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independent Test_PRG()/Load_PRG()

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It will be easier to disable and also better if there Save_PRG()
This commit is contained in:
Thomas Bernard
2019-11-27 23:18:11 +01:00
parent 3d36057a33
commit 6f32ff71d0
6 changed files with 131 additions and 63 deletions
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9
src/c64load.c
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@@ -154,15 +154,15 @@ static void C64_mem_write(void *context, word address, byte value)
c64->ram[address] = value;
}
int C64_LoadPrg(struct c64state * c64, const byte * prg, long prg_size, word start)
int C64_LoadPrg(struct c64state * c64, FILE * file, word start)
{
M6502 cpu;
zusize cycles = 0;
zusize next_rasterline = 63;
int i, count = 0;
byte screen_min = 255;
int prg_size;
GFX2_Log(GFX2_DEBUG, "C64_LoadPrg(%p, %ld, $%04x)\n", prg, prg_size, start);
if (c64->ram == NULL)
{
c64->ram = GFX2_malloc(65536);
@@ -170,6 +170,10 @@ int C64_LoadPrg(struct c64state * c64, const byte * prg, long prg_size, word sta
return 0;
}
memset(c64->ram, 0, 65536);
prg_size = fread(c64->ram + 0x801, 1, 38911, file);
GFX2_Log(GFX2_DEBUG, "C64_LoadPrg(%d, $%04x)\n", prg_size, start);
if (prg_size < 0)
return 0;
c64->ram[0x00] = 0x2F;
c64->ram[0x01] = 0x37;
c64->ram[0x2B] = 0x01;
@@ -199,7 +203,6 @@ int C64_LoadPrg(struct c64state * c64, const byte * prg, long prg_size, word sta
c64->ram[0xd02d] = 0xF7;
c64->ram[0xd02e] = 0xFC;
c64->ram[0xdd00] = 0x97;
memcpy(c64->ram + 0x801, prg + 2, prg_size - 2);
c64->cpu = &cpu;
memset(&cpu, 0, sizeof(cpu));