Module vic2 

Registers for the MOS 6566/6567 (VIC-II) Chip

The VIC-II (Video Interface Chip II), specifically known as the MOS Technology 6567/8562/8564 (NTSC versions), 6569/8565/8566 (PAL), is the microchip tasked with generating Y/C video signals (combined to composite video in the RF modulator) and DRAM refresh signals in the Commodore 64 and C128 home computers.

Structs

CharsetBank

All possible charset memory locations

ControlXFlags

X-Scroll Register Flags (0xD016)

ControlYFlags

Y-Scroll Register Mask (0xd011)

IRQEnableFlags

Flags to trigger IRQ request when VIC-II interrupt conditions are met (0xD01A)

InterruptFlags

Interrupt Register Flags (0xD019). Bits are set to 1 when an IRQ is detected.

MOSVideoInterfaceControllerII

Hardware registers for the MOS Technologies Video Interface Controller II

ScreenBank

All possible screen memory locations

Sprites

Bitmask for sprites 0 to 7.

XYcoordinate

X and Y positions for e.g. sprites

Constants

BLACK

BLUE

BROWN

CYAN

GRAY1

GRAY2

GRAY3

GREEN

LIGHT_BLUE

LIGHT_GREEN

LIGHT_RED

ORANGE

PURPLE

RED

WHITE

YELLOW

Functions

to_sprite_pointer

Calculate sprite pointer from pattern address