★ HARDWARE Manual ★ SCSP User's Manual
▲ Back ｜ Forward ▼
SCSP User's Manual / 4.1 Register Map

■ DSP control register

The DSP control register defines the interface area of the DSP installed in the SCSP.

Table 4.5 DSP control register
address
 MSB
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 -3-
 -2-
 -1-
 LSB
100700h COEF REG "COEF [12: 0]" 0 0 0
100702h COEF REG "COEF [12: 0]" 0 0 0
:: :: :: :: ::
10077Eh COEF REG "COEF [12: 0]" 0 0 0
100780h MEMORY ADDRESS REG "MADRS [16: 1]"
100782h MEMORY ADDRESS REG "MADRS [16: 1]"
:: ::
1007BEh MEMORY ADDRESS REG "MADRS [16: 1]"
:: Setting prohibited
100800h DSP microprogram (512 Word)
100C00h Buffer in DSP (370 Word)

Listing 4.4 DSP control registers

■ DSP microprogram map

Table 4.6 DSP microprogram
address
 MSB
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 LSB
100800h DSP MICRO PROGRAM (STEP_0) "MPRO [63:48]"
100802h DSP MICRO PROGRAM (STEP_0) "MPRO [47:32]"
100804h DSP MICRO PROGRAM (STEP_0) "MPRO [31:16]"
100806h DSP MICRO PROGRAM (STEP_0) "MPRO [15: 0]"
100808h DSP MICRO PROGRAM (STEP_1) "MPRO [63:48]"
:: ::
100810h DSP MICRO PROGRAM (STEP_2) "MPRO [63:48]"
:: ::
:: ::
:: ::
100BF8h DSP MICRO PROGRAM (STEP_127) "MPRO [63:48]"
100BFAh DSP MICRO PROGRAM (STEP_127) "MPRO [47:32]"
100BFCh DSP MICRO PROGRAM (STEP_127) "MPRO [31:16]"
100BFEh DSP MICRO PROGRAM (STEP_127) "MPRO [15: 0]"

List Table 4.5 DSP microprogram

■ Buffer map in DSP

Table 4.7 Buffer map in DSP
address
 MSB
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 ---
 LSB
100C00h --- --- --- --- --- --- --- --- TEMP [7: 0]
100C02h WORK BUFFER 00 TEMP [23: 8]
:: ::
100DFCh --- --- --- --- --- --- --- --- TEMP [7: 0]
100DFEh WORK BUFFER 127 TEMP [23: 8]
:: ::
100E00h --- --- --- --- --- --- --- --- MEMS [7: 0]
100E02h SOUND MEMORY 00 MEMS [23: 8]
:: ::
100E7Ch --- --- --- --- --- --- --- --- MEMS [7: 0]
100E7Eh SOUND MEMORY 31 MEMS [23: 8]
100E80h --- --- --- --- --- --- --- --- --- --- --- --- MIXS [3: 0]
100E82h MIX SOUND SLOT DATA STACK 00 MIXS [19: 4]
:: ::
100EBCh --- --- --- --- --- --- --- --- --- --- --- --- MIXS [3: 0]
100EBEh MIX SOUND SLOT DATA STACK 15 MIXS [19: 4]
100EC0h EFFECTED DATA OUTPUT 00 MIXS [15: 0]
:: ::
100EDEh EFFECTED DATA OUTPUT 15 MIXS [15: 0]
100EE0h --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
100EE2h --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---

Listing 4.6 Buffer in DSP

▲ Back ｜ Forward ▼
★ HARDWARE Manual ★ SCSP User's Manual
Copyright SEGA ENTERPRISES, LTD., 1997