 for(startA &= ~0x3FF; startA < endA; startA += 1024)
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
181 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
182 uint8_t *start = get_native_pointer(startA, (void**)context->mem_pointers, &context->opts->gen);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
183 if (start) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
184 uint8_t *end = get_native_pointer(startA + 1023, (void**)context->mem_pointers, &context->opts->gen);
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
185 if (!end || end - start != 1023) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
186 start = NULL;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
187 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
188 }
1753
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
189 context->fastread[startA >> 10] = start;
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
190 start = get_native_write_pointer(startA, (void**)context->mem_pointers, &context->opts->gen);
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
191 if (start) {
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
192 uint8_t *end = get_native_write_pointer(startA + 1023, (void**)context->mem_pointers, &context->opts->gen);
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
193 if (!end || end - start != 1023) {
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
194 start = NULL;
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
195 }
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
196 }
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
197 context->fastwrite[startA >> 10] = start;
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
198 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
199 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
200
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
201 void z80_adjust_cycles(z80_context * context, uint32_t deduction)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
202 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
203 context->cycles -= deduction;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
204 if (context->int_cycle != 0xFFFFFFFFU) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
205 if (context->int_cycle > deduction) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
206 context->int_cycle -= deduction;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
207 } else {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
208 context->int_cycle = 0;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
209 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
210 }
1753
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
211 if (context->int_end_cycle != 0xFFFFFFFFU) {
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
212 if (context->int_end_cycle > deduction) {
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
213 context->int_end_cycle -= deduction;
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
214 } else {
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
215 context->int_end_cycle = 0;
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
216 }
33ec5df77fac Integration of new Z80 core is sort of working now
Michael Pavone <pavone@retrodev.com>
parents: 1752
diff changeset
217 }
1752
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
218 if (context->nmi_cycle != 0xFFFFFFFFU) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
219 if (context->nmi_cycle > deduction) {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
220 context->nmi_cycle -= deduction;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
221 } else {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
222 context->nmi_cycle = 0;
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
223 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
224 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
225 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
226
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
227 void z80_serialize(z80_context *context, serialize_buffer *buf)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
228 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
229 //TODO: Implement me
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
230 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
231
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
232 void z80_deserialize(deserialize_buffer *buf, void *vcontext)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
233 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
234 //TODO: Implement me
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
235 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
236
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
237 void zinsert_breakpoint(z80_context * context, uint16_t address, uint8_t * bp_handler)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
238 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
239 }
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
240
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
241 void zremove_breakpoint(z80_context * context, uint16_t address)
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
242 {
d6d4c006a7b3 Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents: 1750
diff changeset
243 }