From 1bd99948cbd87e354a92ad0e37abdb7103aa6dcd Mon Sep 17 00:00:00 2001
From: "Christian A. Weber" <chris@gna.ch>
Date: Sat, 27 Jun 2020 03:30:02 +0200
Subject: use kprintf(), don't own the blitter

---
 Start.c | 34 ++++++++++++++++++++--------------
 1 file changed, 20 insertions(+), 14 deletions(-)

diff --git a/Start.c b/Start.c
index 62d7527..a5c5e62 100644
--- a/Start.c
+++ b/Start.c
@@ -49,6 +49,7 @@
 #include <chlib.h>
 
 extern void exit(long);
+extern void kprintf(char *, ...);
 
 extern struct ExecBase		*SysBase;
 extern struct DosLibrary	*DOSBase;
@@ -99,7 +100,7 @@ ULONG radsize;			/* Grösse der RAD-Disk */
 ULONG radunit;			/* Unit-Nummer der RAD-Disk */
 
 UBYTE *fastbase;		/* Startadresse des FAST-RAMs für Exec */
-LONG fastsize;			/* Grösse des FAST-RAMs für Exec */
+ULONG fastsize;			/* Grösse des FAST-RAMs für Exec */
 
 UWORD dmaconsave,intenasave;
 ULONG attnflags,vblankfreq,sysbplcon0;
@@ -129,6 +130,7 @@ local void Maus(UWORD col)
 }
 #endif
 
+
 /***************************************************************************/
 /* Gerettetes CHIP-RAM zurückkopieren */
 
@@ -140,6 +142,7 @@ local void RestoreChipRAM(void)
 		memcpy(mc->Address,mc+1,mc->Size);
 }
 
+
 /***************************************************************************/
 /* Save-Buffers des CHIP-RAMs freigeben */
 
@@ -158,6 +161,7 @@ local void FreeChipRAMSaveBuffers(void)
 	printf("Saved Chip-RAM = %ld bytes.\n",size);
 }
 
+
 /***************************************************************************/
 /* Alles allozierte CHIP-RAM retten und in eine Liste eintragen */
 
@@ -190,13 +194,13 @@ local BOOL SaveChipRAM(void)
 			break;
 
 #ifdef VERBOSE
-		printf("$%06lx-$%06lx (%lu bytes)", last, last+size-1, size);
+		kprintf("$%06lx-$%06lx (%lu bytes)", last, last+size-1, size);
 #endif
 
 		if (dc = AllocMem(size + sizeof(struct Mem), MEMF_FAST))
 		{
 #ifdef VERBOSE
-			printf("\t -> $%08lx\n", dc+1);
+			kprintf("\t -> $%08lx\n", dc+1);
 #endif
 			dc->Next=NULL;
 			dc->Address=(void *)last;
@@ -211,7 +215,7 @@ local BOOL SaveChipRAM(void)
 		else
 		{
 			Enable();
-			DisownBlitter();
+			//DisownBlitter();
 			printf("Can't allocate %lu bytes FAST RAM\n",size+sizeof(struct Mem));
 			FreeChipRAMSaveBuffers();
 			return FALSE;
@@ -265,7 +269,7 @@ __saveds void ExitRoutine(ULONG D0, ULONG D1, void *A0, void *A1)
 	SetCACR(oldcacr);
 
 	WaitBlit();
-	DisownBlitter();
+	//DisownBlitter();
 	Enable();
 	RemakeDisplay();
 
@@ -359,7 +363,7 @@ radok:
 		if(*(ULONG *)radmem == FFSMAGIC)	/* 'DOS1' am Anfang ? */
 		{
 			ULONG execentry;
-			printf("RAMDrive: $%08lx (%ldK)\n",radmem,radsize>>10);
+			kprintf("RAMDrive: $%08lx (%ldK)\n",radmem,radsize>>10);
 
 			usestacktop = stacktop = (ULONG)SysBase->MaxLocMem;
 
@@ -373,7 +377,7 @@ radok:
 				}
 			}
 
-			printf("Chip RAM: $00000000 (%ldK)\n",usestacktop>>10);
+			kprintf("Chip RAM: $00000000 (%ldK)\n",usestacktop>>10);
 
 
 			if(!argv.NoFast)	/* Grössten freien FAST-RAM-Block reservieren */
@@ -381,15 +385,14 @@ radok:
 				if(fastsize = AvailMem(MEMF_FAST|MEMF_LARGEST) & ~0xff)
 				{
 					fastsize -= (stacktop-AvailMem(MEMF_CHIP)+10000);
-					if(fastsize>=10000L)
+					if((fastsize >= 10000L) && (fastbase = AllocMem(fastsize,MEMF_FAST)))
 					{
-						fastbase = AllocMem(fastsize,MEMF_FAST);
-						printf("Fast RAM: $%08lx (%ldK)\n",fastbase,fastsize>>10);
+						kprintf("Fast RAM: $%08lx (%ldK)\n",fastbase,fastsize>>10);
 					}
 					else
 					{
+						kprintf("Not enough FAST RAM available (largest: %ld)", fastsize);
 						fastsize=0;
-						Puts("Not enough FAST RAM available :-)");
 					}
 				}
 				else Puts("No FAST RAM available.");
@@ -398,7 +401,7 @@ radok:
 
 			/* AB HIER DARF IM CHIP-RAM NICHTS MEHR VERÄNDERT WERDEN */
 
-			OwnBlitter();
+			//OwnBlitter();
 			WaitBlit();
 			Disable();
 
@@ -436,7 +439,8 @@ radok:
 #endif
 			memcpy(NULL,&ExecModuleStart,&ExecModuleEnd-&ExecModuleStart);
 
-			for(execentry=0; *(ULONG *)execentry!=INITMAGIC; execentry+=2) ; /* Entry suchen */
+			for(execentry=0; *(ULONG *)execentry!=INITMAGIC; execentry+=2)	/* Entry suchen */
+				;
 			execentry += 4;
 
 			if(argv.NoSave)					/* Kein Save -> ABORT macht ColdReboot() */
@@ -459,8 +463,9 @@ radok:
 					register __a0 void *,register __a1 void *,
 					register __a2 void *,register __a3 void *);
 
-				init =(void *)execentry;
+				kprintf("\n%s: Running Exec at $%08lx ...\r\n", ident+6, execentry);
 
+				init = (void *)execentry;
 				init(	attnflags,			/* D0 */
 						sysbplcon0,			/* D1 */
 						vblankfreq,			/* D2 */
@@ -471,6 +476,7 @@ radok:
 						fastbase,			/* A2 :  FAST-Startadresse */
 						fastbase+fastsize	/* A3 :  FAST-Endadresse */
 					);
+
 				ExitRoutine();
 				/* not reached */
 			}
-- 
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