From 74371049b132e1068ea519beee4a645c78f04f98 Mon Sep 17 00:00:00 2001 From: fulivi Date: Wed, 17 Feb 2016 11:20:49 +0100 Subject: [PATCH] hp9845: small improvements to 9845/TACO docs --- src/devices/machine/hp_taco.cpp | 8 ++++++++ src/mame/drivers/hp9845.cpp | 6 +++--- 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/src/devices/machine/hp_taco.cpp b/src/devices/machine/hp_taco.cpp index 73b7c9a441b..76203d31ee3 100644 --- a/src/devices/machine/hp_taco.cpp +++ b/src/devices/machine/hp_taco.cpp @@ -124,6 +124,14 @@ // * I tried to fill the (many) gaps on chip behavior with "sensible" solutions. I could only // validate my solutions by running the original firmware in MAME, though (no real hw at hand). // +// TODOs/issues: +// * Some code cleanup +// * Handling of tape holes seems to be wrong: test "C" of test ROM only works partially +// * Find out what is read from register R6 +// * Handle device_image_interface::call_display to show state of tape +// * Find more info on TACO chips (does anyone with a working 9845 or access to internal HP docs want to +// help me here, please?) +// #include "emu.h" #include "hp_taco.h" diff --git a/src/mame/drivers/hp9845.cpp b/src/mame/drivers/hp9845.cpp index ec0e53da906..7f83f001fe3 100644 --- a/src/mame/drivers/hp9845.cpp +++ b/src/mame/drivers/hp9845.cpp @@ -16,12 +16,12 @@ // - LPU & PPU ROMs // - LPU & PPU RAMs // - Text mode screen -// - Keyboard (most of keys) +// - Keyboard +// - T15 tape drive // What's not yet in: // - Beeper -// - Rest of keyboard // - Graphic screen -// - Tape drive (this needs some heavy RE of the TACO chip) +// - Better naming of tape drive image (it's now "magt", should be "t15") // - Better documentation of this file // - Software list to load optional ROMs // What's wrong: