umdkv2

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slowCmd now accepts arguments in %d1 sdCardInit now sends CMD8 before initialising, and sends ACMD41 with arguments letting the SD card know we support SDHC cards sdReadBlocks checks the card...

amushrow

The SP register is [saved OK on entry](https://github.com/makestuff/umdkv2/blob/20151220/gdb-bridge/monitor/monitor.s#L117), such that it can be _read_ from within the monitor, it is not restored on exit, so it cannot be _updated_ from...

makestuff

``` remote.obj : error LNK2001: unresolved external symbol snprintf msvc.x64/rel/gdb-bridge.exe : fatal error LNK1120: 1 unresolved externals make: *** [msvc.x64/rel/gdb-bridge.exe] Error 96 ```

makestuff

Some MD hardware revisions show intermittent duplication of Z80 (and perhaps VDP DMA) reads, which invariably causes the 68000 to crash because the word driven on the bus is the...

makestuff

Errors from gdb-bridge when interrupting Sonic & Knuckles

1

``` console chris@wotan$ gdb-bridge -l 8000 UMDKv2 Bridge Tool Copyright (C) 2014 Chris McClelland Waiting for GDB connection on :8000... Got GDB connection from 127.0.0.1:7109 umdkDirectReadBytes(): Illegal direct-read from 0xFFFFFFF0-0xFFFFFFF1...

makestuff

Nonaligned memory reads/writes from GDB

1

There's no guarantee that GDB's memory I/O requests over remote serial protocol will be word-aligned. The UMDKv2 must support nonaligned accesses.

makestuff