A few more fixes, mainly while I've been doing some wifi work, but some other dev finds.
#CSpect V2.12.22 changes
- Fixed a stupid typo on iCSpect interface to get sprites.
- NextReg 0x1c can now be read
- NextRegs 0x61 and 0x62 can now be read correctly
- Reading/Setting NextReg 255 (which isn't a real one) was crashing the emulator due to plugins
- Fixed the fallback colour, was only 8 bit instead of 9
- Fixed reading of the raster line for lower in the screen (upper 64 pixels usually)
- Fixed some threading issues in the serial coms (on USB hardware)
- Fixed and changed baud rates, and added in all normal ones (HDMI timing = 27000000/baud )  
- 2000000 = 13
- 1152000 = 23
- 921600  = 29
- 576000  = 46
- 460800  = 58
- 256000  = 105
- 230400  = 117
- 128000  = 210
- 115200  = 234
- 57600   = 468
- 38400   = 703
- 31250   = 864
- 19200   = 1406
- 9600    = 2812
- 2400    = 11250
- 1200    = 22500
SNASM V2.0.22
- Fixed “align” for use with segments
- Fixed “org” so it works with segments
- You can now use _ in binary (ie. %11_00_1111 )