HSCROL | XX | XX | XX | XX | XX | XX | XX | XX | Horizontal scrolling | ||||||||
VSCROL | XX | XX | XX | XX | XX | XX | XX | XX | Vertical scrolling | ||||||||
LD MEM SCAN | XX | XX | XX | XX | XX | XX | XX | XX | Load memory scan (3-byte) | ||||||||
INST INTERRUPT | XX | XX | XX | XX | XX | XX | XX | XX | Display instruction interrupt | ||||||||
BLK1 BLK 2 BLK3...7 BLK8 |
00 10 .. 70 |
80 90 ... F0 |
Blank 1 line Blank 2 lines Blank 3 through 7 lines Blank 8 lines |
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JMP | 01 | 81 | Jump (3-byte) | ||||||||||||||
JVB | 41 | C1 | Jump and wait for vertical blank (3-byte) | ||||||||||||||
CHR(40,2,8) | 02 | 12 | 22 | 32 | 42 | 52 | 62 | 72 | 82 | 92 | A2 | B2 | C2 | D2 | E2 | F2 | Character mode instructions |
CHR(40,2,10) | 03 | 13 | 23 | 33 | 43 | 53 | 63 | 73 | 83 | 93 | A3 | B3 | C3 | D3 | E3 | F3 | |
CHR(40,4,8) | 04 | 14 | 24 | 34 | 44 | 54 | 64 | 74 | 84 | 94 | A4 | B4 | C4 | D4 | E4 | F4 | |
CHR(40,4,16) | 05 | 15 | 25 | 35 | 45 | 55 | 65 | 75 | 85 | 95 | A5 | B5 | C5 | D5 | E5 | F5 | |
CHR(20,5,8) | 06 | 16 | 26 | 36 | 46 | 56 | 66 | 76 | 86 | 96 | A6 | B6 | C6 | D6 | E6 | F6 | |
CHR(20,5,16) | 07 | 17 | 27 | 37 | 47 | 57 | 67 | 77 | 87 | 97 | A7 | B7 | C7 | D7 | E7 | F7 | |
MAP(40,4,8) | 08 | 18 | 28 | 38 | 48 | 58 | 68 | 78 | 88 | 98 | A8 | B8 | C8 | D8 | E8 | F8 | Memory mode instructions |
MAP(80,2,4) | 09 | 19 | 29 | 39 | 49 | 59 | 69 | 79 | 89 | 99 | A9 | B9 | C9 | D9 | E9 | F9 | |
MAP(80,4,4) | 0A | 1A | 2A | 3A | 4A | 5A | 6A | 7A | 8A | 9A | AA | BA | CA | DA | EA | FA | |
MAP(160,2,2) | 0B | 1B | 2B | 3B | 4B | 5B | 6B | 7B | 8B | 9B | AB | BB | CB | DB | EB | FB | |
MAP(160,2,1) | 0C | 1C | 2C | 3C | 4C | 5C | 6C | 7C | 8C | 9C | AC | BC | CC | DC | EC | FC | |
MAP(160,4,2) | 0D | 1D | 2D | 3D | 4D | 5D | 6D | 7D | 8D | 9D | AD | BD | CD | DD | ED | FD | |
MAP(160,4,1) | 0E | 1E | 2E | 3E | 4E | 5E | 6E | 7E | 8E | 9E | AE | BE | CE | DE | EE | FE | |
MAP(320,2,1) | 0F | 1F | 2F | 3F | 4F | 5F | 6F | 7F | 8F | 9F | AF | BF | CF | DF | EF | FF |