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snes: add BSX support

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* pcecd: read 256 sectors when length is 0 (Kabuki Itouryodan).

* pcecd: send status immediately for commands with instant execution (Bomberman: Panic Bomber), some cleanup

* snes: add BSX support
This commit is contained in:
Sergey Dvodnenko
2020-10-14 17:08:44 +03:00
committed by GitHub
parent 78e281f4df
commit 72c62a613f
3 changed files with 162 additions and 82 deletions
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71
user_io.cpp
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@@ -1881,18 +1881,68 @@ int user_io_file_tx(const char* name, unsigned char index, char opensave, char m
// prepare transmission of new file
user_io_set_download(1);
int dosend = 1;
int is_snes_bs = 0;
if (is_snes() && bytes2send)
{
printf("Load SNES ROM.\n");
uint8_t* buf = snes_get_header(&f);
hexdump(buf, 16, 0);
user_io_file_tx_data(buf, 512);
const char *ext = strrchr(f.name, '.');
if (ext && !strcasecmp(ext, ".BS")) {
is_snes_bs = 1;
}
//strip original SNES ROM header if present (not used)
if (bytes2send & 512)
{
bytes2send -= 512;
FileReadSec(&f, buf);
if (is_snes_bs) {
char *rom_path = (char*)buf;
strcpy(rom_path, name);
char *offs = strrchr(rom_path, '/');
if (offs) *offs = 0;
else *rom_path = 0;
fileTYPE fb = {};
if (FileOpen(&fb, user_io_make_filepath(rom_path, "bsx_bios.rom")) ||
FileOpen(&fb, user_io_make_filepath(HomeDir(), "bsx_bios.rom")))
{
printf("Load BSX bios ROM.\n");
uint8_t* buf = snes_get_header(&fb);
hexdump(buf, 16, 0);
user_io_file_tx_data(buf, 512);
//strip original SNES ROM header if present (not used)
if (bytes2send & 512)
{
bytes2send -= 512;
FileReadSec(&f, buf);
}
uint32_t sz = fb.size;
while (sz)
{
uint16_t chunk = (sz > sizeof(buf)) ? sizeof(buf) : sz;
FileReadAdv(&fb, buf, chunk);
user_io_file_tx_data(buf, chunk);
sz -= chunk;
}
FileClose(&fb);
}
else
{
dosend = 0;
Info("Cannot open bsx_bios.rom!");
sleep(1);
}
}
else {
printf("Load SNES ROM.\n");
uint8_t* buf = snes_get_header(&f);
hexdump(buf, 16, 0);
user_io_file_tx_data(buf, 512);
//strip original SNES ROM header if present (not used)
if (bytes2send & 512)
{
bytes2send -= 512;
FileReadSec(&f, buf);
}
}
}
@@ -1904,7 +1954,7 @@ int user_io_file_tx(const char* name, unsigned char index, char opensave, char m
int progress = -1;
if (use_progress) MenuHide();
int dosend = 1;
if (is_gba())
{
process_ss(name);
@@ -1938,6 +1988,7 @@ int user_io_file_tx(const char* name, unsigned char index, char opensave, char m
uint16_t chunk = (bytes2send > sizeof(buf)) ? sizeof(buf) : bytes2send;
FileReadAdv(&f, buf, chunk);
if (is_snes() && is_snes_bs) snes_patch_bs_header(&f, buf);
user_io_file_tx_data(buf, chunk);
if (use_progress)