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fill buffer with data from memory before writing it to disk

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folkert van heusden 2024-04-23 22:01:30 +02:00
parent 4039c8f274
commit 82c7541686
Signed by untrusted user who does not match committer: folkert
GPG key ID: 6B6455EDFEED3BD1
1 changed files with 9 additions and 0 deletions
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9
rl02.cpp
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@ -213,6 +213,15 @@ void rl02::writeWord(const uint16_t addr, uint16_t v)
while(count > 0) { while(count > 0) {
uint32_t cur = std::min(uint32_t(sizeof xfer_buffer), count); uint32_t cur = std::min(uint32_t(sizeof xfer_buffer), count);
for(uint32_t i=0; i<cur;) {
// BA and MPR are increased by 2
xfer_buffer[i++] = b->readUnibusByte(memory_address++);
xfer_buffer[i++] = b->readUnibusByte(memory_address++);
// update_bus_address(memory_address);
mpr[0]++;
}
if (!fhs.at(device)->write(temp_disk_offset, cur, xfer_buffer)) { if (!fhs.at(device)->write(temp_disk_offset, cur, xfer_buffer)) {
DOLOG(ll_error, true, "RL02: write error, device %d, disk offset %u, read size %u, cylinder %d, head %d, sector %d", device, temp_disk_offset, cur, track, head, sector); DOLOG(ll_error, true, "RL02: write error, device %d, disk offset %u, read size %u, cylinder %d, head %d, sector %d", device, temp_disk_offset, cur, track, head, sector);
break; break;