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MCB dump routine: Show PSP segment and update code to support --boothax msdos if DOSBox-X DOS kernel is inactive

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Jonathan Campbell
2025-10-07 08:05:29 -07:00
parent 6ed963d9a0
commit 2059e9b439
1 changed files with 11 additions and 6 deletions
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17
src/dos/dos_memory.cpp
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@@ -41,23 +41,28 @@ uint16_t first_umb_size = 0x2000;
static uint16_t memAllocStrategy = 0x00; static uint16_t memAllocStrategy = 0x00;
static void DOS_Mem_MCBdump(void) { void DOS_Mem_MCBdump(void) {
uint16_t mcb_segment=dos.firstMCB; uint16_t mcb_segment=dos_kernel_disabled ? guest_msdos_mcb_chain : dos.firstMCB;
DOS_MCB mcb(mcb_segment); DOS_MCB mcb(mcb_segment);
DOS_MCB mcb_next(0); DOS_MCB mcb_next(0);
Bitu counter=0; Bitu counter=0;
char name[10]; char name[10];
char c; char c;
if (mcb_segment == 0) return;
LOG_MSG("DOS MCB dump:\n"); LOG_MSG("DOS MCB dump:\n");
while ((c=(char)mcb.GetType()) != 'Z') { while ((c=(char)mcb.GetType()) != 'Z') {
if (counter++ > 10000) break; if (counter++ > 10000) break;
if (c != 'M') break; if (c != 'M') break;
mcb.GetFileName(name); mcb.GetFileName(name);
LOG_MSG(" Type=0x%02x(%c) Seg=0x%04x size=0x%04x name='%s'\n", LOG_MSG(" Type=0x%02x(%c) Seg=0x%04x size=0x%04x PSP=0x%04x name='%s'\n",
mcb.GetType(),c, mcb.GetType(),c,
mcb_segment+1,mcb.GetSize(),name); mcb_segment+1,
mcb.GetSize(),
mcb.GetPSPSeg(),
name);
mcb_next.SetPt((uint16_t)(mcb_segment+mcb.GetSize()+1)); mcb_next.SetPt((uint16_t)(mcb_segment+mcb.GetSize()+1));
mcb_segment+=mcb.GetSize()+1; mcb_segment+=mcb.GetSize()+1;
mcb.SetPt(mcb_segment); mcb.SetPt(mcb_segment);
@@ -65,8 +70,8 @@ static void DOS_Mem_MCBdump(void) {
mcb.GetFileName(name); mcb.GetFileName(name);
c = (char)mcb.GetType(); if (c < 32) c = '.'; c = (char)mcb.GetType(); if (c < 32) c = '.';
LOG_MSG("FINAL: Type=0x%02x(%c) Seg=0x%04x size=0x%04x name='%s'\n", LOG_MSG("FINAL: Type=0x%02x(%c) Seg=0x%04x size=0x%04x PSP=0x%04x name='%s'\n",
mcb.GetType(),c,mcb_segment+1,mcb.GetSize(),name); mcb.GetType(),c,mcb_segment+1,mcb.GetSize(),mcb.GetPSPSeg(),name);
LOG_MSG("End dump\n"); LOG_MSG("End dump\n");
} }