URL
https://opencores.org/ocsvn/rf68000/rf68000/trunk
[/] [rf68000/] [trunk/] [rtl/] [cpu/] [rf68000.sv] - Diff between revs 8 and 9
Show entire file |
Details |
Blame |
View Log
| Rev 8 |
Rev 9 |
| Line 3274... |
Line 3274... |
Rt <= rrrr;
|
Rt <= rrrr;
|
ret();
|
ret();
|
end
|
end
|
|
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
|
// The destination store for the MOVE instruction.
|
// Flags are not updated if the target is an address register.
|
// Flags are not updated if the target is an address register.
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
|
|
STORE_IN_DEST:
|
STORE_IN_DEST:
|
begin
|
begin
|
| Line 3464... |
Line 3465... |
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
ADD:
|
ADD:
|
begin
|
begin
|
flag_update <= FU_ADD;
|
flag_update <= FU_ADD;
|
if (sz==2'b11) begin
|
if (sz==2'b11) begin
|
|
flag_update <= FU_NONE;
|
Rt <= {1'b1,AAA};
|
Rt <= {1'b1,AAA};
|
if (ir[8]) begin
|
if (ir[8]) begin
|
rfwrL <= 1'b1;
|
rfwrL <= 1'b1;
|
resL <= d + s;
|
resL <= d + s;
|
end
|
end
|
| Line 3525... |
Line 3527... |
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
SUB:
|
SUB:
|
begin
|
begin
|
flag_update <= FU_SUB;
|
flag_update <= FU_SUB;
|
if (sz==2'b11) begin
|
if (sz==2'b11) begin
|
|
flag_update <= FU_NONE;
|
Rt <= {1'b1,AAA};
|
Rt <= {1'b1,AAA};
|
if (ir[8]) begin
|
if (ir[8]) begin
|
rfwrL <= 1'b1;
|
rfwrL <= 1'b1;
|
resL <= d - s;
|
resL <= d - s;
|
end
|
end
|
© copyright 1999-2024
OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.