github
/
amiga-stuff
mirror of https://github.com/weiju/amiga-stuff
1
0
Fork 0
Code Releases Wiki Activity

refactored playfield1 to support 5 bitplanes

This commit is contained in:
Wei-ju Wu 2016-09-21 17:43:06 -07:00
parent c0d859fb88
commit e355fd3b1a
3 changed files with 1322 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
hardware/common.h
View File

@ -7,6 +7,12 @@
#define BPL1PTL 0x0e2
#define BPL2PTH 0x0e4
#define BPL2PTL 0x0e6
#define BPL3PTH 0x0e8
#define BPL3PTL 0x0ea
#define BPL4PTH 0x0ec
#define BPL4PTL 0x0ee
#define BPL5PTH 0x0f0
#define BPL5PTL 0x0f2
#define BPLCON0 0x100
#define COLOR00 0x180

1293
hardware/kingtut.h Normal file
View File

File diff suppressed because it is too large Load Diff

37
hardware/playfield1.c
View File

@ -11,16 +11,21 @@
#include "common.h"
#define NUM_BITPLANES 2
#define NUM_BITPLANES 5
#ifdef USE_PAL
#if NUM_BITPLANES == 1
#include "test320x256.h"
#define NUM_COLORS 2
#else
#elif NUM_BITPLANES == 2
#include "test320x256x2.h"
#define NUM_COLORS 4
#else
#include "kingtut.h"
#define NUM_COLORS 32
#endif
#else
#include "test320x200.h"
#endif
@ -35,17 +40,17 @@ extern struct Library *GfxBase;
// VBCC Inline assembly
void waitmouse(void) = "waitmouse:\n\tbtst\t#6,$bfe001\n\tbne\twaitmouse";
#define COLOR0 0x00a
#define COLOR1 0xfff
#define COLOR2 0xf00
#define COLOR3 0x00f
static UWORD __chip coplist[] = {
COP_MOVE(BPL1PTH, 0),
COP_MOVE(BPL1PTL, 0),
COP_MOVE(BPL2PTH, 0),
COP_MOVE(BPL2PTL, 0),
COP_MOVE(BPL3PTH, 0),
COP_MOVE(BPL3PTL, 0),
COP_MOVE(BPL4PTH, 0),
COP_MOVE(BPL4PTL, 0),
COP_MOVE(BPL5PTH, 0),
COP_MOVE(BPL5PTL, 0),
COP_WAIT_END,
COP_WAIT_END
};
@ -100,7 +105,7 @@ static BOOL init_display(UWORD lib_version)
} else {
// Note: FS-UAE reports 0 this, so essentially, there is no information
// for 1.x
printf("PAL/NTSC: %d\n", (int) ((struct ExecBase *) EXEC_BASE)->VBlankFrequency);
//printf("PAL/NTSC: %d\n", (int) ((struct ExecBase *) EXEC_BASE)->VBlankFrequency);
is_pal = ((struct ExecBase *) EXEC_BASE)->VBlankFrequency == VFREQ_PAL;
}
return is_pal;
@ -125,6 +130,7 @@ int main(int argc, char **argv)
UWORD lib_version = ((struct Library *) GfxBase)->lib_Version;
BOOL is_pal = init_display(lib_version);
ULONG pl1data = (ULONG) image_data;
ULONG pl2data = ((ULONG) &image_data[20 * NUM_RASTER_LINES]);
@ -133,8 +139,10 @@ int main(int argc, char **argv)
#if NUM_BITPLANES == 1
custom.bplcon0 = 0x1200; // use bitplane 1 = BPU 001, composite color enable
#elif NUM_BITPLANES == 2
custom.bplcon0 = 0x2200; // use bitplane 1-2 = BPU 010, composite color enable
#else
custom.bplcon0 = 0x2200; // use bitplane 1+2 = BPU 010, composite color enable
custom.bplcon0 = 0x5200; // use bitplane 1-5 = BPU 101, composite color enable
#endif
custom.bplcon1 = 0; // horizontal scroll value = 0 for all playfields
custom.bpl1mod = 0; // modulo = 0 for odd bitplanes
@ -148,10 +156,11 @@ int main(int argc, char **argv)
}
// Initialize copper list with image data address
coplist[1] = (pl1data >> 16) & 0xffff;
coplist[3] = pl1data & 0xffff;
coplist[5] = (pl2data >> 16) & 0xffff;
coplist[7] = pl2data & 0xffff;
for (int i = 0; i < NUM_BITPLANES; i++) {
ULONG addr = (ULONG) &(image_data[i * 20 * NUM_RASTER_LINES]);
coplist[i * 4 + 1] = (addr >> 16) & 0xffff;
coplist[i * 4 + 3] = addr & 0xffff;
}
// and point to the copper list
custom.cop1lc = (ULONG) coplist;