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tndata / gist:313688ffe2e2d24b676e2264a9943d5c
Created December 1, 2021 12:39
Sega MegaDrive development kit debugger
******************************************
*SEGA Megadrive comunication program *
*(c) 1991 Synchron Assembly *
*https://www.tn-data.se *
******************************************
*f1=trace, f2=skip instruction f4=go
*d xxxx set dissasm window, d pc
*m xxxx set memory window, m pc
*j xxxx set sega PC
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tndata / gist:e79d6148df490fd45dba012bdb3bb5f4
Created December 1, 2021 12:21
PAL source code for the Sega Mega Drive development kit
Title Sega Megadrive dev system PAL #1
; special 26v12 version
revision 2
date 1994-04-01
company Synchron Data
author Tore
Pattern 0A
;Buggfixes:
;Eprom_cs buggfixed
;changed sega d7 strobe to d15 and same adress as datareadlatch
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tndata / gist:95b14a32c10a01124ce64f81234715e0
Last active April 25, 2023 20:35
Sega MegaDrive hardware development kit firmware source code
* v 1.0 *
* BOOT ROM source for *
* for SEGA MEGADRIVE *
* 1991 Synchron Assembly *
* https://ww.tn-data.se *
**************************************
*sram start FF0000
_final:
ifd _final
dc.l $FFFE00 *Stack pointer