int
machine_load_rom_bank_from_buffer( memory_page* bank_map, size_t which,
int page_num, unsigned char *buffer,
size_t length, int custom )
{
size_t i, offset;
bank_map[ which ].offset = 0;
bank_map[ which ].page_num = page_num;
bank_map[ which ].page = memory_pool_allocate( length );
if( !bank_map[ which ].page ) {
ui_error( UI_ERROR_ERROR, "Out of memory at %s:%d", __FILE__,
__LINE__ );
return 1;
}
memcpy( bank_map[ which ].page, buffer, length );
bank_map[ which ].source = custom ? MEMORY_SOURCE_CUSTOMROM :
MEMORY_SOURCE_SYSTEM;
for( i = 1, offset = MEMORY_PAGE_SIZE;
offset < length;
i++, offset += MEMORY_PAGE_SIZE ) {
bank_map[ which + i ].offset = offset;
bank_map[ which + i ].page_num = page_num;
bank_map[ which + i ].page = bank_map[ which ].page + offset;
bank_map[ which + i ].source = custom ? MEMORY_SOURCE_CUSTOMROM :
MEMORY_SOURCE_SYSTEM;
}
return 0;
}
bool game_buffer_editor_add_mpk_job(game_buffer *game_buffer, game_buffer_editor_job **ptr_to_new_job) {
game_buffer_editor_job *job = (game_buffer_editor_job *)memory_pool_allocate(&game_buffer->editor->job_memory_pool);
if (!job) {
return false;
}
*job = {};
static uint64 job_id_counter = 0;
job->id = job_id_counter;
job_id_counter += 1;
job->status = game_buffer_editor_job_progress;
job->type = game_buffer_editor_job_mpk_import_type;
sllist_push(&game_buffer->editor->job_list, job);
*ptr_to_new_job = job;
return true;
}
static void
scld_dock_exrom_from_snapshot( memory_page *dest, int page_num, int writable,
void *source )
{
int i;
libspectrum_byte *data = memory_pool_allocate( 0x2000 );
memcpy( data, source, 0x2000 );
for( i = 0; i < MEMORY_PAGES_IN_8K; i++ ) {
memory_page *page = &dest[ page_num * MEMORY_PAGES_IN_8K + i ];
page->offset = i * MEMORY_PAGE_SIZE;
page->page_num = page_num;
page->writable = writable;
page->page = data + page->offset;
page->save_to_snapshot = 1;
}
/* Reset contention for pages */
scld_set_exrom_dock_contention();
}
int
machine_load_rom_bank_from_buffer( memory_page* bank_map, int page_num,
unsigned char *buffer, size_t length, int custom )
{
size_t offset;
libspectrum_byte *data = memory_pool_allocate( length );
memory_page *page;
memcpy( data, buffer, length );
for( page = &bank_map[ page_num * MEMORY_PAGES_IN_16K ], offset = 0;
offset < length;
page++, offset += MEMORY_PAGE_SIZE ) {
page->offset = offset;
page->page_num = page_num;
page->page = data + offset;
page->writable = 0;
page->save_to_snapshot = custom;
}
return 0;
}
bool game_buffer_editor_handle_mpk_import_message(game_buffer *game_buffer, mpk_import_named_pipe_message *message) {
game_buffer_editor_job *job = game_buffer->editor->job_list;
while (job->id != message->job_id) {
job = job->next;
}
assert(job->type == game_buffer_editor_job_mpk_import_type);
switch (message->type) {
case mpk_import_named_pipe_message_type_error : {
job->status = game_buffer_editor_job_error;
} break;
case mpk_import_named_pipe_message_type_no_space : {
job->status = game_buffer_editor_job_warning;
} break;
case mpk_import_named_pipe_message_type_progress : {
job->status = game_buffer_editor_job_progress;
} break;
case mpk_import_named_pipe_message_type_done : {
job->status = game_buffer_editor_job_done;
} break;
}
if (message->msg[0] != '\0') {
game_buffer_editor_job_message *new_job_message = (game_buffer_editor_job_message *)memory_pool_allocate(&game_buffer->editor->job_message_memory_pool);
assert(new_job_message);
m_array_assign(new_job_message->buf, message->msg);
sllist_append(&job->mpk_import.message_list, new_job_message);
}
return true;
}
void mpk_import_add_named_pipe_instance(common_vars *common_vars) {
HANDLE named_pipe_handle = CreateNamedPipeA("\\\\.\\pipe\\" m_mpk_import_named_pipe_name, PIPE_ACCESS_INBOUND | FILE_FLAG_OVERLAPPED, PIPE_TYPE_BYTE, PIPE_UNLIMITED_INSTANCES, 4096, 4096, 0, nullptr);
if (!named_pipe_handle) {
m_last_error_str(err);
m_die("cannot create mpk import named pipe instance, call to \"CreateNamedPipeA\" failed\nerr: %s", err);
}
HANDLE io_completion_port = CreateIoCompletionPort(named_pipe_handle, common_vars->io_completion_port, mpk_import_named_pipe_event, 0);
if (!io_completion_port) {
m_last_error_str(err_str);
m_die("cannot connect mpk import named pipe to io completion port, call to \"CreateIoCompletionPort\" failed\nerr: %s", err_str);
}
mpk_import_named_pipe_instance *new_named_pipe_instance = (mpk_import_named_pipe_instance *)memory_pool_allocate(&common_vars->mpk_import_named_pipe_instance_memory_pool);
*new_named_pipe_instance = {};
new_named_pipe_instance->handle = named_pipe_handle;
sllist_push(&common_vars->mpk_import_named_pipe_instance_list, new_named_pipe_instance);
ConnectNamedPipe(named_pipe_handle, &new_named_pipe_instance->overlapped);
}
int
dck_reset( void )
{
utils_file file;
size_t num_block = 0;
libspectrum_dck *dck;
int error;
dck_active = 0;
if( !settings_current.dck_file ) {
ui_menu_activate( UI_MENU_ITEM_MEDIA_CARTRIDGE_DOCK_EJECT, 0 );
return 0;
}
dck = libspectrum_dck_alloc();
error = utils_read_file( settings_current.dck_file, &file );
if( error ) { libspectrum_dck_free( dck, 0 ); return error; }
error = libspectrum_dck_read2( dck, file.buffer, file.length,
settings_current.dck_file );
if( error ) {
utils_close_file( &file ); libspectrum_dck_free( dck, 0 ); return error;
}
utils_close_file( &file );
while( dck->dck[num_block] != NULL ) {
memory_page *page;
int i;
libspectrum_dck_bank dck_bank = dck->dck[num_block]->bank;
if( dck_bank != LIBSPECTRUM_DCK_BANK_HOME &&
dck_bank != LIBSPECTRUM_DCK_BANK_DOCK &&
dck_bank != LIBSPECTRUM_DCK_BANK_EXROM ) {
ui_error( UI_ERROR_INFO, "Sorry, bank ID %i is unsupported",
dck->dck[num_block]->bank );
libspectrum_dck_free( dck, 0 );
return 1;
}
for( i = 0; i < 8; i++ ) {
libspectrum_byte *data;
int j;
switch( dck->dck[num_block]->access[i] ) {
case LIBSPECTRUM_DCK_PAGE_NULL:
break;
case LIBSPECTRUM_DCK_PAGE_ROM:
data = memory_pool_allocate( 0x2000 );
memcpy( data, dck->dck[num_block]->pages[i], 0x2000 );
for( j = 0; j < MEMORY_PAGES_IN_8K; j++ ) {
page = dck_get_memory_page( dck_bank, i * MEMORY_PAGES_IN_8K + j);
page->offset = j * MEMORY_PAGE_SIZE;
page->writable = 0;
page->save_to_snapshot = 1;
page->page = data + page->offset;
}
break;
case LIBSPECTRUM_DCK_PAGE_RAM_EMPTY:
case LIBSPECTRUM_DCK_PAGE_RAM:
/* Because the scr and snapshot code depends on the standard
memory map being in the RAM[] array, we just copy RAM
blocks from the HOME bank into the appropriate page; in
other cases, we allocate ourselves a new page to store the
contents in */
if( dck_bank == LIBSPECTRUM_DCK_BANK_HOME && i>1 ) {
for( j = 0; j < MEMORY_PAGES_IN_8K; j++ ) {
page = dck_get_memory_page( dck_bank, i * MEMORY_PAGES_IN_8K + j);
if( dck->dck[num_block]->access[i] == LIBSPECTRUM_DCK_PAGE_RAM ) {
memcpy( page->page,
dck->dck[num_block]->pages[i] + j * MEMORY_PAGE_SIZE,
MEMORY_PAGE_SIZE );
} else {
memset( page->page, 0, MEMORY_PAGE_SIZE );
}
}
} else {
data = memory_pool_allocate( 0x2000 );
if( dck->dck[num_block]->access[i] == LIBSPECTRUM_DCK_PAGE_RAM ) {
memcpy( data, dck->dck[num_block]->pages[i], 0x2000 );
} else {
memset( data, 0, 0x2000 );
}
for( j = 0; j < MEMORY_PAGES_IN_8K; j++ ) {
page = dck_get_memory_page( dck_bank, i * MEMORY_PAGES_IN_8K + j);
page->offset = j * MEMORY_PAGE_SIZE;
page->writable = 1;
page->save_to_snapshot = 1;
page->page = data + page->offset;
}
}
break;
}
}
num_block++;
}
dck_active = 1;
/* Reset contention for pages */
scld_set_exrom_dock_contention();
/* Make the menu item to eject the cartridge active */
ui_menu_activate( UI_MENU_ITEM_MEDIA_CARTRIDGE_DOCK_EJECT, 1 );
return libspectrum_dck_free( dck, 0 );
}
int
dck_reset( void )
{
utils_file file;
size_t num_block = 0;
libspectrum_dck *dck;
int error;
dck_active = 0;
if( !settings_current.dck_file ) {
ui_menu_activate( UI_MENU_ITEM_MEDIA_CARTRIDGE_DOCK_EJECT, 0 );
return 0;
}
dck = libspectrum_dck_alloc();
error = utils_read_file( settings_current.dck_file, &file );
if( error ) { libspectrum_dck_free( dck, 0 ); return error; }
error = libspectrum_dck_read2( dck, file.buffer, file.length,
settings_current.dck_file );
if( error ) {
utils_close_file( &file ); libspectrum_dck_free( dck, 0 ); return error;
}
if( utils_close_file( &file ) ) {
libspectrum_dck_free( dck, 0 );
return 1;
}
while( dck->dck[num_block] != NULL ) {
memory_page **mem;
int i;
switch( dck->dck[num_block]->bank ) {
case LIBSPECTRUM_DCK_BANK_HOME:
mem = memory_map_home;
break;
case LIBSPECTRUM_DCK_BANK_DOCK:
mem = memory_map_dock;
break;
case LIBSPECTRUM_DCK_BANK_EXROM:
mem = memory_map_exrom;
break;
default:
ui_error( UI_ERROR_INFO, "Sorry, bank ID %i is unsupported",
dck->dck[num_block]->bank );
libspectrum_dck_free( dck, 0 );
return 1;
}
for( i = 0; i < 8; i++ ) {
switch( dck->dck[num_block]->access[i] ) {
case LIBSPECTRUM_DCK_PAGE_NULL:
break;
case LIBSPECTRUM_DCK_PAGE_ROM:
mem[i]->page = memory_pool_allocate( MEMORY_PAGE_SIZE );
if( !mem[i]->page ) return 1;
memcpy( mem[i]->page, dck->dck[num_block]->pages[i],
MEMORY_PAGE_SIZE );
mem[i]->writable = 0;
mem[i]->source = MEMORY_SOURCE_CARTRIDGE;
break;
case LIBSPECTRUM_DCK_PAGE_RAM_EMPTY:
case LIBSPECTRUM_DCK_PAGE_RAM:
/* Because the scr and snapshot code depends on the standard
memory map being in the RAM[] array, we just copy RAM
blocks from the HOME bank into the appropriate page; in
other cases, we allocate ourselves a new page to store the
contents in */
if( !(dck->dck[num_block]->bank == LIBSPECTRUM_DCK_BANK_HOME && i>1) ) {
mem[i]->page = memory_pool_allocate( MEMORY_PAGE_SIZE );
if( !mem[i]->page ) return 1;
mem[i]->writable = 1;
}
mem[i]->source = MEMORY_SOURCE_CARTRIDGE;
memcpy( mem[i]->page, dck->dck[num_block]->pages[i],
MEMORY_PAGE_SIZE );
break;
}
}
num_block++;
}
dck_active = 1;
/* Make the menu item to eject the cartridge active */
ui_menu_activate( UI_MENU_ITEM_MEDIA_CARTRIDGE_DOCK_EJECT, 1 );
return libspectrum_dck_free( dck, 0 );
}