Instructions for Blank lines#
| Instruction dec | Instruction hex | BASIC Mode | Scan lines | Pixel per line | Bytes per line | Comment |
|---|---|---|---|---|---|---|
| 0 | $00 | na | 1 | 0 | 0 | 1 blank line |
| 16 | $10 | na | 2 | 0 | 0 | 2 blank lines |
| 32 | $20 | na | 3 | 0 | 0 | 3 blank lines |
| 48 | $30 | na | 4 | 0 | 0 | 4 blank lines |
| 64 | $40 | na | 5 | 0 | 0 | 5 blank lines |
| 80 | $50 | na | 6 | 0 | 0 | 6 blank lines |
| 96 | $60 | na | 7 | 0 | 0 | 7 blank lines |
| 128 | $70 | na | 8 | 0 | 0 | 8 blank lines |
Jump Instructions#
| Instruction dec | Instruction hex | BASIC Mode | Scan lines | Pixel per line | Bytes per line | Comment |
|---|---|---|---|---|---|---|
| 1 | $01 | na | 0 | 0 | 0 | jump to address, instruction followed by address (2 byte in LSB,MSB order) |
| 65 | $41 | na | 0 | 0 | 0 | jumpt o address and wait for VBI, instruction followed by address (2 byte in LSB,MSB order) |
Instructions for Text Lines#
| Instruction dec | Instruction hex | BASIC Mode | Scan lines | Pixel per line | Bytes per line | Comment |
|---|---|---|---|---|---|---|
| 2 | $02 | 0 | 8 | 40 | 40 | Text mode 0, normal text |
| 3 | $03 | na | 10 | 40 | 40 | text with full size descenders (e.g. g,p,y,j,q) |
| 4 | $04 | na | 8 | 40 | 40 | Multicolor Character, double width |
| 5 | $05 | na | 16 | 40 | 40 | Multicolor Character, double heigth and width |
| 6 | $06 | 1 | 8 | 20 | 20 | Text mode 1, double width text |
| 7 | $07 | 2 | 16 | 20 | 20 | Text mode 2, double width and height text |
Instructions for Pixel/Graphics Lines#
| Instruction dec | Instruction hex | BASIC Mode | Scan lines | Pixel per line | Bytes per line | Comment |
|---|
| Function | add decimal | add hex | bit | comment |
|---|---|---|---|---|
| enable Vertical Scrolling | 16 | $10 | 5 | see VSCROL |
| enable Horizontal Scrolling | 32 | $20 | 5 | see HSCROL |
| Load memory scan | 64 | $40 | 6 | instruction followed by address (2 byte in LSB,MSB order) |
| enable Display List Interrupt | 128 | $80 | 7 | see VDSLST |