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[ATARI ST]STE MFP/DMA irq bug. Fixes R-Type Deluxe demo

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This commit is contained in:
harbaum
2015-04-04 20:43:48 +00:00
parent 62855dade0
commit f5a4c13f98
2 changed files with 3 additions and 3 deletions
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4
cores/mist/mfp.v
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@@ -122,7 +122,7 @@ mfp_timer timer_a (
.DAT_O (timera_dat_o),
.DAT_WE ((addr == 5'h0f) && write),
.PULSE_MODE (pulse_mode[1]),
.T_I (t_i[0] ^ aer[4]),
.T_I (t_i[0] ^ ~aer[4]),
.T_O_PULSE (timera_done)
);
@@ -141,7 +141,7 @@ mfp_timer timer_b (
.DAT_O (timerb_dat_o),
.DAT_WE ((addr == 5'h10) && write),
.PULSE_MODE (pulse_mode[0]),
.T_I (t_i[1] ^ aer[3]),
.T_I (t_i[1] ^ ~aer[3]),
.T_O_PULSE (timerb_done)
);

2
cores/mist/mist_top.v
View File

@@ -363,7 +363,7 @@ wire mfp_io0 = (usb_redirection == 2'd2)?parallel_fifo_full:~joy0[4];
// inputs 1,2 and 6 are inputs from serial which have pullups before an inverter
wire [7:0] mfp_gpio_in = {mfp_io7, 1'b0, !dma_irq, !acia_irq, !blitter_irq, 2'b00, mfp_io0};
wire [1:0] mfp_timer_in = {st_de, ste?ste_dma_snd_xsirq_delayed:parallel_fifo_full};
wire [1:0] mfp_timer_in = {!st_de, ste?ste_dma_snd_xsirq_delayed:!parallel_fifo_full};
mfp mfp (
// cpu register interface