Search results
VDP9938 Sprite table registers
Score: 148.27 %,
Type: Forum topic , Comments: 3 comments
(VDPregister6 * 0800h)
with sprite base register (reg6) having the value 0x1F then the sprite base should calculated as 0x1f * 0x0800 = 0xF800
Fine so far, until I find that the actual sprite pattern data is stored at location E0D0, and displays fine on the crt screen.
how can it be possible that the sprite ...
Z80A
Score: 124.86 %,
Type: wiki , Comments: 0 comments
this pin is connected to +5V on MSX. So you can ignore it.
The Z80 has three interrupt modes.
Mode 0 ... depending on its state (0 or 1), provides information on the result of certain operations. This is described ... one-bit registers that serve as flags for interrupts. When IFF1 is 0 maskable interrupts are disabled. At ...
