split microcode tasks to its own file
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82
main.asm
82
main.asm
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@ -154,89 +154,9 @@ if HICOLOR {
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jr ra
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nop
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PushVideoTask:
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// a0: Task RDRAM Pointer (size: 0x40) (should probably be row-aligned)
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subiu sp, sp, 0x18
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sw ra, 0x10(sp)
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lli t0, 1 // mode: video
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lli t1, TASK_DP_WAIT // flags
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li t2, UCODE_BOOT // does not need masking (not actually used?)
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li t3, UCODE_BOOT.size
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li t4, F3DZEX_IMEM & ADDR_MASK
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li t5, F3DZEX_IMEM.size
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li t6, F3DZEX_DMEM & ADDR_MASK
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li t7, F3DZEX_DMEM.size
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sw t0, 0x00(a0)
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sw t1, 0x04(a0)
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sw t2, 0x08(a0)
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sw t3, 0x0C(a0)
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sw t4, 0x10(a0)
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sw t5, 0x14(a0)
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sw t6, 0x18(a0)
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sw t7, 0x1C(a0)
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li t0, VIDEO_STACK & ADDR_MASK // used for DList calls and returns?
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li t1, VIDEO_STACK_SIZE
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li t2, VIDEO_OUTPUT & ADDR_MASK
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// most commercial games re-use the yield pointer, so i assume it's fine:
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li t3, VIDEO_YIELD & ADDR_MASK // stores output buffer size
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li t4, ((MAIN_BASE << 16) | MAIN_DLIST_JUMPER) & ADDR_MASK // initial DList
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lli t5, 8 // size of one jump command. this is ignored and 0xA8 is used instead
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li t6, VIDEO_YIELD & ADDR_MASK
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li t7, VIDEO_YIELD_SIZE
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sw t0, 0x20(a0)
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sw t1, 0x24(a0)
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sw t2, 0x28(a0)
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sw t3, 0x2C(a0)
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sw t4, 0x30(a0)
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sw t5, 0x34(a0)
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sw t6, 0x38(a0)
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sw t7, 0x3C(a0)
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// tell data cache to write itself out
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cache 0x19, 0x00(a0)
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cache 0x19, 0x10(a0)
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cache 0x19, 0x20(a0)
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cache 0x19, 0x30(a0)
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li t9, ADDR_MASK
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jal PushRSPTask
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and a0, a0, t9
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lw ra, 0x10(sp)
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jr ra
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addiu sp, sp, 0x18
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PushRSPTask:
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lli t3, 0x40 - 1 // DMA quirk
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or t4, a0, r0
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SP_DMA_WAIT() // clobbers t0, a0
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la t1, 0xA4000FC0
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sw t1, SP_MEM_ADDR(a0)
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sw t4, SP_DRAM_ADDR(a0)
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sw t3, SP_RD_LEN(a0) // pull data from RDRAM into DMEM/IMEM
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jr ra
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nop
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LoadRSPBoot:
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la t2, UCODE_BOOT & ADDR_MASK
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li t3, UCODE_BOOT.size
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subiu t3, t3, 1 // DMA quirk
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SP_DMA_WAIT() // clobbers t0, a0
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la t1, 0xA4001000
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sw t1, SP_MEM_ADDR(a0)
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sw t2, SP_DRAM_ADDR(a0)
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sw t3, SP_RD_LEN(a0) // pull data from RDRAM into DMEM/IMEM
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jr ra
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nop
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include "lzss.baku.unsafe.asm"
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include "dlist.asm"
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align(16); insert UCODE_BOOT, "bin/common.boot.bin"
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align(16); insert F3DZEX_IMEM, "bin/F3DZEX2.bin"
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align(16); insert F3DZEX_DMEM, "bin/F3DZEX2.data.bin"
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include "task.asm"
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//align(16); insert FONT, "res/dwarf.1bpp"
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//align(16); insert LZ_BAKU, "res/Image.baku.lzss"
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80
task.asm
Normal file
80
task.asm
Normal file
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@ -0,0 +1,80 @@
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PushVideoTask:
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// a0: Task RDRAM Pointer (size: 0x40) (should probably be row-aligned)
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subiu sp, sp, 0x18
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sw ra, 0x10(sp)
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lli t0, 1 // mode: video
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lli t1, TASK_DP_WAIT // flags
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li t2, UCODE_BOOT // does not need masking (not actually used?)
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li t3, UCODE_BOOT.size
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li t4, F3DZEX_IMEM & ADDR_MASK
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li t5, F3DZEX_IMEM.size
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li t6, F3DZEX_DMEM & ADDR_MASK
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li t7, F3DZEX_DMEM.size
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sw t0, 0x00(a0)
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sw t1, 0x04(a0)
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sw t2, 0x08(a0)
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sw t3, 0x0C(a0)
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sw t4, 0x10(a0)
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sw t5, 0x14(a0)
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sw t6, 0x18(a0)
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sw t7, 0x1C(a0)
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li t0, VIDEO_STACK & ADDR_MASK // used for DList calls and returns?
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li t1, VIDEO_STACK_SIZE
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li t2, VIDEO_OUTPUT & ADDR_MASK
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// most commercial games re-use the yield pointer, so i assume it's fine:
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li t3, VIDEO_YIELD & ADDR_MASK // stores output buffer size
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li t4, ((MAIN_BASE << 16) | MAIN_DLIST_JUMPER) & ADDR_MASK // initial DList
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lli t5, 8 // size of one jump command. this is ignored and 0xA8 is used instead
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li t6, VIDEO_YIELD & ADDR_MASK
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li t7, VIDEO_YIELD_SIZE
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sw t0, 0x20(a0)
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sw t1, 0x24(a0)
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sw t2, 0x28(a0)
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sw t3, 0x2C(a0)
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sw t4, 0x30(a0)
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sw t5, 0x34(a0)
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sw t6, 0x38(a0)
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sw t7, 0x3C(a0)
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// tell data cache to write itself out
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cache 0x19, 0x00(a0)
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cache 0x19, 0x10(a0)
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cache 0x19, 0x20(a0)
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cache 0x19, 0x30(a0)
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li t9, ADDR_MASK
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jal PushRSPTask
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and a0, a0, t9
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lw ra, 0x10(sp)
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jr ra
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addiu sp, sp, 0x18
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PushRSPTask:
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lli t3, 0x40 - 1 // DMA quirk
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or t4, a0, r0
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SP_DMA_WAIT() // clobbers t0, a0
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la t1, 0xA4000FC0
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sw t1, SP_MEM_ADDR(a0)
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sw t4, SP_DRAM_ADDR(a0)
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sw t3, SP_RD_LEN(a0) // pull data from RDRAM into DMEM/IMEM
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jr ra
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nop
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LoadRSPBoot:
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la t2, UCODE_BOOT & ADDR_MASK
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li t3, UCODE_BOOT.size
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subiu t3, t3, 1 // DMA quirk
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SP_DMA_WAIT() // clobbers t0, a0
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la t1, 0xA4001000
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sw t1, SP_MEM_ADDR(a0)
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sw t2, SP_DRAM_ADDR(a0)
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sw t3, SP_RD_LEN(a0) // pull data from RDRAM into DMEM/IMEM
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jr ra
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nop
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align(16); insert UCODE_BOOT, "bin/common.boot.bin"
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align(16); insert F3DZEX_IMEM, "bin/F3DZEX2.bin"
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align(16); insert F3DZEX_DMEM, "bin/F3DZEX2.data.bin"
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