URL
https://opencores.org/ocsvn/ag_6502/ag_6502/trunk
Subversion Repositories ag_6502
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Rev 5 → Rev 6
/ag_6502/trunk/agat7/ag_6502.v
16,6 → 16,7
// Revision: |
// Revision 0.01 - File Created |
// Revision 0.02 - Fixed NMI bug |
// Revision 0.03 - Updated clocking constants to support higher frequencies |
// Additional Comments: |
// |
////////////////////////////////////////////////////////////////////////////////// |
40,7 → 41,7
`else |
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module ag6502_phase_shift(input baseclk, input phi_0, output reg phi_1); |
parameter DELAY = 1; // delay in waves of baseclk |
parameter DELAY = 1; // delay in semi-waves of baseclk |
initial phi_1 = 0; |
integer cnt = 0; |
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54,7 → 55,7
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// baseclk is used to simulate delays on a real hardware |
module ag6502_ext_clock(input baseclk, input phi_0, output phi_1, output phi_2); |
parameter DELAY1 = 3, DELAY2 = 1; // delays in waves of baseclk |
parameter DELAY1 = 2, DELAY2 = 0; // delays in semi-waves of baseclk |
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wire phi_1_neg, phi_01; |
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