Commit 306da800 authored by Tristan Gingold's avatar Tristan Gingold

VME_IRQ_Controller: formatting.

parent 03b1ca39
...@@ -68,27 +68,27 @@ ...@@ -68,27 +68,27 @@
-- --
-- Time constraint n° 35: -- Time constraint n° 35:
-- --
-- Clk _____ _____ _____ _____ _____ _____ -- Clk ____ ____ ____ ____ ____ ____
-- _____| |_____| |_____| |_____| |_____| |_____| |_____ -- _____| |____| |____| |____| |____| |____| |_____
-- --
-- VME_AS1_n_i ____________________________________________________________________ -- VME_AS1_n_i __________________________________________________________
-- ________| -- _______|
-- --
-- VME_AS_n_i ___________________________________ -- VME_AS_n_i ______________________________
-- _________________________________________| -- ___________________________________|
-- --
-- s_AS_RisingEdge ___________ -- s_AS_RisingEge _________
-- _____________________________________________________| |___________ -- _____________________________________________| |__________
-- --
-- s_IACKOUT ____________________________________________________________________ -- s_IACKOUT __________________________________________________________
-- ________| -- _______|
-- --
-- VME_IACKOUT_o ____________________________________________________________________ -- VME_IACKOUT_ __________________________________________________________
-- ________| -- _______|
-- --
-- _________________________________________________________________ __________ -- _______________________________________________________ _________
-- IACKOUT 1/2 \/ IDLE/IRQ -- IACKOUT 1/2 \/ IDLE/IRQ
-- _________________________________________________________________/\__________ -- _______________________________________________________/\_________
-- --
-- To respect the time constraint indicated with the number 35 fig. 55 pag. 183 -- To respect the time constraint indicated with the number 35 fig. 55 pag. 183
-- in the "VMEbus Specification" ANSI/IEEE STD1014-1987, is necessary to -- in the "VMEbus Specification" ANSI/IEEE STD1014-1987, is necessary to
...@@ -254,6 +254,8 @@ begin ...@@ -254,6 +254,8 @@ begin
if INT_Req_i = '1' and retry_mask = '1' then if INT_Req_i = '1' and retry_mask = '1' then
if VME_IACKIN_n_i /= '0' then if VME_IACKIN_n_i /= '0' then
-- FIXME: what if INT_Level_i is 0 (irq won't be visible and
-- thus never acked) ?
state <= IRQ; state <= IRQ;
VME_IRQ_n_o <= f_select_irq_line(INT_Level_i); VME_IRQ_n_o <= f_select_irq_line(INT_Level_i);
else else
......
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