Merge remote changes, resolve conflict in cpu_interface.v reset block

add changes

Document GET_CURSOR_POS instruction ($05) - Symon implementation

Add hardware text cursor with authentic CRT-style behavior

Remove redundant mode control bit 7, derive text/graphics from mode number

Fix palette instruction clock domain crossing and busy flag handling

Add hardware scrolling and scanline interrupts to Mode 5 design

Implement 12-bit color with 256-color writable palette

Add 12-bit RGB DAC resistor calculations for palette hardware

Update palette design from 9-bit to 12-bit RGB

Update Mode 5 design with corrected timing and sprite evaluation

Complete Mode 5 sprite/tile graphics design specification

Add Mode 5 sprite/tile graphics design specification

Update CLAUDE.md with ASCII code fix and hardware test status

Fix TextCommand ASCII codes and cpu_interface integration