| 125 | } |
| 126 | |
| 127 | static void __VIRetraceHandler(__OSInterrupt interrupt, OSContext* context) |
| 128 | { |
| 129 | OSContext exceptionContext; |
| 130 | u16 viReg; |
| 131 | u32 inter = 0; |
| 132 | |
| 133 | viReg = __VIRegs[VI_DISP_INT_0]; |
| 134 | if (viReg & 0x8000) |
| 135 | { |
| 136 | __VIRegs[VI_DISP_INT_0] = (u16)(viReg & ~0x8000); |
| 137 | inter |= 1; |
| 138 | } |
| 139 | |
| 140 | viReg = __VIRegs[VI_DISP_INT_1]; |
| 141 | if (viReg & 0x8000) |
| 142 | { |
| 143 | __VIRegs[VI_DISP_INT_1] = (u16)(viReg & ~0x8000); |
| 144 | inter |= 2; |
| 145 | } |
| 146 | |
| 147 | viReg = __VIRegs[VI_DISP_INT_2]; |
| 148 | if (viReg & 0x8000) |
| 149 | { |
| 150 | __VIRegs[VI_DISP_INT_2] = (u16)(viReg & ~0x8000); |
| 151 | inter |= 4; |
| 152 | } |
| 153 | |
| 154 | viReg = __VIRegs[VI_DISP_INT_3]; |
| 155 | if (viReg & 0x8000) |
| 156 | { |
| 157 | __VIRegs[VI_DISP_INT_3] = (u16)(viReg & ~0x8000); |
| 158 | inter |= 8; |
| 159 | } |
| 160 | |
| 161 | if ((inter & 4) || (inter & 8)) |
| 162 | { |
| 163 | OSClearContext(&exceptionContext); |
| 164 | OSSetCurrentContext(&exceptionContext); |
| 165 | if (PositionCallback) |
| 166 | { |
| 167 | s16 x, y; |
| 168 | __VIGetCurrentPosition(&x, &y); |
| 169 | (*PositionCallback)(x, y); |
| 170 | } |
| 171 | OSClearContext(&exceptionContext); |
| 172 | OSSetCurrentContext(context); |
| 173 | return; |
| 174 | } |
| 175 | |
| 176 | retraceCount++; |
| 177 | |
| 178 | OSClearContext(&exceptionContext); |
| 179 | OSSetCurrentContext(&exceptionContext); |
| 180 | if (PreCB) |
| 181 | { |
| 182 | (*PreCB)(retraceCount); |
| 183 | } |
| 184 |
nothing calls this directly
no test coverage detected