 Ernest Wong
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a218381dc7
Implement page high-byte EISA ports/registers (DMA)
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7 years ago |
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Ernest Wong
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34d60d42bc
Add debug logs when not enough audio (sb16)
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7 years ago |
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Ernest Wong
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ec99ca3d47
Immediately transfer first block (sb16)
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7 years ago |
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Ernest Wong
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0c05905ced
Fix: dma should read number of bytes, not count
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7 years ago |
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Ernest Wong
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215bc2528e
Add debug logs for irq (sb16)
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7 years ago |
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Ernest Wong
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9f75c81e00
Wrap DMA channel count after incrementing
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7 years ago |
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Ernest Wong
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7581a4af5b
DMA auto should wrap around. Use Uint16 counters
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7 years ago |
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Ernest Wong
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c57e31eeea
SB16 should fetch more audio before it runs out
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7 years ago |
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Ernest Wong
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7733452fa8
Implement DMA autoinit mode
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7 years ago |
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Ernest Wong
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43bc6836fc
Implement basic sampling rate conversion (sb16)
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7 years ago |
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Ernest Wong
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b868e48283
Transfer dma data in small, timed, chunks (sb16)
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7 years ago |
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Ernest Wong
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ff646aac6c
Fix: sb16 debug log: missing log level
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7 years ago |
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Ernest Wong
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0a499bd089
Fix: dma singlemask_write check bit 2 not 3
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7 years ago |
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Ernest Wong
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6ada19b5b5
Fix: dma channel count, misplaced '+1'
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7 years ago |
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Ernest Wong
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2b2a6d6d3d
Handle DMA register reads
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7 years ago |
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Ernest Wong
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eb86f205de
Use ArrayBuffer views (sb16)
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7 years ago |
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Ernest Wong
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03071edbb7
Fix: bedmas with DMA channel mask and offsets
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7 years ago |
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Ernest Wong
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bbf63910a0
Remove itself after unmask event (sb16 transfer)
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7 years ago |
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Ernest Wong
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3936d75e3a
Handle DMA 16bit channels with 8-bit do_read/write
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7 years ago |
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Ernest Wong
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e91c7868d0
Use typed arrays for casting (un)signed 8/16bit
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7 years ago |
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Ernest Wong
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3275fcb12d
Handle different sb16 dma modes properly
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7 years ago |
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Ernest Wong
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ef02bafa6f
Fix: DMA channel selection using first two bits
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7 years ago |
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Ernest Wong
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e44f44be93
Use 1024-byte buffer for speaker script processor
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7 years ago |
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Ernest Wong
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7cf9103bf2
Use 64Kb for sb16 DMA buffer size
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7 years ago |
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Ernest Wong
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6fe4796415
Re-enable dma page and mask io handlers
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7 years ago |
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Ernest Wong
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12143e4eb5
Relocate @suppress from sb16.js to speaker.js
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7 years ago |
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Ernest Wong
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9c5d1c7a23
Fix: this->sb16 closures and whitespace
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7 years ago |
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Ernest Wong
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5e5c8727c3
Handle sb16 mpu reset and status io ports
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7 years ago |
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Ernest Wong
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d88eef0d39
Fix: sb16 asp get register should use read_buffer
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7 years ago |
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Ernest Wong
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e8ddd7cbba
Fix: sb16 asp set/get should use write_buffer
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7 years ago |
