third-party/verilog-6502
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Arlet 65C02 WIP: Cosmetic

Browse Source 
Change-Id: I9c9c1d612f254fd7c36a6d3425c6824fcbfc7c3c
This commit is contained in:
David Banks
2016-08-01 11:58:14 +01:00
parent 5a7224efe0
commit 473b5bdcab
1 changed files with 12 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
cpu_65c02.v
View File

@@ -989,18 +989,18 @@ always @(posedge clk)
always @(posedge clk)
if( state == DECODE && RDY )
casex( IR )
8'b0xx10010, // ORA, AND, EOR, ADC (zp)
8'b1x110010, // LDA, SBC (zp)
8'b0xxx1010, // ASLA, INCA, ROLA, DECA, LSRA, PHY, RORA, PLY
8'b0xxxxx01, // ORA, AND, EOR, ADC
8'b100x10x0, // DEY, TYA, TXA, TXS
8'b1010xxx0, // LDA/LDX/LDY
8'b10111010, // TSX
8'b1011x1x0, // LDX/LDY
8'b11001010, // DEX
8'b11x11010, // PHX, PLX
8'b1x1xxx01, // LDA, SBC
8'bxxx01000: // PHP, PLP, PHA, PLA, DEY, TAY, INY, INX
8'b0xx1_0010, // ORA, AND, EOR, ADC (zp)
8'b1x11_0010, // LDA, SBC (zp)
8'b0xxx_1010, // ASLA, INCA, ROLA, DECA, LSRA, PHY, RORA, PLY
8'b0xxx_xx01, // ORA, AND, EOR, ADC
8'b100x_10x0, // DEY, TYA, TXA, TXS
8'b1010_xxx0, // LDA/LDX/LDY
8'b1011_1010, // TSX
8'b1011_x1x0, // LDX/LDY
8'b1100_1010, // DEX
8'b11x1_1010, // PHX, PLX
8'b1x1x_xx01, // LDA, SBC
8'bxxx0_1000: // PHP, PLP, PHA, PLA, DEY, TAY, INY, INX
load_reg <= 1;
default: load_reg <= 0;