ethonion10/v86
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

Ne2k Driver Fixes to Support Running in Windows! (#378)

Browse source 
ne2k fixes to support network card in Windows (compared to qemu implementation)
- fix clearing of initial buffer (this appears to be the main fix!)
- additional fixes for write logic
This commit is contained in:
Ilya Kreymer 2020-12-06 19:08:00 -08:00 committed by GitHub
parent a1ffe6ef7f
commit e3a2ad90b1
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
src/ne2k.js
View file

@ -125,7 +125,10 @@ function Ne2k(cpu, bus)
this.memory[i << 1] = this.memory[i << 1 | 1] = mac[i];
}
this.memory[14] = this.memory[15] = 0x57;
// the PROM signature of 0x57, 0x57 is also doubled
// resulting in setting the 4 bytes at the end, 28, 29, 30 and 31 to 0x57
this.memory[14 << 1] = this.memory[14 << 1 | 1] = 0x57;
this.memory[15 << 1] = this.memory[15 << 1 | 1] = 0x57;
dbg_log("Mac: " + h(mac[0], 2) + ":" +
h(mac[1], 2) + ":" +
@ -152,7 +155,7 @@ function Ne2k(cpu, bus)
io.register_write(this.port | E8390_CMD, this, function(data_byte)
{
this.cr = data_byte & ~4;
this.cr = data_byte;
dbg_log("Write command: " + h(data_byte, 2) + " newpg=" + (this.cr >> 6) + " txcr=" + h(this.txcr, 2), LOG_NET);
if(this.cr & 1)
@ -160,7 +163,7 @@ function Ne2k(cpu, bus)
return;
}
if((data_byte | 0x18) && this.rcnt === 0)
if((data_byte & 0x18) && this.rcnt === 0)
{
this.do_interrupt(ENISR_RDC);
}
@ -171,6 +174,7 @@ function Ne2k(cpu, bus)
var data = this.memory.subarray(start, start + this.tcnt);
this.bus.send("net0-send", data);
this.bus.send("eth-transmit-end", [data.length]);
this.cr &= ~4;
this.do_interrupt(ENISR_TX);
dbg_log("Command: Transfer. length=" + h(data.byteLength), LOG_NET);