- Remove some old compatibility crap;

- Remove debugging stuff in t80pio;
- Adjust timing & addressing in cfdisk/cfram.  It now seems to work
  with new CF cards, but not with old ones for writing.  WTF?

1 files changed, 2 insertions, 27 deletions

diff --git a/t80pio/t80pio.v b/t80pio/t80pio.v
index 458bcd3..2acf17f 100644
--- a/t80pio/t80pio.v
+++ b/t80pio/t80pio.v
@@ -19,9 +19,7 @@ module T80PIO (
 	       ASTB_n,
 	       ARDY,
 	       BSTB_n,
-	       BRDY,
-
-	       debug
+	       BRDY
 	       );
    input        CLK_n;
    input 	RESET_n;
@@ -43,7 +41,6 @@ module T80PIO (
    output 	ARDY;
    input 	BSTB_n;
    output 	BRDY;
-   output [7:0] debug;
 
    reg [6:0] 	V;		// Interrupt vector
    reg [1:0] 	M;		// Operating mode (1's hot)
@@ -114,28 +111,6 @@ module T80PIO (
    // This computes the mode 3 interrupt condition
    wire [7:0] xor_mask = (ICW[2]^ICW[1]) ? 8'h00 : 8'hFF;
    wire       irq_cond = (((read_data ^ xor_mask) & ~MB) != 8'h00) ^ ICW[2];
-
-   reg [2:0]  intak_debug;
-
-   always @(posedge CLK_n or negedge RESET_n)
-     begin
-	if ( !RESET_n )
-	  intak_debug <= 0;
-	else
-	  begin
-	     if ( ~M1_n & ~IORQ_n & (my_irq|intak) )
-	       intak_debug[0] <= 1;
-	     if ( ~M1_n & ~IORQ_n & ~(my_irq|intak) )
-	       intak_debug[1] <= 1;
-	  end
-     end // always @ (posedge CLK_n or negedge RESET_n)
-   
-   assign     debug[0]   = irq_cond;
-   assign     debug[1]   = servicing_irq;
-   assign     debug[2]   = need_irq;
-   assign     debug[3]   = ~INT_n;
-   assign     debug[4]   = read_data[7];
-   assign     debug[7:5] = intak_debug;
       
    always @(posedge CLK_n or negedge RESET_n)
      begin
@@ -151,7 +126,7 @@ module T80PIO (
 	     need_irq <= 0;
 	     intak <= 0;
 	     servicing_irq <= 0;
-	     ASTB_n_old <= ASTB_n;
+	     ASTB_n_old <= 0;
 	     irq_cond_old <= 0;
 	     addressed_old <= 0;
 	  end