flycast/core/hw/holly/holly_intc.h

88 lines
4.3 KiB
C

#pragma once
enum HollyInterruptType
{
holly_nrm = 0x0000,
holly_ext = 0x0100,
holly_err = 0x0200,
};
enum HollyInterruptID
{
// asic9a /sh4 external holly normal [internal]
holly_RENDER_DONE_vd = holly_nrm | 0, //bit 0 = End of Render interrupt : Video
holly_RENDER_DONE_isp = holly_nrm | 1, //bit 1 = End of Render interrupt : ISP
holly_RENDER_DONE = holly_nrm | 2, //bit 2 = End of Render interrupt : TSP
holly_SCANINT1 = holly_nrm | 3, //bit 3 = V Blank-in interrupt
holly_SCANINT2 = holly_nrm | 4, //bit 4 = V Blank-out interrupt
holly_HBLank = holly_nrm | 5, //bit 5 = H Blank-in interrupt
holly_YUV_DMA = holly_nrm | 6, //bit 6 = End of Transferring interrupt : YUV
holly_OPAQUE = holly_nrm | 7, //bit 7 = End of Transferring interrupt : Opaque List
holly_OPAQUEMOD = holly_nrm | 8, //bit 8 = End of Transferring interrupt : Opaque Modifier Volume List
holly_TRANS = holly_nrm | 9, //bit 9 = End of Transferring interrupt : Translucent List
holly_TRANSMOD = holly_nrm | 10, //bit 10 = End of Transferring interrupt : Translucent Modifier Volume List
holly_PVR_DMA = holly_nrm | 11, //bit 11 = End of DMA interrupt : PVR-DMA
holly_MAPLE_DMA = holly_nrm | 12, //bit 12 = End of DMA interrupt : Maple-DMA
holly_MAPLE_VBOI = holly_nrm | 13, //bit 13 = Maple V blank over interrupt
holly_GDROM_DMA = holly_nrm | 14, //bit 14 = End of DMA interrupt : GD-DMA
holly_SPU_DMA = holly_nrm | 15, //bit 15 = End of DMA interrupt : AICA-DMA
holly_EXT_DMA1 = holly_nrm | 16, //bit 16 = End of DMA interrupt : Ext-DMA1(External 1)
holly_EXT_DMA2 = holly_nrm | 17, //bit 17 = End of DMA interrupt : Ext-DMA2(External 2)
holly_DEV_DMA = holly_nrm | 18, //bit 18 = End of DMA interrupt : Dev-DMA(Development tool DMA)
holly_CH2_DMA = holly_nrm | 19, //bit 19 = End of DMA interrupt : ch2-DMA
holly_PVR_SortDMA = holly_nrm | 20, //bit 20 = End of DMA interrupt : Sort-DMA (Transferring for alpha sorting)
holly_PUNCHTHRU = holly_nrm | 21, //bit 21 = End of Transferring interrupt : Punch Through List
// asic9c/sh4 external holly external [EXTERNAL]
holly_GDROM_CMD = holly_ext | 0x00, //bit 0 = GD-ROM interrupt
holly_SPU_IRQ = holly_ext | 0x01, //bit 1 = AICA interrupt
holly_EXP_8BIT = holly_ext | 0x02, //bit 2 = Modem interrupt
holly_EXP_PCI = holly_ext | 0x03, //bit 3 = External Device interrupt
// asic9b/sh4 external holly err only error [error]
//missing quite a few ehh ?
//bit 0 = RENDER : ISP out of Cache(Buffer over flow)
//bit 1 = RENDER : Hazard Processing of Strip Buffer
holly_PRIM_NOMEM = holly_err | 0x02, //bit 2 = TA : ISP/TSP Parameter Overflow
holly_MATR_NOMEM = holly_err | 0x03, //bit 3 = TA : Object List Pointer Overflow
//bit 4 = TA : Illegal Parameter
//bit 5 = TA : FIFO Overflow
//bit 6 = PVRIF : Illegal Address set
//bit 7 = PVRIF : DMA over run
holly_MAPLE_ILLADDR = holly_err | 0x08, //bit 8 = MAPLE : Illegal Address set
holly_MAPLE_OVERRUN = holly_err | 0x09, //bit 9 = MAPLE : DMA over run
holly_MAPLE_FIFO = holly_err | 0x0a, //bit 10 = MAPLE : Write FIFO overflow
holly_MAPLE_ILLCMD = holly_err | 0x0b, //bit 11 = MAPLE : Illegal command
//bit 12 = G1 : Illegal Address set
//bit 13 = G1 : GD-DMA over run
//bit 14 = G1 : ROM/FLASH access at GD-DMA
holly_AICA_ILLADDR = holly_err | 0x0f, //bit 15 = G2 : AICA-DMA Illegal Address set
holly_EXT1_ILLADDR = holly_err | 0x10, //bit 16 = G2 : Ext-DMA1 Illegal Address set
holly_EXT2_ILLADDR = holly_err | 0x11, //bit 17 = G2 : Ext-DMA2 Illegal Address set
holly_DEV_ILLADDR = holly_err | 0x12, //bit 18 = G2 : Dev-DMA Illegal Address set
holly_AICA_OVERRUN = holly_err | 0x13, //bit 19 = G2 : AICA-DMA over run
holly_EXT1_OVERRUN = holly_err | 0x14, //bit 20 = G2 : Ext-DMA1 over run
holly_EXT2_OVERRUN = holly_err | 0x15, //bit 21 = G2 : Ext-DMA2 over run
holly_DEV_OVERRUN = holly_err | 0x16, //bit 22 = G2 : Dev-DMA over run
//bit 23 = G2 : AICA-DMA Time out
//bit 24 = G2 : Ext-DMA1 Time out
//bit 25 = G2 : Ext-DMA2 Time out
//bit 26 = G2 : Dev-DMA Time out
//bit 27 = G2 : Time out in CPU accessing
};
void asic_RaiseInterrupt(HollyInterruptID inter);
void asic_CancelInterrupt(HollyInterruptID inter);
void asic_RaiseInterruptBothCLX(HollyInterruptID inter);
//Init/Res/Term for regs
void asic_reg_Init();
void asic_reg_Term();
void asic_reg_Reset(bool hard);