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I thought I could rely on hex2bin giving me the highest address in use by my program

by Bengalack on 04-12-2020, 20:48
Score: 167.12 %, Type: Forum topic , Comments: 10 comments
hex2bin is indeed a file of the size 31680 bytes (0x7BC0) - ref. image. There are a bunch of variables at the end of the program (before and after 0x7CB8), these are written to as part of the initializer, ... _INITIALIZED .area _BSEG .area _BSS .area _HEAP I can ask on SDCC-forums too. I think hex2bin has ...

Game working in emulators --not on physical machine :-(

by Bengalack on 15-11-2020, 15:21
Score: 166.87 %, Type: Forum topic , Comments: 8 comments
whatever. So don't expect the RAM having 0 or $FF or any value at all. Can be random. So what Grauw ...

ayfx-replayer - how does it work? no OUT-command whatsoever?

by Bengalack on 11-11-2020, 21:17
Score: 166.68 %, Type: Forum topic , Comments: 2 comments
In my search for a light-weight sound effect replayer, and effects-library, I found ayFX (the editor), and then I found: http://www.z80st.es/blog/2013/06/29-ayfx-replayer-v1-31 http://www.z80st.es/downloads/code/ I was pretty happy ...

Any way to easily "find" the debuggable viewer-window again?

by Bengalack on 07-11-2020, 09:00
Score: 166.56 %, Type: Forum topic , Comments: 17 comments
annoyances? The macOS version seems to have been stopped at 0.1.0-dev263 (2017) on the daily builds, while the win64 version is 20201008. On the official download site, the debugger about-box reports a bizarre "0.10.0-unknown" version, so I don't even know which version I should be using. ...

Stepping through and jp (hl) seems ignored?

by Bengalack on 25-10-2020, 16:15
Score: 166.3 %, Type: Forum topic , Comments: 2 comments
I'm a little puzzled when stepping trough here. It seems like E9 is ignored. Check HL, and check PC step: Step: I was expecting PC to go to D962 and not DA96... Not sure why BC and DE are changing either. Ok, I ...

Does a "quick" MSX computers overview with "ratings" exist?

by Bengalack on 18-10-2020, 10:45
Score: 166.12 %, Type: Forum topic , Comments: 14 comments
The saddest thing happened, my old work horse, an SVI-738 rebuilt to MSX2, with 256kb memory mapped ram and msx-music, died yesterday. My hunt for physical evidence of YM2413 resulted in death when I assembled the case back on. I'm mourning :-( ...

Is there a way to "dump the lowest value of SP" used by your program?

by Bengalack on 13-09-2020, 08:32
Score: 165.47 %, Type: Forum topic , Comments: 6 comments
(let's say 0xe000-0xf300). The 2nd line in Nyyrikki's script then becomes debug set_watchpoint write_mem {0xe000 0xf2ff} {[reg sp] < $::losp} {set ::losp [reg sp]} Another alternative (which ...

Z80 Assembly Meter now supports the "SDCC-dialect"

by Bengalack on 13-09-2020, 08:19
Score: 165.32 %, Type: Forum topic , Comments: 2 comments
Just showing some appreciation :-) theNestruo has released an update to the, already great, extension "Z80 Assembly meter". This time we get support for some of the strange syntax SDCC outputs and requires. This is great! --One thing is ...

When you spend a full day tracking down a bug :-( Bug in SDCC 4.0?

by Bengalack on 30-08-2020, 20:19
Score: 164.86 %, Type: Forum topic , Comments: 33 comments
When you spend a full day tracking down a bug :-( Bug in SDCC 4.0? You trust the compiler - ... ].uFileIndex[ 0 ]; for( n=0;n<4;n++ ) pr( x ); */ for( n=0;n<4;n++ ) pr( p[ 5 ].uFileIndex[ 0 ] ); } void main(void) { unsigned char n; SpriteMap p[ HOW_MANY ]; for( ...

How to access undocumented z80-instructions in SDCC (sdasz80)?

by Bengalack on 16-08-2020, 10:59
Score: 169.52 %, Type: Forum topic , Comments: 20 comments
0xFD, 0x54 ; 10 MSX cycles .endm .macro ld____e_iyl .db 0xFD, 0x5D ; 10 MSX cycles .endm .macro ld____iyh_d .db 0xFD, 0x62 ; 10 MSX cycles .endm ...etc If only SDCC assembler could If only SDCC ... prefix area). (thinking about my post twice.. wait, this is MSX forum, so you have all those extra wait ...
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