Merge pull request #1756 from Ompronce/master
Added alternate Tandy PSSJ I/O port at 1E0h (used in Tandy 1000 RSX), as well restoring the SN76489 to the IBM PCjr.
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@@ -859,8 +859,8 @@ machine_pcjr_init(const machine_t *model)
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keyboard_set_table(scancode_xt);
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keyboard_send = kbd_adddata_ex;
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/* Technically it's the SN76496N, but the NCR 8496 is a drop-in replacement for it. */
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device_add(&ncr8496_device);
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/* Technically it's the SN76496N, but the SN76489 is identical to the SN76496N. */
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device_add(&sn76489_device);
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nmi_mask = 0x80;
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@@ -201,6 +201,20 @@ void *pssj_init(const device_t *info)
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return pssj;
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}
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void *pssj_1e0_init(const device_t *info)
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{
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pssj_t *pssj = malloc(sizeof(pssj_t));
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memset(pssj, 0, sizeof(pssj_t));
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sn76489_init(&pssj->sn76489, 0x01e0, 0x0004, PSSJ, 3579545);
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io_sethandler(0x01E4, 0x0004, pssj_read, NULL, NULL, pssj_write, NULL, NULL, pssj);
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timer_add(&pssj->timer_count, pssj_callback, pssj, pssj->enable);
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sound_add_handler(pssj_get_buffer, pssj);
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return pssj;
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}
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void pssj_close(void *p)
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{
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pssj_t *pssj = (pssj_t *)p;
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@@ -219,3 +233,15 @@ const device_t pssj_device =
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NULL,
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NULL
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};
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const device_t pssj_1e0_device =
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{
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"Tandy PSSJ (port 1e0h)",
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0, 0,
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pssj_1e0_init,
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pssj_close,
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NULL,
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{ NULL },
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NULL,
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NULL
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};
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