~vdupras/collapseos

ref: 1681e619563bb92880a9bdd7a8bb5bc2f150f5e6 collapseos/emul/hw/sms/vdp.c -rw-r--r-- 2.2 KiB
emul/sms: don't hardcode name table offset

Use reg 2 as specified.
sms/vdp: highlight cursor with inverted palette
emul/hw/sms: WIP

VDP kinda works. Can see the Collapse OS prompt with SMS base recipe
if `STDIO_GETC` gets replaced with infinite loop (no input emul yet).