Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-20 15:32:45 +03:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

cp1: Eliminate fgets in quickload parsing

Browse Source
This commit is contained in:
AJR 2022-04-10 09:05:06 -04:00
parent 32c48d2e16
commit 1871bcfff0
1 changed files with 18 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
src/mame/drivers/cp1.cpp
View File

@ -236,15 +236,26 @@ void cp1_state::machine_reset()
QUICKLOAD_LOAD_MEMBER(cp1_state::quickload_cb)
{
char line[0x10];
int addr = 0;
while (image.fgets(line, 10) && addr < 0x100)
uint8_t byte = 0;
unsigned addr = 0;
char ch = '\0';
uint32_t actual = 0;
while ((actual = image.fread(&ch, 1)) != 0 && addr < 0x100)
{
int op = 0, arg = 0;
if (sscanf(line, "%d.%d", &op, &arg) == 2)
// Format: nn.nnn<CR><LF>
if (ch >= '0' && ch <= '9')
byte = (byte * 10) + (ch - '0');
else if (ch == '.' && (addr & 1) == 0)
{
m_i8155->memory_w(addr++, op);
m_i8155->memory_w(addr++, arg);
m_i8155->memory_w(addr++, byte);
byte = 0;
}
else if (ch == '\r' || ch == '\n')
{
if ((addr & 1) != 0)
m_i8155->memory_w(addr++, byte);
byte = 0;
}
else
{