Search found 152 matches
- Sat Nov 23, 2019 6:16 pm
- Forum: Hardware
- Topic: MZ 700 - rear view
- Replies: 14
- Views: 17939
Re: MZ 700 - rear view
The use of female or male connectors was up to the implementation in those days. The only computer I know that use a male DB25 printer port and female DB25 serial port is the Amiga 1000, and even back in 1985 it was criticized for not having standard ports. So if you see a female DB25 on the back o...
- Sat Nov 23, 2019 6:02 pm
- Forum: Games
- Topic: Sharptris - new game for MZ700
- Replies: 7
- Views: 11165
Sharptris - new game for MZ700
Sharptris is an implementation of Tetris for the MZ700. It has one- and twoplayer modes and is mostly based on the original game, but also has a couple of (optional) features from more recent Tetris versions. The game is coded in C using z88dk. Graphics and code by me, graphics editor and sound by g...
- Thu Nov 07, 2019 8:48 pm
- Forum: Other
- Topic: MZ 700 - detect PAL/NTSC
- Replies: 18
- Views: 26191
Re: MZ 700 - detect PAL/NTSC
I guess you wrap it with DI : ... : EI to delete any interrupt? No, I did not. Tried this now but it did not make a difference. Emulator: I'm not expecting the emulator to run each instruction at an accurate 3.57 MHz frequency. An emulator tends to run a batch of instructions then pause to make the...
- Wed Nov 06, 2019 10:00 pm
- Forum: Other
- Topic: MZ 700 - detect PAL/NTSC
- Replies: 18
- Views: 26191
Re: MZ 700 - detect PAL/NTSC
Btw I "solved" this problem by not using this timer at all, I count how many times I can increment a variable between two VBL's. Not the most elegant solution but it's working.
- Wed Nov 06, 2019 9:32 pm
- Forum: Other
- Topic: MZ 700 - detect PAL/NTSC
- Replies: 18
- Views: 26191
Re: MZ 700 - detect PAL/NTSC
I'll try to remember that :) Did some more test and got things "working" on real hardware. "Working" as in "something happens". I don't understand the results. The crude test code looks like this: vbl(); *((unsigned char *)0xe007) = 0x74; *((unsigned char *)0xe005) = 0x...
- Tue Nov 05, 2019 1:18 pm
- Forum: Hardware
- Topic: Dumping character ROM
- Replies: 12
- Views: 16681
- Tue Nov 05, 2019 11:42 am
- Forum: Other
- Topic: MZ 700 - detect PAL/NTSC
- Replies: 18
- Views: 26191
Re: MZ 700 - detect PAL/NTSC
Only 0xffff.
- Mon Nov 04, 2019 9:26 pm
- Forum: Other
- Topic: MZ 700 - detect PAL/NTSC
- Replies: 18
- Views: 26191
Re: MZ 700 - detect PAL/NTSC
Software: 8253.CLK1 = /BLNK. Between two fall-edge /VSYNC count how many /BLNK occurs (reading CNT1 before and after and compute delta for instance). It should give the number of lines which should reflect a PAL or NTSC number of lines. Just tested this, and while it worked fine (sort of) in the em...
- Mon Nov 04, 2019 8:17 pm
- Forum: Games
- Topic: Bomberman for GCG-700
- Replies: 10
- Views: 15166
Re: Bomberman for GCG-700
Very nice!
- Mon Nov 04, 2019 8:15 pm
- Forum: Games
- Topic: A small preview
- Replies: 9
- Views: 12883