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Merge pull request #7 from brNX/master

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Only set irq_vector to specific address if both IE and IF are enabled
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sorgelig
2018-11-14 12:03:50 +08:00
committed by GitHub
parent 91f1f7afe9 8c1dac4685
commit 2042b23086
1 changed files with 5 additions and 5 deletions
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gb.v
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@@ -176,11 +176,11 @@ wire irq_ack = !cpu_iorq_n && !cpu_m1_n;
// irq vector
wire [7:0] irq_vec =
if_r[0]?8'h40: // vsync
if_r[1]?8'h48: // lcdc
if_r[2]?8'h50: // timer
if_r[3]?8'h58: // serial
if_r[4]?8'h60: // input
if_r[0]&&ie_r[0]?8'h40: // vsync
if_r[1]&&ie_r[1]?8'h48: // lcdc
if_r[2]&&ie_r[2]?8'h50: // timer
if_r[3]&&ie_r[3]?8'h58: // serial
if_r[4]&&ie_r[4]?8'h60: // input
8'h55;
wire vs = (lcd_mode == 2'b01);