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[/] [t48/] [tags/] [rel_1_0/] [rtl/] [vhdl/] - Rev 153

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Rev Log message Author Age Path
153 introduced generic gate_port_input_g
forces masking of P1 and P2 input bus
arniml 7159d 22h /t48/tags/rel_1_0/rtl/vhdl/
150 intruduced hierarchy t8048_notri where all system functionality
except bidirectional ports is handled
arniml 7160d 21h /t48/tags/rel_1_0/rtl/vhdl/
149 update arniml 7160d 21h /t48/tags/rel_1_0/rtl/vhdl/
148 initial check-in arniml 7160d 21h /t48/tags/rel_1_0/rtl/vhdl/
145 remove PROG and end of XTAL2, see comment for details arniml 7197d 23h /t48/tags/rel_1_0/rtl/vhdl/
144 delay db_dir_o by one machine cycle
this fixes the timing relation between BUS data and WR'
arniml 7197d 23h /t48/tags/rel_1_0/rtl/vhdl/
143 Fix bug report:
"RD' and WR' not asserted for INS A, BUS and OUTL BUS, A"
rd is asserted for INS A, BUS
wr is asserted for OUTL BUS, A
P1, P2 and BUS are written in first instruction cycle
arniml 7198d 00h /t48/tags/rel_1_0/rtl/vhdl/
142 deassert rd_q, wr_q and prog_q at end of XTAL3 arniml 7198d 00h /t48/tags/rel_1_0/rtl/vhdl/
138 Fix for:
P1 constantly in push-pull mode in t8048
arniml 7199d 11h /t48/tags/rel_1_0/rtl/vhdl/
134 Fix bug report:
"PSENn Timing"
PSEN is now only asserted for the second cycle if explicitely
requested by assert_psen_s.
The previous implementation asserted PSEN together with RD or WR.
arniml 7241d 19h /t48/tags/rel_1_0/rtl/vhdl/
129 cleanup copyright notice arniml 7304d 03h /t48/tags/rel_1_0/rtl/vhdl/
128 counter_q is not cleared during reset
this would match all different descriptions of the Counter as
a) if the software assumes that the Counter is modified during reset, it
will initialize the Counter anyhow
b) the special case 'Counter not modified during reset' is covered
arniml 7311d 07h /t48/tags/rel_1_0/rtl/vhdl/
120 Fix bug report:
"Program Memory bank can be switched during interrupt"
int module emits int_in_progress signal that is used inside the decoder
to hold mb low for JMP and CALL during interrupts
arniml 7314d 23h /t48/tags/rel_1_0/rtl/vhdl/
119 add int_in_progress_o to entity of int module arniml 7314d 23h /t48/tags/rel_1_0/rtl/vhdl/
108 Fix for:
External Program Memory ignored when EA = 0
arniml 7355d 22h /t48/tags/rel_1_0/rtl/vhdl/
107 tie EA to '1' arniml 7355d 22h /t48/tags/rel_1_0/rtl/vhdl/
106 clean-up use of ea_i arniml 7355d 22h /t48/tags/rel_1_0/rtl/vhdl/
101 assert p2_read_p2_o when expander port is read arniml 7359d 05h /t48/tags/rel_1_0/rtl/vhdl/
100 reorder data_o generation arniml 7359d 05h /t48/tags/rel_1_0/rtl/vhdl/
98 Fix bug "ANL and ORL to P1/P2 read port status instead of port output register" arniml 7359d 06h /t48/tags/rel_1_0/rtl/vhdl/

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