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Add ddrhook "COM4" passthrough mode

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Tau 2020-06-25 20:47:42 -04:00 committed by icex2
parent 4132463c6c
commit 1ae3048aa8
3 changed files with 40 additions and 12 deletions
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4
src/main/ddrhook/_com4.c
View File

@ -85,10 +85,6 @@ void com4_init(void)
{
uint8_t i;
/* This isn't a real COM port, we configure the core P3IO emulator code to
generate IRPs addressed to COM4 and then we intercept them. */
p3io_uart_set_path(0, L"COM4");
ac_io_emu_init(&com4_ac_io_emu, L"COM4");
ac_io_emu_hdxs_init(&com4_hdxs, &com4_ac_io_emu, lights_dispatcher);

42
src/main/ddrhook/dllmain.c
View File

@ -32,7 +32,7 @@ static bool my_dll_entry_main(void);
bool standard_def;
bool _15khz;
static const irp_handler_t ddrhook_handlers[] = {
static const irp_handler_t ddrhook_com4_handlers[] = {
p3io_emu_dispatch_irp,
extio_dispatch_irp,
spike_dispatch_irp,
@ -40,15 +40,27 @@ static const irp_handler_t ddrhook_handlers[] = {
com4_dispatch_irp,
};
static const irp_handler_t ddrhook_handlers[] = {
/* Same as above, but without COM4 emulation.
See ddrhook/p3io.c for details. */
p3io_emu_dispatch_irp,
extio_dispatch_irp,
spike_dispatch_irp,
usbmem_dispatch_irp,
};
static bool my_dll_entry_init(char *sidcode, struct property_node *param)
{
int argc;
char **argv;
bool com4;
bool ok;
int i;
log_info("--- Begin ddrhook dll_entry_init ---");
com4 = true;
args_recover(&argc, &argv);
for (i = 1; i < argc; i++) {
@ -65,13 +77,25 @@ static bool my_dll_entry_init(char *sidcode, struct property_node *param)
case 'w':
gfx_set_windowed();
break;
case 'u':
/* Don't emulate P3IO COM4 and its downstream devices, use the
Windows COM4 port instead. */
com4 = false;
break;
}
}
args_free(argc, argv);
iohook_init(ddrhook_handlers, lengthof(ddrhook_handlers));
if (com4) {
iohook_init(ddrhook_com4_handlers, lengthof(ddrhook_com4_handlers));
} else {
iohook_init(ddrhook_handlers, lengthof(ddrhook_handlers));
}
rs232_hook_init();
master_insert_hooks(NULL);
@ -92,15 +116,17 @@ static bool my_dll_entry_init(char *sidcode, struct property_node *param)
return false;
}
log_info("Initializing card reader backend");
if (com4) {
log_info("Initializing card reader backend");
eam_io_set_loggers(
log_body_misc, log_body_info, log_body_warning, log_body_fatal);
eam_io_set_loggers(
log_body_misc, log_body_info, log_body_warning, log_body_fatal);
ok = eam_io_init(avs_thread_create, avs_thread_join, avs_thread_destroy);
ok = eam_io_init(avs_thread_create, avs_thread_join, avs_thread_destroy);
if (!ok) {
return false;
if (!ok) {
return false;
}
}
log_info("--- End ddrhook dll_entry_init ---");

6
src/main/ddrhook/p3io.c
View File

@ -29,6 +29,12 @@ static const struct p3io_ops p3io_ddr_ops = {
void p3io_ddr_init(void)
{
/* COM4 isn't a real COM port, we configure the core P3IO emulator code to
generate IRPs addressed to COM4 and then we possibly intercept them in
_com4.c (or possibly don't, in which case the communications will be
sent to the real COM4 on your system) */
p3io_uart_set_path(0, L"COM4");
p3io_emu_init(&p3io_ddr_ops, NULL);
}