OpenCores
URL https://opencores.org/ocsvn/cpu6502_true_cycle/cpu6502_true_cycle/trunk

Subversion Repositories cpu6502_true_cycle

[/] [cpu6502_true_cycle/] [trunk/] [rtl/] [vhdl/] [fsm_execution_unit.vhd] - Rev 18

Rev

Go to most recent revision | Details | Compare with Previous | Blame

Filtering Options

Clear current filter

Rev Log message Author Age Path
18 New directory structure. root 5725d 12h /cpu6502_true_cycle/trunk/rtl/vhdl/fsm_execution_unit.vhd
15 CORRECTED "RTI" (wrong: use of stack pointer)
RENAME all states of "FSM Execution Unit" for better reading
(90%) Finish working for Specification of cpu6502_tc
fpga_is_funny 5737d 14h /cpu6502_true_cycle/trunk/rtl/vhdl/fsm_execution_unit.vhd
14 More optimizations...
- Second Phaze of removing unused nets & registers
- Added Verilog source on demand by some customers (for trial use)
fpga_is_funny 5784d 11h /cpu6502_true_cycle/trunk/rtl/vhdl/fsm_execution_unit.vhd
11 *** EMERGENCY BUGFIX ***
- Signal rd_o was corrupted in last version. wr_o and wr_n are not effected.
- OP JMP (indirect) produced a 65C02 like jump. On 6502 a special case exist
when the (indirect) address cross the page boundary (e.g. JMP (02FF) reads
from $02FF and $0200, instead of $02FF and $0300)
fpga_is_funny 5789d 10h /cpu6502_true_cycle/trunk/rtl/vhdl/fsm_execution_unit.vhd
9 This commit was generated by cvs2svn to compensate for changes in r8, which
included commits to RCS files with non-trunk default branches.
fpga_is_funny 5789d 10h /cpu6502_true_cycle/trunk/rtl/vhdl/fsm_execution_unit.vhd
8 *** EMERGENCY BUGFIX ***
- Signal rd_o was corrupted in last version. wr_o and wr_n are not effected.
- OP JMP (indirect) produced a 65C02 like jump. On 6502 a special case exist
when the (indirect) address cross the page boundary (e.g. JMP (02FF) reads
from $02FF and $0200, instead of $02FF and $0300)
fpga_is_funny 5789d 10h /cpu6502_true_cycle/trunk/rtl/vhdl/fsm_execution_unit.vhd
6 *** EMERGENCY BUGFIX ***
- Signal rd_o was corrupted in last version. wr_o and wr_n are not effected.
- OP "JMP (indirect)" produced a 65C02 like jump. On 6502 a special case exist
when the (indirect) address cross the page boundary (e.g. JMP (02FF) reads from
$02FF and $0200, instead $02FF and $0300)
fpga_is_funny 5789d 11h /cpu6502_true_cycle/trunk/rtl/vhdl/fsm_execution_unit.vhd

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.