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lib,examples: changes for new register address mapping

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slederer 2026-01-28 01:15:16 +01:00
parent 248c9ae919
commit 937369f60b
6 changed files with 25 additions and 28 deletions
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10
tridoracpu/tridoracpu.srcs/vgafb.v
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@ -132,9 +132,9 @@ module vgafb #(VMEM_ADDR_WIDTH = 15, VMEM_DATA_WIDTH = 32) (
`ifdef ENABLE_FB_ACCEL
localparam REG_SHIFTER = 6;
localparam REG_SHIFTCOUNT = 7;
localparam REG_SHIFTERM = 9;
localparam REG_SHIFTERSP = 10;
localparam REG_MASKGEN = 11;
localparam REG_SHIFTERM = 8;
localparam REG_SHIFTERSP = 09;
localparam REG_MASKGEN = 10;
`endif
localparam COLOR_WIDTH = 12;
@ -325,18 +325,14 @@ module vgafb #(VMEM_ADDR_WIDTH = 15, VMEM_DATA_WIDTH = 32) (
always @(posedge cpu_clk)
begin
if (acc_start_shift)
begin
acc_shifter_out <= {acc_shifter_in, {VMEM_DATA_WIDTH{1'b0}}} >> acc_shift_count;
end
end
// mask register
always @(posedge cpu_clk)
begin
if (wr_en && reg_sel == REG_MASKGEN)
begin
acc_mask_in <= wr_data;
end
end
assign acc_mask_out = {