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new timing for main and cd

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This commit is contained in:
notaz 2013-08-26 00:32:31 +03:00
parent 75a30842c4
commit ae214f1c37
19 changed files with 507 additions and 474 deletions
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10
pico/eeprom.c
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@ -21,7 +21,7 @@ static void EEPROM_write_do(unsigned int d) // ???? ??la (l=SCL, a=SDA)
unsigned int scyc = Pico.m.eeprom_cycle, ssa = Pico.m.eeprom_slave;
elprintf(EL_EEPROM, "eeprom: scl/sda: %i/%i -> %i/%i, newtime=%i", (sreg&2)>>1, sreg&1,
(d&2)>>1, d&1, SekCyclesDoneT() - last_write);
(d&2)>>1, d&1, SekCyclesDone() - last_write);
saddr &= 0x1fff;
if(sreg & d & 2) {
@ -142,17 +142,17 @@ static void EEPROM_upd_pending(unsigned int d)
void EEPROM_write16(unsigned int d)
{
// this diff must be at most 16 for NBA Jam to work
if (SekCyclesDoneT() - last_write < 16) {
if (SekCyclesDone() - last_write < 16) {
// just update pending state
elprintf(EL_EEPROM, "eeprom: skip because cycles=%i",
SekCyclesDoneT() - last_write);
SekCyclesDone() - last_write);
EEPROM_upd_pending(d);
} else {
int srs = Pico.m.eeprom_status;
EEPROM_write_do(srs >> 6); // execute pending
EEPROM_upd_pending(d);
if ((srs ^ Pico.m.eeprom_status) & 0xc0) // update time only if SDA/SCL changed
last_write = SekCyclesDoneT();
last_write = SekCyclesDone();
}
}
@ -172,7 +172,7 @@ unsigned int EEPROM_read(void)
EEPROM_write_do(Pico.m.eeprom_status>>6);
sreg = Pico.m.eeprom_status; saddr = Pico.m.eeprom_addr&0x1fff; scyc = Pico.m.eeprom_cycle; ssa = Pico.m.eeprom_slave;
interval = SekCyclesDoneT() - last_write;
interval = SekCyclesDone() - last_write;
d = (sreg>>6)&1; // use SDA as "open bus"
// NBA Jam is nasty enough to read <before> raising the SCL and starting the new cycle.