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NEAT: More fixes, NEAT machines now POST again.

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This commit is contained in:
OBattler 2025-01-18 00:45:55 +01:00
parent 87aa6c94e8
commit 5e12d46f32
1 changed files with 12 additions and 2 deletions
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14
src/chipset/neat.c
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@ -239,7 +239,7 @@ typedef struct neat_t {
ram_page_t shadow[32]; /* Shadow RAM pages */
} neat_t;
static uint8_t defaults[16] = { 0x0a, 0x45, 0xfc, 0x00, 0x00, 0x7f, 0x00, 0x00,
static uint8_t defaults[16] = { 0x0a, 0x45, 0xfc, 0x00, 0x00, 0xfe, 0x00, 0x00,
0x00, 0x00, 0xa0, 0x63, 0x10, 0x00, 0x00, 0x12 };
static uint8_t masks[4] = { RB10_P0EXT, RB10_P1EXT, RB10_P2EXT, RB10_P3EXT };
@ -924,6 +924,16 @@ neat_init(UNUSED(const device_t *info))
mem_mapping_disable(&ram_mid_mapping);
for (int i = 0; i < 24; i++) {
if (i >= 20)
neat_mem_update_state(dev, 0x000a0000 + (i * EMS_PGSIZE), EMS_PGSIZE, MEM_FLAG_ROMCS, MEM_FMASK_SHADOW);
else {
/* This is needed to actually trigger an update. */
dev->mem_flags[i + 8] = MEM_FLAG_ROMCS;
neat_mem_update_state(dev, 0x000a0000 + (i * EMS_PGSIZE), EMS_PGSIZE, 0x00, MEM_FMASK_SHADOW);
}
}
/*
* For each supported page (we can have a maximum of 4),
* create, initialize and disable the mappings, and set
@ -1096,7 +1106,7 @@ neat_init(UNUSED(const device_t *info))
neat_log("NEAT: **INVALID DRAM SIZE %iKB !**\n", mem_size);
}
if (dram_mode > 0) {
neat_log("NEAT: using DRAM mode #%i (mem=%iKB)\n", i, mem_size);
neat_log("NEAT: using DRAM mode #%i (mem=%iKB)\n", dram_mode, mem_size);
}
/* Set up an I/O handler for the chipset. */