add some safety checks to graphics routines
commite8255212935af135b192f647ea1b8692f067000d
authorfgsfds <pvt.fgsfds@gmail.com>
Thu, 10 Oct 2019 02:33:16 +0000 (10 05:33 +0300)
committerfgsfds <pvt.fgsfds@gmail.com>
Thu, 10 Oct 2019 02:33:16 +0000 (10 05:33 +0300)
treecd318acb368588f3a30a47db410237511520fdbd
parentaebc9eb20f6557e3aba82cbe70d5a474047873ae
add some safety checks to graphics routines

fixes some crashes on MAP18
src/vga.c