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Which of these is faster?
Score: 165.39 %,
Type: Forum topic , Comments: 27 comments
for MSX1)
;Input: HL = source address in RAM
; DE = destination address in VRAM (0-3FFFh)
; BC ... a,(VDP_DW) ;Incompatible under DOS.
ld c,a
inc c
di
out (c),e ;bits 0 to 7 of VRAM address
ld a,d ... a,c
or a
jr z,copy_to_VDP_lsb_0
inc e
copy_to_VDP_lsb_0:
ld b,c
; get the VDP ...
Red Line 2 - Possible future racing game for MSX1
Score: 165.15 %,
Type: Forum topic , Comments: 16 comments
I made a small POC of a pseudo 3D racing game for MSX1 computers, inspired by Top Gear 2 for SNES. I took the idea from this thread .
I have two name tables and alternate between them. The patterns are equal, only the colors differ. It's ...
Screen 2 using only one pattern table
Score: 165.72 %,
Type: Forum topic , Comments: 9 comments
on the VDP's VRAM address lookup, so setting them to 0 causes the mirroring effect.
However, note ...
10 SCREEN1:WIDTH32
20 SCREEN2:POKE&HFCAF,1
30 VDP(3)=&H9F:VDP(4)=0
I am a bit ...
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; defb 0x02 ; Reg# 0 000000[M3][EV]
; defb 0x62 ; Reg# 1 ...
