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| author | Twinaphex | 2018-04-20 19:22:21 +0200 |
|---|---|---|
| committer | GitHub | 2018-04-20 19:22:21 +0200 |
| commit | 7366cd1493a9c153ea0b5a8f0f692318d8f3b9c8 (patch) | |
| tree | 0a2ab0c5a88c62388941e456e8d7f07ef8932fd0 /src/setpcbase.s | |
| parent | 5157a7a28ec7517eee617c8c5abcee30264b44a0 (diff) | |
| download | snes9x2002-7366cd1493a9c153ea0b5a8f0f692318d8f3b9c8.tar.gz snes9x2002-7366cd1493a9c153ea0b5a8f0f692318d8f3b9c8.tar.bz2 snes9x2002-7366cd1493a9c153ea0b5a8f0f692318d8f3b9c8.zip | |
Rename setpcbase.s to setpcbase.S
Diffstat (limited to 'src/setpcbase.s')
| -rw-r--r-- | src/setpcbase.s | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/src/setpcbase.s b/src/setpcbase.s deleted file mode 100644 index 6f965ae..0000000 --- a/src/setpcbase.s +++ /dev/null @@ -1,85 +0,0 @@ -asm_S9xSetPCBase: - .file 1 "os9x_asm_cpu.cpp" - .loc 1 16 0 - @ args = 0, pretend = 0, frame = 0 - @ frame_needed = 0, uses_anonymous_args = 0 - - - MOV R1,R0,LSR #MEMMAP_SHIFT - @ MEMMAP_SHIFT is 12, Address is 0xFFFFFFFF at max, so - @ R1 is maxed by 0x000FFFFF, MEMMAP_MASK is 0x1000-1=0xFFF - @ so AND MEMMAP_MASK is BIC 0xFF000 - BIC R1,R1,#0xFF000 - bic r0, r0, #0xff0000 - - @ R2 <= Map[block] (GetAddress) - LDR R2,[reg_cpu_var,#Map_ofs] - - LDR R2,[R2,R1,LSL #2] - CMP R2,#MAP_LAST - BLO SPCSpecial @ special - - mov regpcbase, r2 - add rpc, r2, r0 - str rpc, [reg_cpu_var, #PC_ofs] - str regpcbase, [reg_cpu_var, #PCBase_ofs] - - bx r3 - - -SPCSpecial: - - LDR PC,[PC,R2,LSL #2] - MOV R0,R0 @ nop, for align - - .long SPC_PPU - .long SPCDefault - .long SPCDefault - .long SPCDefault - .long SPCDefault - .long SPCDefault - .long SPCDefault - .long SPCDefault - .long SPCDefault - .long SPCDefault - .long SPCDefault - .long SPCDefault -/* - MAP_PPU 0 - MAP_CPU 1 - MAP_DSP 2 - MAP_LOROM_SRAM 3 - MAP_HIROM_SRAM 4 - MAP_NONE 5 - MAP_DEBUG 6 - MAP_C4 7 - MAP_BWRAM 8 - MAP_BWRAM_BITMAP 9 - MAP_BWRAM_BITMAP2 10 - MAP_SA1RAM 11 - MAP_LAST 12 -*/ - -vMemory: - .word Memory -.equ _fillram, 20 - -SPC_PPU: - @CPU.PCBase = Memory.FillRAM - 0x2000; - @CPU.PC = CPU.PCBase + (Address & 0xffff); - - ldr r1, vMemory - ldr r2, [r1, #_fillram] - sub r2, r2, #0x2000 - - mov regpcbase, r2 - add rpc, r2, r0 - str rpc, [reg_cpu_var, #PC_ofs] - str regpcbase, [reg_cpu_var, #PCBase_ofs] - - @return; - bx r3 - @------------------- - -SPCDefault: - bx r3 |