Difference between revisions of "SYS GetGraphType"

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  000245bc: 3c028003 lui r2,0x8003
 
  000245bc: 3c028003 lui r2,0x8003
  000245c0: 90422894 lbu r2,0x2894(r2)        # Load size/configuration of VRAM (1 or 2 means 2 MB vram (tpage y addresses are mod 2.) 3 means otherwise.)
+
  000245c0: 90422894 lbu r2,0x2894(r2)        # Load display env. flags 3 & 4 (interlaced (1, 2), 24 bit mode (3))?
 
  000245c4: 03e00008 jr r31
 
  000245c4: 03e00008 jr r31
 
  000245c8: 00000000 nop
 
  000245c8: 00000000 nop

Revision as of 09:38, 26 June 2023

#   ROUTINE: ? Accessor (0x245bc)
#       Returns:
#           r2 = Byte in memory at 0x80032894

000245bc: 3c028003 lui r2,0x8003
000245c0: 90422894 lbu r2,0x2894(r2)         # Load display env. flags 3 & 4 (interlaced (1, 2), 24 bit mode (3))?
000245c4: 03e00008 jr r31
000245c8: 00000000 nop