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