github.com/lisper.cpus-pdp8
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mirror of synced 2026-04-10 14:49:10 +00:00
Code Issues Releases Wiki Activity

minor clean up for synthesis

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brad
2010-04-16 12:31:06 +00:00
parent e421d1a9f1
commit 84def5b611
2 changed files with 8 additions and 2 deletions
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2
rtl/pdp8_io.v
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@@ -102,7 +102,7 @@ module pdp8_io(clk, brgclk, reset, iot, state, mb,
.io_data_avail(rf_io_data_avail),
.io_interrupt(rf_io_interrupt),
.io_skip(rf_io_skip),
.io_clear_ac(rf_io_cleac_ac),
.io_clear_ac(rf_io_clear_ac),
.ram_read_req(io_ram_read_req),
.ram_write_req(io_ram_write_req),

8
rtl/pdp8_rf.v
View File

@@ -827,6 +827,8 @@ is_read <= 1'b1;
set_buffer_addr = 0;
set_buffer_dirty = 0;
load_buffer_hold = 0;
set_db_done = 0;
clear_db_done = 0;
case (db_state)
DB_idle:
@@ -972,7 +974,7 @@ is_read <= 1'b1;
DB_next_xfer_incr:
begin
dma_addr[11:0] <= dma_addr[11:0] + 12'o00001;
dma_addr[11:0] <= dma_addr[11:0] + 12'o0001;
dma_wc <= dma_wc + 12'b1;
`ifdef debug_rf
$display("dma_wc %o dma_addr %o MEX %o",dma_wc,dma_addr,MEX);
@@ -985,13 +987,17 @@ is_read <= 1'b1;
if (dma_addr == 12'o7750 && ram_done)
begin
dma_wc <= buff_out;
`ifdef debug
$display("rf: snoop update wc %o", buff_out);
`endif
end
if (dma_addr == 12'o7751 && ram_done)
begin
dma_addr[11:0] <= buff_out;
`ifdef debug
$display("rf: snoop update ca %o", buff_out);
`endif
end
`ifdef debug_rf