# Memory Layout
- bank switching using 8-Bit register
- top 32K remain untouched

| start  | end    | use |
| :----- | :----- | :-- |
| 0x8000 | 0xDFFF | RAM |
| 0xE000 | 0xFFFF | ROM |

# Default (0X00)
| start  | end    | use |
| :----- | :----- | :-- |
| 0x0000 | 0x7FFF | I/O |

# [Persistent Memory](./persistent-memory.md) (0x01)
| start  | end    | use     |
| :----- | :----- | :------ |
| 0x0000 | 0x7FFF | storage |

# [Monochrome Video](./monochrome-video.md) (0x0E, 0x0F)
| start  | end    | use              |
| :----- | :----- | :--------------- |
| 0x0000 | 0x4AFF | VRAM             |
| 0x6000 | 0x7FFF | character memory |

# [Color Video](./color-video.md) (0x10-0x19)
| start  | end    | use  | bank      |
| :----- | :----- | :--- | :-------- |
| 0x0000 | 0x7FFF | VRAM | 0x10-0x18 |
| 0x0000 | 0x3FFF | VRAM | 0x19      |