homebrew/inc/main.inc

55 lines
1.7 KiB
C++

// settings:
constant K_DEBUG(0) // slows down interrupt handling to enable debug routines
constant HIRES(1)
constant HICOLOR(1)
constant MAIN_DECOMP_IMAGE(HIRES & HICOLOR)
constant MAIN_BASE(0x800E)
constant MAIN_COUNTS(0x0010)
constant MAIN_SP_TASK(0x0040)
constant MAIN_XXD(0x0080)
constant MAIN_DLIST(0x1000)
constant MAIN_DLIST_SIZE(0xF000)
constant MAIN_DLIST_JUMPER(MAIN_DLIST - 0xA8)
if HIRES {
constant WIDTH(640)
constant HEIGHT(480)
} else {
constant WIDTH(320)
constant HEIGHT(240)
}
if HICOLOR {
constant VIDEO_MODE(BPP32 | INTERLACE | AA_MODE_2)
} else {
// constant VIDEO_MODE(BPP16 | AA_MODE_2)
constant VIDEO_MODE(BPP16 | GAMMA_EN | GAMMA_DITHER_EN | AA_MODE_1 | DIVOT_EN | PIXEL_ADV_3)
}
constant TASK_YIELDED(0x0001)
constant TASK_DP_WAIT(0x0002)
constant TASK_LOADABLE(0x0004)
constant TASK_SP_ONLY(0x0008)
constant VIDEO_C_IMAGE_SIZE(WIDTH * HEIGHT * (HICOLOR * 2 + 2))
constant VIDEO_Z_IMAGE_SIZE(WIDTH * HEIGHT * 2)
constant VIDEO_OUTPUT_SIZE(0x18000) // technically a buffer?
constant VIDEO_STACK_SIZE(0x8000) // used for dlist calls, pushing matrices, etc?
constant VIDEO_YIELD_SIZE(0x1000) // stores and restores DMEM.
// NOTE: these should be row-aligned to avoid caching issues and DMA issues.
constant VIDEO_END(0x80400000)
constant VIDEO_C_IMAGE(VIDEO_END - VIDEO_C_IMAGE_SIZE)
constant VIDEO_C_IMAGE_ALT(VIDEO_C_IMAGE - VIDEO_C_IMAGE_SIZE)
constant VIDEO_Z_IMAGE(VIDEO_C_IMAGE_ALT - VIDEO_Z_IMAGE_SIZE)
constant VIDEO_OUTPUT(VIDEO_Z_IMAGE - VIDEO_OUTPUT_SIZE)
constant VIDEO_STACK(VIDEO_OUTPUT - VIDEO_STACK_SIZE)
constant VIDEO_YIELD(VIDEO_STACK - VIDEO_YIELD_SIZE)
constant VIDEO_START(VIDEO_YIELD)
if VIDEO_START < (MAIN_BASE << 16) + 0x10000 {
error "ran out of memory for video"
}