Search results
V9990 write mask
Score: 150.35 %,
Type: Forum topic , Comments: 68 comments
0x40000) ? (color >> 8) : (color & 0xFF);
byte dstColor = vram.readVRAMDirect(addr);
byte newColor = logOp(lut, srcColor, dstColor);
byte mask1 = (addr & 0x40000) ? (mask >> 8) : (mask & 0xFF);
byte mask2 = mask1 & (0xF0 >> (4 * (x & 1))); ...
auf wiedersehen monty only psg?
Score: 150.21 %,
Type: Forum topic , Comments: 8 comments
Recently I ve heard this song in msx psg. I must admit that is awesome!
And even others ports with different sound hw are equally awesome!
I am wondering if there is some OPx version taking advantage on fm synth like msx music or so.
Anyone know ...
msx printer port
Score: 149.25 %,
Type: Forum topic , Comments: 6 comments
Hi, all, time ago i remember a useful utility named LL3.EXE that ran on PC. It used the Printer Port to connect and exchange files between two PC.
This was possible because the PC Printer Port was bidirectional ( could be read or write )
I ...
What if PC ..... never existed?
Score: 149.16 %,
Type: Forum topic , Comments: 37 comments
It drops the original 9918 modes 0-3 but retains the Master system modes. This is really the end ... and VDP. The 34010 was also used in Graphic Accelerator cards in the Windows 3.0 era. It was also present ... an I/O read cycle must last about 0.8 µs (3 cycles on a 3.58 MHz Z80), so with a 7.16 MHz Z80 a bus ...
V9938 to v9958 adapter?
Score: 149.08 %,
Type: Forum topic , Comments: 4 comments
I wondering if it is possible to make a kind of small adapter board with a v9958 on It and some kind of small wires ( like that ones that connect vdp wait signal) that can be used by plugging in a V9938 socket after cutting the original chip and ...
Sony Hb-10p
Score: 148.97 %,
Type: Forum topic , Comments: 5 comments
Hi, all, today i've found a Sony HB-10P machine in a basement.
The machine appear to have the VDP broken.
my idea was to buy a F18A to make it working again and get rid of original VRAM chips.
However, after a quick look, i've found a ...
Psg instruments
Score: 148.9 %,
Type: Forum topic , Comments: 8 comments
the envelope period and keep the bottom 4 bits zero. Also briefly set the tone period to 0 prior to note-on ...
openMSX toolset
Score: 148.76 %,
Type: Forum topic , Comments: 3 comments
Hi, all.
i wondering how much complex is to create this kind of tools using TCL in openMSX. I do not know a single bit of TCL nor i ignore how much deeper is the integration in openMSX. There are my wishes, aimed most at hacking and or convertion from ...
Fusion_C and HTIMI
Score: 151.07 %,
Type: Forum topic , Comments: 43 comments
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; 2006/11/25 t.hara ;;
;; 2019/09/02 Pasi Kettunen ;; ...
#include "fusion-c/header/msx_fusion.h"
// io ports for vdp
__sfr __at (0x98) VDP_port1;
__sfr __at (0x99) VDP_port2;
volatile char vdp_status;
volatile int sync_flag;
volatile int cpt;
void ...
openMSX "software" breakpoint
Score: 148.57 %,
Type: Forum topic , Comments: 14 comments
set_watchpoint read_io 0x2E
The debug device can be used to log debug information.
akumajo: can you ... set_condition {[peek [reg pc]] == 0x40}
There. It’s slow though. I don’t understand why this would ...
