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Set IOC flag only if the TD has been completed successfully (Thanks to Ben Lunt).

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This commit is contained in:
Volker Ruppert 2017-11-25 11:18:02 +00:00
parent 690919ae0e
commit 778c0c6fed
1 changed files with 1 additions and 1 deletions
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bochs/iodev/usb/uhci_core.cc
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@ -649,10 +649,10 @@ void bx_uhci_core_c::uhci_timer(void)
bx_bool depthbreadth = (td.dword0 & 0x0004) ? 1 : 0; // 1 = depth first, 0 = breadth first
stack[stk].q = (td.dword0 & 0x0002) ? 1 : 0;
stack[stk].t = (td.dword0 & 0x0001) ? 1 : 0;
if (td.dword1 & (1<<24)) interrupt = 1;
if (td.dword1 & (1<<23)) { // is it an active TD
BX_DEBUG(("Frame: %04i (0x%04X)", hub.usb_frame_num.frame_num, hub.usb_frame_num.frame_num));
if (DoTransfer(address, queue_num, &td)) {
if (td.dword1 & (1<<24)) interrupt = 1;
// issue short packet?
Bit16u r_actlen = (((td.dword1 & 0x7FF)+1) & 0x7FF);
Bit16u r_maxlen = (((td.dword2>>21)+1) & 0x7FF);