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3B2: Support 4M RAM config on 3B2/700

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This commit is contained in:
Seth Morabito
2025-07-25 10:20:29 -07:00
committed by Paul Koning
parent 3e0214aed0
commit 9fc0751c74
2 changed files with 8 additions and 0 deletions
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2
3B2/3b2_cpu.c
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@@ -367,6 +367,8 @@ MTAB cpu_mod[] = {
&cpu_set_size, NULL, NULL, "Set Memory to 4M bytes" },
#endif
#if defined(REV3)
{ UNIT_MSIZE, (1u << 22), NULL, "4M",
&cpu_set_size, NULL, NULL, "Set Memory to 4M bytes" },
{ UNIT_MSIZE, (1u << 23), NULL, "8M",
&cpu_set_size, NULL, NULL, "Set Memory to 8M bytes" },
{ UNIT_MSIZE, (1u << 24), NULL, "16M",

6
3B2/3b2_stddev.c
View File

@@ -741,6 +741,12 @@ DEVICE flt_dev = {
*/
static uint32 mem_size(uint8 slot) {
switch(MEM_SIZE) {
case MSIZ_4M:
if (slot == 0) {
return MEM_EQP|MEM_4M;
} else {
return 0;
}
case MSIZ_8M:
if (slot <= 1) {
return MEM_EQP|MEM_4M;