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https://github.com/pfusik/xasm.git
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61 lines
2.3 KiB
Plaintext
61 lines
2.3 KiB
Plaintext
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Display List op-codes
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=====================
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Blank lines
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-----------
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$00 - 1 blank line
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$10 - 2 blank lines
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$20 - 3 blank lines
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$30 - 4 blank lines
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$40 - 5 blank lines
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$50 - 6 blank lines
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$60 - 7 blank lines
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$70 - 8 blank lines
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Jumps
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-----
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$01 $ll $hh - JMP $hhll - Jump & generate 1 blank line
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$41 $ll $hh - JVB $hhll - Jump after vertical blank
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Modes
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-----
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Most popular combinations of ANTIC modes with GTIA modes:
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ANTIC mode | GTIA mode | OS mode | screen | font | bytes/line
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----------------------------------------------------------------------
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$2 | %00 | $0 | 40* 30* 2 | 128*8*8* 2 | 40
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$2 | %01 | - | 40* 30*16 | 128*2*8*16 | 40
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$2 | %10 | - | 40* 30* 9 | 128*2*8* 9 | 40
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$2 | %11 | - | 40* 30*16 | 128*2*8*16 | 40
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$3 | %00 | - | 40* 24* 2 | 128*8*8* 2 | 40
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$4 | %00 | $c | 40* 30* 5 | 128*4*8* 4 | 40
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$5 | %00 | $d | 40* 15* 5 | 128*4*8* 4 | 40
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$6 | %00 | $1 | 20* 30* 5 | 64*8*8* 2 | 20
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$7 | %00 | $3 | 20* 15* 5 | 64*8*8* 2 | 20
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$8 | %00 | $3 | 40* 30* 4 | - | 10
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$9 | %00 | $4 | 80* 60* 2 | - | 10
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$a | %00 | $5 | 80* 60* 4 | - | 20
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$b | %00 | $6 | 160*120* 2 | - | 20
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$c | %00 | $e | 160*240* 2 | - | 20
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$d | %00 | $7 | 160*120* 4 | - | 40
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$e | %00 | $f | 160*240* 4 | - | 40
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$f | %00 | $8 | 320*240* 2 | - | 40
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$f | %01 | $9 | 80*240*16 | - | 40
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$f | %10 | $a | 80*240* 9 | - | 40
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$f | %11 | $b | 80*240*16 | - | 40
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screen: columns*rows*colors
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font: chars*sizex*sizey*colors
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+$10 - Horizontal Scroll
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+$20 - Vertical Scroll
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+$40 $ll $hh - Load Screen Pointer $hhll
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For all op-codes
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----------------
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+$80 - Display List Interrupt after getting all data for this line
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When placing Display List in memory, remember it cannot cross 1 kB boundary.
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Similarly, screen memory cannot cross 4 kB boundary.
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===
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