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m6800: move m6801 TODO over to m6801.cpp

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This commit is contained in:
hap 2023-12-04 12:38:08 +01:00
parent 6a2b6f5197
commit b6ec45e3b1
2 changed files with 16 additions and 8 deletions
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9
src/devices/cpu/m6800/m6800.cpp
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@ -24,14 +24,7 @@ TODO:
- verify invalid opcodes for the different CPU types
- add 6802 nvram (only in case VCC STANDBY is connected to battery)
- cleanups (difficult to do maintenance work right now)
- improve 6801 and derivatives:
* improve RAM control register
* improve STBY pin? RES pin (reset) should be ineffective while STBY is low
* IS3 interrupt for 6801 port 3 handshake (already implemented for 6301Y)
* finish 6301Y port 6 handshake, share implementation with p3csr?
* 6301Y sci_trcsr2_r/w
* add 6801U4 extra timer registers (bublbobl, kikikai, though they seem
to work fine without)
- (see m6801.cpp for 6801-specific TODO)
*****************************************************************************/

15
src/devices/cpu/m6800/m6801.cpp
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@ -1,5 +1,20 @@
// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/*
6801 and derivatives
TODO:
- improve RAM control register
- improve STBY pin? RES pin (reset) should be ineffective while STBY is low
- IS3 interrupt for 6801 port 3 handshake (already implemented for 6301Y)
- address TRAP (at the moment, only illegal opcode TRAP is emulated)
- finish 6301Y port 6 handshake, share implementation with p3csr?
- 6301Y sci_trcsr2_r/w
- add 6801U4 extra timer registers (bublbobl, kikikai, though they seem
to work fine without)
*/
#include "emu.h"
#include "m6801.h"