Memory Map ~~~~~~~~~~ ; notes -- VID_LOGO loads title at $9000 - $AFFF $00 Zero Page $01 Stack $02 Disk Lookup $03 Disk Lookup, IRQ vectors $04-$07 Text/GR page 1 (not used?) $08-$0B Text/GR page 2. $08=boot, $09-$0A = qboot stage2 $0B-$1F QLOAD disk routines and Mockingboard sound routines here $20-$3F HGR Page 1 $40-$5f HGR Page 2 $60-$?? Programs (roughly 22k available?) $B8-$BB Hi-res lookup tables $BC-$BF ??? $C0-$CF I/O $D0-$FF ROM Disk Map (disk has 35 tracks, each 4k in size) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ T 0 = Qboot T 1 = QLOAD 4301 bytes 17S = 1T1S T 3 = VID_LOGO 6911 bytes 27S = 1T11S T 5 = TITLE 9662 bytes 38S = 2T6S T 8 = INTRO 14265 bytes 56S = 3T8S T 12 = COPY_CHECK 4642 bytes 18S = 1T2S 238, to 280 (6) 50 to 135 (85) 6*85=510 280x192 *4 1120x768 Our capture: 300x142 roughly 292x142 to center it Odd is Orange Even is blue EO EO EO EO EO if draw black at odd, nothing blue 10 10 10 10 10 if draw black at even, two-wide(?) black 10 10 10 10 10 blue 01 01 01 01 01 orange EO EO 10 01 blue->orange has black gap 01 10 orange->blue has white gap 10 10 01 01 = blue 6|----c>>>-----------c------c-------| 5|-aaa----aaab>>>aaa---a-b-a---------|