Commit 2ca416f7 authored by ekeeke's avatar ekeeke
Browse files

Updated HISTORY.txt

parent be0edd89
......@@ -25,6 +25,7 @@ Genesis Plus GX 1.7.5 (xx/xx/xxxx) (Eke-Eke)
* improved Main-CPU & Sub-CPU idle loop detection (fixes "Super League CD")
* improved PAL Mega CD timing accuracy (fixes PAL "Snatcher" intro synchronization)
* improved CDD "play" command accuracy (fixes "Snatcher" Act 2 starting cutscene)
* improved CDD status report accuracy (fixes track looping with Mode 1 patched games using MSU-MD driver)
* improved Word-RAM byte access accuracy (verified on schematics)
* disabled 68k and Z80 access to PRG-RAM when SUB-CPU is running (fixes "Dungeon Explorer")
* disabled CD hardware reset on Soft-Reset (verified on real hardware)
......@@ -43,6 +44,7 @@ Genesis Plus GX 1.7.5 (xx/xx/xxxx) (Eke-Eke)
* fixed pending level 1 interrupts when GFX interrupt is disabled (fixes random freezes when exiting "Batman Returns" option menu)
* fixed CDD seek command again (Final Fight CD freeze with model 2 BIOS)
* fixed CDD status reported during seek/access time (sound effect synchronization issue in Bari Arm)
* fixed word access to CDD control register (fixes spurious audio track playback on startup with Mode 1 patched games using MSU-MD driver)
* optimized Sub-CPU / Main-CPU synchronization
......@@ -93,6 +95,7 @@ Genesis Plus GX 1.7.5 (xx/xx/xxxx) (Eke-Eke)
* improved 68k auto-vectored interrupts acknowledge cycle timing accuracy (Bubsy background color corruption during cutscenes)
* fixed 68k undocumented behaviors for ABCD/SBCD/NBCD instructions (thanks to Flamewing for his test ROM)
* fixed 68k timing of BTST Dn,#Imm instruction (verified by Flamewing in original microcode)
* fixed 68k timings of ANDI.L #Imm,Dn, ADDQ.W #Imm,An and TAS instructions (cf. Yacht.txt)
* fixed 68K DIVU instruction timings for SUB-CPU
* fixed Z80 interrupt duration (Bomb on Basic City music running too fast)
* fixed Z80 SP register initialization on power-on for Master System & Game Gear
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