claunia/VARCem
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Made the Toshiba's T1000 ROM DOS configurable.

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Removed all xxx_get_dev() calls, and published the actual device_t's instead.
(first step to making all machines a device)
This commit is contained in:
waltje
2018-04-04 02:08:46 -04:00
parent c4e11354d5
commit 30b6ac523e
10 changed files with 190 additions and 219 deletions
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25
src/mem.c
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@@ -12,7 +12,7 @@
* the DYNAMIC_TABLES=1 enables this. Will eventually go
* away, either way...
*
* Version: @(#)mem.c 1.0.11 2018/03/30
* Version: @(#)mem.c 1.0.12 2018/04/03
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
@@ -142,11 +142,7 @@ static mem_mapping_t base_mapping;
static mem_mapping_t ram_remapped_mapping;
static mem_mapping_t ram_split_mapping;
#if FIXME
static uint8_t ff_array[0x1000];
#else
static uint8_t ff_pccache[4] = { 0xff, 0xff, 0xff, 0xff };
#endif
static int port_92_reg = 0;
@@ -483,11 +479,7 @@ getpccache(uint32_t a)
pclog("Bad getpccache %08X\n", a);
#if 0
return &ff_array[0-(uintptr_t)(a2 & ~0xfff)];
#else
return (uint8_t *)&ff_pccache;
#endif
}
@@ -1618,12 +1610,10 @@ pclog("MEM: reset: previous pages=%08lx, pages_sz=%i\n", pages, pages_sz);
pages_sz = m;
free(pages);
pages = (page_t *)malloc(m*sizeof(page_t));
memset(pages, 0x00, m*sizeof(page_t));
memset(pages, 0x00, m*sizeof(page_t));
#if DYNAMIC_TABLES
pclog("MEM: reset: new pages=%08lx, pages_sz=%i\n", pages, pages_sz);
#endif
#if DYNAMIC_TABLES
/* Allocate the (new) lookup tables. */
if (page_lookup != NULL) free(page_lookup);
page_lookup = (page_t **)malloc(pages_sz*sizeof(page_t *));
@@ -1731,6 +1721,7 @@ mem_init(void)
/* Perform a one-time init. */
ram = rom = NULL;
pages = NULL;
pages_sz = 0;
#if DYNAMIC_TABLES
page_lookup = NULL;
readlookup2 = NULL;
@@ -1747,10 +1738,6 @@ mem_init(void)
memset(ram_mapped_addr, 0x00, 64 * sizeof(uint32_t));
#if FIXME
memset(ff_array, 0xff, sizeof(ff_array));
#endif
/* Reset the memory state. */
mem_reset();
}
@@ -1806,8 +1793,10 @@ mem_reset_page_blocks(void)
pages[c].write_b = mem_write_ramb_page;
pages[c].write_w = mem_write_ramw_page;
pages[c].write_l = mem_write_raml_page;
pages[c].block[0] = pages[c].block[1] = pages[c].block[2] = pages[c].block[3] = NULL;
pages[c].block_2[0] = pages[c].block_2[1] = pages[c].block_2[2] = pages[c].block_2[3] = NULL;
pages[c].block[0] = pages[c].block[1] =
pages[c].block[2] = pages[c].block[3] = NULL;
pages[c].block_2[0] = pages[c].block_2[1] =
pages[c].block_2[2] = pages[c].block_2[3] = NULL;
}
}