admin/ci-libretro-fceumm
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

C89 fixes

Browse Source
This commit is contained in:
negativeExponent
2021-04-09 20:28:15 +08:00
committed by GitHub
parent 336cac1a44
commit 491975cf97
1 changed files with 11 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/boards/super40in1.c
View File

@@ -35,17 +35,18 @@ static SFORMAT StateRegs[] =
};
static void Sync(void) {
int prg = (preg & 7) | ((preg >> 3) & 0x08); // There is a high bit 3 of the PRG register that applies both to PRG and CHR
int prg = (preg & 7) | ((preg >> 3) & 0x08); /* There is a high bit 3 of the PRG register that applies both to PRG and CHR */
int chr = (creg & 7) | ((preg >> 3) & 0x08); /* There is a high bit 3 of the PRG register that applies both to PRG and CHR */
int mask = (creg & 0x10)? 0: (creg & 0x20)? 1: 3; /* There is an CNROM mode that takes either two or four inner CHR banks from a CNROM-like latch register at $8000-$FFFF. */
if (preg & 8) {
setprg16(0x8000, prg);
setprg16(0xc000, prg);
}
else
setprg32(0x8000, prg >> 1);
int chr = (creg & 7) | ((preg >> 3) & 0x08); // There is a high bit 3 of the PRG register that applies both to PRG and CHR
int mask = (creg & 0x10)? 0: (creg & 0x20)? 1: 3; // There is an CNROM mode that takes either two or four inner CHR banks from a CNROM-like latch register at $8000-$FFFF.
setchr8((chr &~mask) | (latch &mask)); // This "inner CHR bank" substitutes the respective bit(s) of the creg register.
setchr8((chr &~mask) | (latch &mask)); /* This "inner CHR bank" substitutes the respective bit(s) of the creg register. */
setmirror(((preg >> 4) & 1) ^ 1);
}
@@ -53,8 +54,7 @@ static void Sync(void) {
static DECLFR(BMCWSRead) {
if ((creg >> 6) & (dipSwitch &3))
return X.DB;
else
return CartBR(A);
return CartBR(A);
}
static DECLFW(BMCWSWrite) {
@@ -81,10 +81,11 @@ static void MBMCWSPower(void) {
}
static void BMCWSReset(void) {
dipSwitch++; // Soft-resetting cycles through solder pad or DIP switch settings
if (dipSwitch == 3) dipSwitch = 0; // Only 00b, 01b and 10b settings are valid
dipSwitch++; /* Soft-resetting cycles through solder pad or DIP switch settings */
if (dipSwitch == 3)
dipSwitch = 0; /* Only 00b, 01b and 10b settings are valid */
// Always reset to menu
/* Always reset to menu */
preg =0;
creg =0;
latch =0;